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#include<bits/stdc++.h> #define int long long using namespace std; inline int read(){ int x=0,f=1; char ch=getchar(); while(ch<'0'||ch>'9'){ if(ch=='-') f=-1; ch=getchar(); } while(ch>='0'&&ch<='9'){ x=(x<<1)+(x<<3)+(ch^48); ch=getchar(); } return x*f; } const int N=200005; int n,k; vector<int> e[N]; int vis[N],q[N],hi=1,ti,mid,up[N][20]; int get_k(int u) { for(int i=0;i<=19;i++) if(mid&(1<<i)) u=up[u][i]; return u; } void dfs(int u,int x) { // if(u==12) cout<<x<<endl; // cout<<u<<' '<<x<<endl; if(x==mid+1 || (vis[u]<=x+1 && vis[u]!=0)) return; vis[u]=x+1; for(int i=0;i<e[u].size();i++) { dfs(e[u][i],x+1); } } void get_fa(int u,int fa) { up[u][0]=fa; for(int i=1;i<=19;i++) up[u][i]=up[up[u][i-1]][i-1]; for(int i=0;i<e[u].size();i++) { if(e[u][i]!=fa) get_fa(e[u][i],u); } } bool check() { int ans=0; memset(vis,0,sizeof(vis)); for(int i=n;i>=1;i--) { if(vis[q[i]]) continue; ans++; // cout<<"g"<<get_k(q[i])<<endl; // cout<<vis[] dfs(get_k(q[i]),0); // for(int j=1;j<=n;j++) cout<<vis[] // exit(0); } if(ans<=k) return 1; else return 0; } signed main() { n=read(),k=read(); for(int i=1,u,v;i<n;i++) { u=read(),v=read(); e[u].push_back(v),e[v].push_back(u); } //求出每个点的距离 get_fa(1,1); q[++ti]=1; vis[1]=1; while(hi<=ti) { int u=q[hi++]; for(int i=0;i<e[u].size();i++) { if(!vis[e[u][i]]) q[++ti]=e[u][i],vis[e[u][i]]=1; } } // mid=1; // cout<<check()<<endl; int l=0,r=2e5; while(l<r) { mid=(l+r)>>1; if(check()) r=mid; else l=mid+1; } cout<<l<<endl; }
#include <bits/stdc++.h> #define lc (o<<1) #define rc ((o<<1)|1) #define PB push_back #define MK make_pair using namespace std; #define DebugP(x) cout << "Line" << __LINE__ << " " << #x << "=" << x << endl const int maxn = 2e5 + 5; const int modu = 998244353; // 1e9 + 7 const int inf = 0x3f3f3f3f; const double eps = 1e-5; const int dx[4] = {1, 0, -1, 0}; const int dy[4] = {0, 1, 0, -1}; typedef long long LL; void read(LL &x) { x=0;int f=0;char ch=getchar(); while(ch<'0'||ch>'9') {f|=(ch=='-');ch=getchar();} while(ch>='0'&&ch<='9'){x=(x<<1)+(x<<3)+(ch^48);ch=getchar();} x=f?-x:x; return; } void read(int &x) { LL y; read(y); x = (int)y; } void read(char &ch) { char s[3]; scanf("%s", s); ch = s[0]; } void read(char *s) { scanf("%s", s); } template<class T, class ...U> void read(T &x, U& ... u) { read(x); read(u...); } int n, k, m; int mind[maxn], f[maxn], maxd[maxn]; vector<int> g[maxn]; int dfs(int x, int fa) { mind[x] = inf; maxd[x] = 0; f[x] = 0; for (int y: g[x]) if (fa != y) { dfs(y, x); maxd[x] = max(maxd[x], maxd[y]+1); mind[x] = min(mind[x], mind[y]+1); f[x] += f[y]; } if (maxd[x] + mind[x] <= m) { maxd[x] = -1; } if (maxd[x] == m) { f[x]++; mind[x] = 0; maxd[x] = -1; } return f[x]; } int cal(int _m) { m = _m; dfs(1, 0); if (maxd[1] >= 0) return f[1]+1; else return f[1]; } int bs(int l, int r) { while (l < r) { int mid = l+r >> 1; if (cal(mid) <= k) r = mid; else l = mid+1; } return l; } int main() { // freopen("my.txt", "w", stdout); read(n, k); for (int i = 0; i < n-1; ++i) { int u, v; read(u, v); g[u].PB(v); g[v].PB(u); } printf("%d\n", bs(0, n)); return 0; }
#include <bits/stdc++.h> // New Template using namespace std; #define fo(i, n) for (i = 0; i < n; i++) #define ll long long #define si(x) scanf("%d", &x) #define sl(x) scanf("%lld", &x) #define ss(s) scanf("%s", s) #define pi(x) printf("%d\n", x) #define pl(x) printf("%lld\n", x) #define ps(s) printf("%s\n", s) #define pb push_back #define mp make_pair #define F first #define S second #define MI map<int,int> #define MC map<char,int> #define all(x) x.begin(), x.end() #define clr(x) memset(x, 0, sizeof(x)) #define sortall(x) sort(all(x)) #define tr(it, a) for (auto it = a.begin(); it != a.end(); it++) #define PI 3.1415926535897932384626 #define endl "\n" #define deb(x) cout << #x << "=" << x << "\n" #define deb2(x, y) cout << #x << "=" << x << "," << #y << "=" << y << "\n" #define deb3(x, y, z) cout << #x << "=" << x << "," << #y << "=" << y << "," << #z << "=" << z << "\n" #define deb4(x, y, z, w) cout << #x << "=" << x << "," << #y << "=" << y << "," << #z << "=" << z << "," << #w << "=" << w << "\n" #define input(arr,n) for(i=0;i<n;i++) cin>>arr[i] #define showarr(arr,n) for( i=0; i<n; i++) cout<<arr[i]<<" "; cout<<endl; typedef pair<int, int> pii; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ll> vl; typedef vector<pii> vpii; typedef vector<pl> vpl; typedef vector<vi> vvi; typedef vector<vl> vvl; mt19937_64 rang(chrono::high_resolution_clock::now().time_since_epoch().count()); const int mod = 1000000007; const int N = 3e5, M = N; //======================= vi g[N]; ll a[N]; vector<vector<int>> adj; vector<int> vis; vector<ll> all_cp; ll ma = -LLONG_MAX; void dfs(ll u) { for (ll v : adj[u]) { //deb3(u, v, a[u - 1]); all_cp[v] = min({all_cp[v], a[u - 1], all_cp[u]}); } } void solve() { int i = 0, j = 0, n, m, k, flag = 0 , ans = 0, u, v; cin >> n >> m; ll CP = LLONG_MAX; adj.resize(n + 1); vis.resize(n + 1); all_cp.resize(n + 1); input(a, n); fo(i, m) { cin >> u >> v; adj[u].pb(v); } all_cp[0] = LLONG_MAX; fo(i, n) all_cp[i + 1] = LLONG_MAX; // fo(i, n + 1) // { // cout << i << "---> "; // fo(j, adj[i].size()) // cout << adj[i][j] << " "; // cout << endl; // } for (i = 1; i <= n; i++) { dfs(i); } // fo(i, n) cout << i + 1 << " " << vis[i + 1] << " "; cout << endl; // fo(i, n) cout << i + 1 << " " << all_cp[i + 1] << " "; cout << endl; for (i = 1; i <= n; i++) { ma = max(a[i - 1] - all_cp[i], ma); } if (ma == -LLONG_MAX) cout << 0; else cout << ma; } int main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); srand(chrono::high_resolution_clock::now().time_since_epoch().count()); int t = 1; // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); //cin >> t; while (t--) { solve(); } return 0; }
#include <iostream> #include <vector> #include <array> #include <list> #include <queue> #include <stack> #include <set> #include <map> #include <unordered_map> #include <unordered_set> #include <utility> #include <string> #include <sstream> #include <algorithm> #include <random> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #include <cmath> #include <cassert> #include <climits> #include <bitset> #include <functional> #include <iomanip> #include <random> #define FOR_LT(i, beg, end) for (decltype(end) i = beg; i < end; i++) #define FOR_LE(i, beg, end) for (decltype(end) i = beg; i <= end; i++) #define FOR_DW(i, beg, end) for (decltype(beg) i = beg; end <= i; i--) #define REP(n) for (decltype(n) repeat_index = 0; repeat_index < n; repeat_index++) using namespace std; template<typename T, size_t S> T minval(const T(&vals)[S]) { T val = numeric_limits<T>::max(); FOR_LT(i, 0, S) { val = min(val, vals[i]); } return val; } template<typename T, size_t S> T maxval(const T(&vals)[S]) { T val = numeric_limits<T>::min(); FOR_LT(i, 0, S) { val = max(val, vals[i]); } return val; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(20); int n, m; cin >> n >> m; vector<int64_t> vs(n + 1); vector<int64_t> dp(n + 1, INT64_MIN); FOR_LE(i, 1, n) { cin >> vs[i]; } vector<vector<int>> es(n + 1); FOR_LT(i, 0, m) { int a, b; cin >> a >> b; es[a].push_back(b); } int64_t ans = INT64_MIN; FOR_LE(i, 1, n) { ans = max(ans, vs[i] + dp[i]); dp[i] = max(dp[i], -vs[i]); for (auto& p : es[i]) { dp[p] = max(dp[p], dp[i]); } } cout << ans << endl; return 0; }
#include "bits/stdc++.h" using namespace std; #define FAST ios_base::sync_with_stdio(false); cin.tie(0); #define pb push_back #define eb emplace_back #define ins insert #define f first #define s second #define cbr cerr<<"hi\n" #define mmst(x, v) memset((x), v, sizeof ((x))) #define siz(x) ll(x.size()) #define all(x) (x).begin(), (x).end() #define lbd(x,y) (lower_bound(all(x),y)-x.begin()) #define ubd(x,y) (upper_bound(all(x),y)-x.begin()) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); //can be used by calling rng() or shuffle(A, A+n, rng) inline long long rand(long long x, long long y) { return rng() % (y+1-x) + x; } //inclusivesss string inline to_string(char c) {string s(1,c);return s;} template<typename T> inline T gcd(T a,T b){ return a==0?llabs(b):gcd(b%a,a); } using ll=long long; using ld=long double; #define FOR(i,s,e) for(ll i=s;i<=ll(e);++i) #define DEC(i,s,e) for(ll i=s;i>=ll(e);--i) using pi=pair<ll,ll>; using spi=pair<ll,pi>; using dpi=pair<pi,pi>; #define LLINF ((long long)1e18) #define INF int(1e9+1e6) #define MAXN (106) ll n; bitset<MAXN> vis; vector<int> v[MAXN]; int main() { FAST cin>>n; FOR(i,1,n) FOR(j,1,n) { char c; cin>>c; if(c=='1') { v[i].eb(j); } } ld ans = 0; FOR(i,1,n) { ll co = 0; function<void(ll)>dfs=[&](ll x){ if(vis[x])return; vis[x]=1; for(auto i:v[x]) dfs(i); }; FOR(j,1,n) { vis.reset(); dfs(j); co += (int)vis[i]; } FOR(j,0,n-1) { if(j>n-co) break; ld p = 1; FOR(k,0,j-1) { p *= ld(n-co-k) / ld(n-k); } p *= (ld)1 / (n-j); ans += p; } } cout<<setprecision(15)<<fixed<<ans<<'\n'; }
#include<bits/stdc++.h> #define FOR(i,a,b) for(int i=(a),i##z=(b);i<=i##z;i++) #define ROF(i,a,b) for(int i=(a),i##z=(b);i>=i##z;i--) #define temT template<typename T> using namespace std; typedef double ld; const int N=int(1e2)+10; int n; char f[N][N]; ld res; void bbfs(int i){//back bfs static queue<int> que; static bool vis[N]; int tot=0; memset(vis,0,sizeof(vis)); que.push(i),vis[i]=1,tot=1; while(que.size()){ int u=que.front(); que.pop(); FOR(v,1,n) if(f[v][u]=='1' && !vis[v]) tot++,que.push(v),vis[v]=1; } res+=1.0/tot; } int main(){ scanf("%d",&n); FOR(i,1,n) scanf("%s",f[i]+1); FOR(i,1,n) bbfs(i); printf("%.15lf",res); return 0; }
#include <algorithm> #include <iomanip> #include <cassert> #include <cmath> #include <functional> #include <iostream> #include <map> #include <stack> #include <queue> #include <vector> static const int IINF = 1 << 30; static const long long LINF = 1LL << 60; static const long long MOD = 1.0e+9 + 7; template <typename T> std::vector<T> vectors(std::size_t n, T val) { return std::vector<T>(n, val); } template <typename T, typename... Args> auto vectors(std::size_t n, Args... args) { return std::vector<decltype(vectors<T>(args...))>(n, vectors<T>(args...)); } template <class T> inline bool chmin(T &a, const T &b) { return (a > b) ? a = b, true : false; } template <class T> inline bool chmax(T &a, const T &b) { return (a < b) ? a = b, true : false; } template <class T> inline void chadd(T &a, const T &b) { a += b, a %= MOD; // TODO minus case } template <class T> std::ostream &operator<<(std::ostream &stream, const std::vector<T> &vec) { for (auto val : vec) { if (std::is_fundamental<T>::value) stream << " " << val; else stream << std::endl << val; } return stream; } int main() { int A, B; std::cin >> A >> B; long long v = A * B; double ans = v / 100.0; std::cout << std::setprecision(10); std::cout << ans << std::endl; }
//ver 8.1 #include <bits/stdc++.h> using namespace std; void init() {cin.tie(0);ios::sync_with_stdio(false);cout << fixed << setprecision(15);} using ll = long long; using ld = long double; using vl = vector<ll>; using vd = vector<ld>; using vs = vector<string>; using vb = vector<bool>; using vvl = vector<vector<ll>>; using vvd = vector<vector<ld>>; using vvs = vector<vector<string>>; using vvb = vector<vector<bool>>; using pll = pair<ll,ll>; using mll = map<ll,ll>; template<class T> using V = vector<T>; template<class T> using VV = vector<vector<T>>; #define each(x,v) for(auto& x : (v)) #define reps(i,a,b) for(ll i=(ll)(a);i<(ll)(b);i++) #define rep(i,n) for(ll i=0;i<(ll)(n);i++) #define pb push_back #define eb emplace_back #define fi first #define se second #define mp make_pair const ll INF = 1LL << 60; #define CLR(mat,f) memset(mat, f, sizeof(mat)) #define IN(a, b, x) ((a)<=(x)&&(x)<=(b)) #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ) //被り削除 #define debug cout << "line : " << __LINE__ << " debug" << endl; #define ini(...) int __VA_ARGS__; in(__VA_ARGS__) #define inl(...) long long __VA_ARGS__; in(__VA_ARGS__) #define ind(...) long double __VA_ARGS__; in(__VA_ARGS__) #define ins(...) string __VA_ARGS__; in(__VA_ARGS__) #define inc(...) char __VA_ARGS__; in(__VA_ARGS__) void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);} template <typename T> void in1(T &s) {rep(i,s.size()){in(s[i]);}} template <typename T> void in2(T &s,T &t) {rep(i,s.size()){in(s[i],t[i]);}} template <typename T> void in3(T &s,T &t,T &u) {rep(i,s.size()){in(s[i],t[i],u[i]);}} template <typename T> void in4(T &s,T &t,T &u,T &v) {rep(i,s.size()){in(s[i],t[i],u[i],v[i]);}} template <typename T> void in5(T &s,T &t,T &u,T &v,T &w) {rep(i,s.size()){in(s[i],t[i],u[i],v[i],w[i]);}} void out(){cout << endl;} template <typename T,class... U> void out(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; out(u...);} void die(){cout << endl;exit(0);} template <typename T,class... U> void die(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; die(u...);} template <typename T> void outv(T s) {rep(i,s.size()){if(i!=0)cout<<" ";cout<<s[i];}cout<<endl;} template <typename T> void out1(T s) {rep(i,s.size()){out(s[i]);}} template <typename T> void out2(T s,T t) {rep(i,s.size()){out(s[i],t[i]);}} template <typename T> void out3(T s,T t,T u) {rep(i,s.size()){out(s[i],t[i],u[i]);}} template <typename T> void out4(T s,T t,T u,T v) {rep(i,s.size()){out(s[i],t[i],u[i],v[i]);}} template <typename T> void out5(T s,T t,T u,T v,T w) {rep(i,s.size()){out(s[i],t[i],u[i],v[i],w[i]);}} #define all(v) (v).begin(),(v).end() #define rall(v) (v).rbegin(),(v).rend() template <typename T> T allSum(vector<T> a){T ans=T();each(it,a)ans+=it;return ans;} template<typename T> bool inside(T a,T b){auto it=a.begin()-1;each(x,b){it=find(it+1,a.end(),x);if(it==a.end())return false;}return true;} ll ceilDiv(ll a,ll b) {return (a+b-1)/b;} ld dist(pair<ld,ld> a, pair<ld,ld> b){return sqrt(abs(a.fi-b.fi)*abs(a.fi-b.fi)+abs(a.se-b.se)*abs(a.se-b.se));} // 2点間の距離 ll gcd(ll a, ll b) { return b != 0 ? gcd(b, a % b) : a; } ll lcm(ll a,ll b){ return a / gcd(a,b) * b;} template <class A, class B> inline bool chmax(A &a, const B &b) { return b > a && (a = b, true); } template <class A, class B> inline bool chmin(A &a, const B &b) { return b < a && (a = b, true); } #define YES(n) ((n) ? "YES" : "NO" ) #define Yes(n) ((n) ? "Yes" : "No" ) #define yes(n) ((n) ? "yes" : "no" ) int main(){ init(); inl(a,b); out(a*b/100.0); return 0; }
#include <bits/stdc++.h> // #include <atcoder/all> // #include "icld.cpp" using namespace std; using ll = long long int; using vi = vector<int>; using si = set<int>; using vll = vector<ll>; using vvi = vector<vector<int>>; using ss = string; using db = double; template<typename T> using minpq = priority_queue <T,vector<T>,greater<T>>; const int dx[4] = {1,0,-1,0}; const int dy[4] = {0,1,0,-1}; #define V vector #define P pair<int,int> #define PLL pair<ll,ll> #define rep(i,s,n) for(int i=(s);i<(int)(n);i++) #define rev(i,s,n) for(int i=(s);i>=(int)(n);i--) #define reciv(v,n) vi (v)((n)); rep(i,0,(n))cin>>v[i] #define all(v) v.begin(),v.end() #define rall(v) v.rbegin(),v.rend() #define ci(x) cin >> x #define cii(x) ll x;cin >> x #define cci(x,y) ll x,y;cin >> x >> y #define co(x) cout << x << endl #define pb push_back #define eb emplace_back #define rz resize #define pu push #define sz(x) int(x.size()) #define vij v[i][j] // ll p = 1e9+7; // ll p = 998244353; // n do -> n*pi/180 #define yn cout<<"Yes"<<endl;else cout<<"No"<<endl #define YN cout<<"YES"<<endl;else cout<<"NO"<<endl template<class T>void chmax(T &x,T y){x=max(x,y);} template<class T>void chmin(T &x,T y){x=min(x,y);} int main(){ cci(h,w); vvi v(h+2,vi(w+2,-1)); rep(i,1,h+1){ rep(j,1,w+1)vij=0; } cci(n,m); vvi lt(n,vi(2)),bl(m,vi(2)); rep(i,0,n){ rep(j,0,2)ci(lt[i][j]); } rep(i,0,m){ rep(j,0,2)ci(bl[i][j]); v[bl[i][0]][bl[i][1]]=-1; } vvi tt=v,yk=v; rep(i,0,n){ int x=lt[i][0]; int y=lt[i][1]; int nx=x,ny=y; tt[x][y]=yk[x][y]=1; while(tt[nx-1][y]==0)tt[--nx][y]=1; while(yk[x][ny-1]==0)yk[x][--ny]=1; nx=x,ny=y; while(tt[nx+1][y]==0)tt[++nx][y]=1; while(yk[x][ny+1]==0)yk[x][++ny]=1; } /* rep(i,2,h+1){ rep(j,1,w+1){ if(yk[i][j]==-1)continue; chmax(yk[i][j],yk[i-1][j]); } } rep(i,2,w+1){ rep(j,1,h+1){ if(tt[j][i]==-1)continue; chmax(tt[j][i],tt[j][i-1]); } } */ int ans=0; rep(i,1,h+1){ rep(j,1,w+1){ if(yk[i][j]==1 or tt[i][j]==1){ // cout<<1<<" "; ans++; } // else if(vij==-1)cout<<'x'<<" "; // else cout<<0<<" "; } // co(""); } co(ans); }
#include <bits/stdc++.h> #define rep(i, n) for(int i=0; i < (n); ++i) #define ll long long #define pll pair<ll, ll> using namespace std; long memo[1001001][2]; vector<pll> colors; // direction -> 1 = right; 0 = left; long dp(long unsigned color, int direction){ if (color >= colors.size()) return 0; if(memo[color][direction] != -1) return memo[color][direction]; ll l = colors[color].first; ll r = colors[color].second; ll dist = r-l; ll prev_pos = direction ? colors[color-1].second: colors[color-1].first; memo[color][direction] = min( dp(color+1, 0) + abs(prev_pos - r) + dist, dp(color+1, 1) + abs(prev_pos - l) + dist ); return memo[color][direction]; } int main(){ int n; cin >> n; ll INF = LONG_LONG_MAX; vector<ll> l(n, INF); vector<ll> r(n, -INF); ll x, c; rep(i, n){ cin >> x >> c; --c; l[c] = min(l[c], x); r[c] = max(r[c], x); } colors.emplace_back(0,0); rep(i, n){ if (l[i] != INF) colors.emplace_back(l[i], r[i]); } colors.emplace_back(0,0); memset(memo, -1, sizeof(memo)); cout << dp(1, 0) << endl; return 0; }
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("inline") #include<bits/stdc++.h> using namespace std; void*wmem; char memarr[96000000]; template<class T> inline void walloc1d(T **arr, int x, void **mem = &wmem){ static int skip[16] = {0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1}; (*mem) = (void*)( ((char*)(*mem)) + skip[((unsigned long long)(*mem)) & 15] ); (*arr)=(T*)(*mem); (*mem)=((*arr)+x); } template<class T> inline void walloc1d(T **arr, int x1, int x2, void **mem = &wmem){ walloc1d(arr, x2-x1, mem); (*arr) -= x1; } template<class T1> void sortA_L(int N, T1 a[], void *mem = wmem){ sort(a, a+N); } template<class T1, class T2> void sortA_L(int N, T1 a[], T2 b[], void *mem = wmem){ int i; pair<T1, T2>*arr; walloc1d(&arr, N, &mem); for(i=(0);i<(N);i++){ arr[i].first = a[i]; arr[i].second = b[i]; } sort(arr, arr+N); for(i=(0);i<(N);i++){ a[i] = arr[i].first; b[i] = arr[i].second; } } inline int my_getchar_unlocked(){ static char buf[1048576]; static int s = 1048576; static int e = 1048576; if(s == e && e == 1048576){ e = fread_unlocked(buf, 1, 1048576, stdin); s = 0; } if(s == e){ return EOF; } return buf[s++]; } inline void rd(int &x){ int k; int m=0; x=0; for(;;){ k = my_getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } inline void rd(long long &x){ int k; int m=0; x=0; for(;;){ k = my_getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite_unlocked(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar_unlocked(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar_unlocked(a); } inline void wt_L(long long x){ int s=0; int m=0; char f[20]; if(x<0){ m=1; x=-x; } while(x){ f[s++]=x%10; x/=10; } if(!s){ f[s++]=0; } if(m){ my_putchar_unlocked('-'); } while(s--){ my_putchar_unlocked(f[s]+'0'); } } int N; long long K; long long A[200000]; long long B[200000]; int main(){ int i; wmem = memarr; rd(N); rd(K); { int Lj4PdHRW; for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){ rd(A[Lj4PdHRW]); rd(B[Lj4PdHRW]); } } sortA_L(N,A,B); for(i=(0);i<(N);i++){ if(A[i] <= K){ K += B[i]; } } wt_L(K); wt_L('\n'); return 0; } // cLay version 20210529-1 [beta] // --- original code --- // int N; ll K, A[2d5], B[2d5]; // { // rd(N,K,(A,B)(N)); // sortA(N,A,B); // rep(i,N) if(A[i] <= K) K += B[i]; // wt(K); // }
#include <bits/stdc++.h> using namespace std; int main(){ int n,k; cin >> n >>k; vector<long long> points; vector<int> money; long long temp1; int temp2; for (int i = 0; i < n; i++){ cin >> temp1; points.push_back(temp1); cin >> temp2; money.push_back(temp2); } vector<size_t> indices(points.size()); iota(indices.begin(), indices.end(), 0); // ソートする。 sort(indices.begin(), indices.end(), [&points](size_t i1, size_t i2) { return points[i1] < points[i2]; }); long long p; p = k; for (int i = 0; i < n; i++){ if (p < points[indices[i]]){ break; }else{ p = p+money[indices[i]]; } } cout << p <<endl; return 0; }
#pragma GCC optimize("O3") //#pragma GCC target("avx2") //#pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; #ifdef LOCAL #include <prettyprint.hpp> #define debug(...) cerr << "[" << #__VA_ARGS__ << "]: ", d_err(__VA_ARGS__); #else #define debug(...) 83; #endif void d_err() { cerr << endl; } template <typename H, typename... T> void d_err(H h, T... t) { cerr << h << " "; d_err(t...); } template <typename T> void print(T x) { cout << x << "\n"; } #define ALL(x) (x).begin(), (x).end() #define FOR(i, m, n) for (ll i = (m); i < (n); ++i) #define REVFOR(i, m, n) for (ll i = (n - 1); i >= (m); --i) #define REP(i, n) FOR(i, 0, n) #define REVREP(i, n) REVFOR(i, 0, n) #define fi first #define se second #define pb push_back #define mp make_pair #define eb emplace_back #define bcnt __builtin_popcountll typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<ld> vld; typedef pair<ll,ll> Pll; typedef pair<int,int> Pin; ll INF = 1e16; int inf = 1e9; const ll MOD = 1000000007; //const ll MOD = 998244353; struct mint { ll x; // typedef long long ll; mint(ll x=0):x((x%MOD+MOD)%MOD){} mint operator-() const { return mint(-x);} mint& operator+=(const mint a) { if ((x += a.x) >= MOD) x -= MOD; return *this; } mint& operator-=(const mint a) { if ((x += MOD-a.x) >= MOD) x -= MOD; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= MOD; return *this; } mint operator+(const mint a) const { mint res(*this); return res+=a; } mint operator-(const mint a) const { mint res(*this); return res-=a; } mint operator*(const mint a) const { mint res(*this); return res*=a; } mint pow(ll t) const { if (!t) return 1; mint a = 1; mint tmp = 1; while(t > 0) { if (t & 1) a *= tmp; tmp *= *this; t >>= 1; } return a; } // for prime MOD mint inv() const { return pow(MOD-2); } mint& operator/=(const mint a) { return (*this) *= a.inv(); } mint operator/(const mint a) const { return mint(*this) /= a; } }; istream& operator>>(istream& is, mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} typedef vector<mint> vmi; int main(){ cin.tie(0); ios_base::sync_with_stdio(false); cout << fixed << setprecision(20); int h, w; cin >> h >> w; vector<string> m(h); REP(i, h) cin >> m[i]; vector<vi> cnt(h, vi(w, 0)); // left - right REP(i, h) { int j = 0; int s = 0; while(j < w) { if (m[i][j] == '#') { for (int k = j - 1; k > -1 && m[i][k] != '#'; --k) { cnt[i][k] += j; } s = j + 1; } else { cnt[i][j] -= s; } ++j; } for (int k = j - 1; k > -1 && m[i][k] != '#'; --k) { cnt[i][k] += j; } } // top REP(j, w) { int i = 0; int s = 0; while(i < h) { if (m[i][j] == '#') { for (int k = i - 1; k > -1 && m[k][j] != '#'; --k) { cnt[k][j] += i; } s = i + 1; } else { cnt[i][j] -= s; } ++i; } for (int k = i - 1; k > -1 && m[k][j] != '#'; --k) { cnt[k][j] += i; } } ll all = 0; REP(i, h) REP(j, w) all += int(m[i][j] == '.'); mint ans = 0; vmi t(all + 1, 1); FOR(i, 1, all + 1) t[i] = t[i - 1] * 2; REP(i, h) REP(j, w) { if (m[i][j] == '#') continue; int c = cnt[i][j] - 1; ans += t[all] - t[all - c]; } print(ans); }
// .-""""-. // / j \ // :.d; ; // $P : // .m._ $$ : // dSMMSSSss.__$b. __ : // :MMSMMSSSMMMSS$$b $P ; // SMMMSMMSMMMSSS$$$$ :b // dSMMMSMMMMMMSSMM$$b.dP SSb. // dSMMMMMMMMMMSSMMPT$$=-. /TSSSS. // :SMMMSMMMMMMMSMMP `b_.' MMMMSS. // SMMMMMSMMMMMMMMM \ .'\ :SMMMSSS. // dSMSSMMMSMMMMMMMM \/\_/; .'SSMMMMSSSm // dSMMMMSMMSMMMMMMMM :.;'" :SSMMMMSSMM; // .MMSSSSSMSSMMMMMMMM; :.; MMSMMMMSMMM; // dMSSMMSSSSSSSMMMMMMM; ;.; MMMMMMMSMMM // :MMMSSSSMMMSSP^TMMMMM ;.; MMMMMMMMMMM // MMMSMMMMSSSSP `MMMM ;.; :MMMMMMMMM; // "TMMMMMMMMMM TM; :`.: MMMMMMMMM; // )MMMMMMM; _/\ :`.: :MMMMMMMM // dSS$$MMMb. |._\\ :`.: MMMMMMMM // T$S$$$$$$$$$m;O\\"-;`.:_.- MMMMMMM; // :$$$$$$$$$$$$$$b_l./\ ;`.: mMMSSMMM; // :$$$$$$$$$$$$$$$$$$$./\;`.: .$MSMMMMMM // $$$$$$$$$$$$$$$$$$$$. \`.:.$$$SMSSSMMM; // $$$$$$$$$$$$$$$$$$$$$. \.:$$$$SSMMMMMMM // :$$$$$$$$$$$$$$$$$$$$$.//.:$$$SSSSSSSMM; // :$$$$$$$$$$$$$$$$$$$$$$.`.:$SSSSSSSMMMP // $$$$$$$$$;"^J "^$$$$;.`.$P `SSSMMMM // :$$$$$$$$$ :$$$;.`.P'.. TMMM$b // :$$$$$$$$$; $$$$;.`/ c^' d$$$$S; // $$$$S$$$$; '^^^:_dg:___.$$$$$SSS // $$$SS$$$$; $$$$$$$$$$$$$SSS; // :$$SSSS$$$$ : $$$$$$$$$$$$SSS // :P"TSSSS$$$ ; $$$$$$$$$$$$SSS; // j `SSSSS$ : :$$$$$$$$$$$$SS$ // : "^S^' : $$$$$$$$$$$$S$; // ;.____.-;" "--^$$$$$$$$$$$$P // '-....-" bug ""^^T$$$P" #include<bits/stdc++.h> #define pb push_back #define mk make_pair #define ll long long #define ss second #define ff first #define pll pair<ll,ll> #define vll vector<ll> #define mll map<ll,ll> #define mod 1000000007 #define sp " " #define w(x) ll x; cin>>x; while(x--) #define ps(x,y) fixed<<setprecision(y)<<x; #define fo(i, j, k, in) for (ll i=j ; i<k ; i+=in) #define re(i, j) fo(i, 0, j, 1) #define pi 3.1415926535897932384626433832795 #define all(cont) cont.begin(), cont.end() #define countbit(x) __builtin_popcount(x) #define mod 1000000007 #define lo lower_bound #define de(n) ll n;cin>>n; #define def(a,n) ll n;cin>>n;ll a[n];re(i,n){cin>>a[i];} #define defi(a,n,k) ll n;cin>>n; ll k;cin>>k;ll a[n];re(i,n){cin>>a[i];} #define deb(x) cout<<#x<<"="<<x<<endl; #define tr(it,a) for(auto it=a.begin();it!=a.end();it++) #define nl cout<<endl; using namespace std; //KnightMareVoid ll power(ll x,ll y,ll mad){ ll p=mad; ll res =1; x=x%p; while(y>0){ if(y&1){ res=(res*x)%p; } y=y>>1; x=(x*x)%p; } return res; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); ll a,b,c; cin>>a>>b>>c; a%=10; if(a==5||a==6||a==1){ cout<<a<<endl; return 0; } if(a==2 || a==8){ ll k=power(b,c,4); if(k==0){ cout<<6<<endl; } else if(k==1){ cout<<(6*a)%10<<endl; } else if(k==2){ cout<<(6*a*a)%10<<endl; } else{ cout<<(6*a*a*a)%10<<endl; } } else if(a==7 || a==3){ ll k=power(b,c,4); if(k==0){ cout<<1<<endl; } else if(k==1){ cout<<(1*a)%10<<endl; } else if(k==2){ cout<<(1*a*a)%10<<endl; } else{ cout<<(1*a*a*a)%10<<endl; } } else if(a==4){ ll k=power(b,c,2); if(k==0){ cout<<6<<endl; } else if(k==1){ cout<<(6*a)%10<<endl; } } else if(a==0){ cout<<0<<endl; } else if(a==9){ ll k=power(b,c,2); if(k==0){ cout<<1<<endl; } else if(k==1){ cout<<(1*a)%10<<endl; } } return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define tej ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0); #define ve vector<int> #define vl vector<long long int> #define vp vector<pair<long long int,long long int>> #define pb push_back #define fi first #define se second #define pb push_back #define pf push_front #define bp pop_back #define fp pop_front #define mp make_pair #define fo(i,n) for(i=0;i<n;i++) #define unq(v) unique(v.begin(), v.end())-v.begin() #define fnd(v,a) find(v.begin(), v.end(), a) #define uprb(v,a) upper_bound(v.begin(), v.end(), a) #define upra(v,n,a) upper_bound(v, v+n, a) #define lowb(v,a) lower_bound(v.begin(), v.end(), a) #define lowa(v,n,a) lower_bound(v, v+n, a) #define newuv(v) v.erase(unique(v.begin(),v.end()),v.end()) #define rev(v) reverse(v.begin(),v.end()) #define rndshf(v) random_shuffle(v.begin(),v.end()) #define all(v) v.begin(),v.end() ll po(ll a,ll b,ll m) { ll t=1; while(b>0) { if(b%2!=0) { t=(t*a)%m; } a=(a*a)%m; b=b/2; } return t; } // ll inv(ll a,ll m) // { // return po(a,m-2,m); // } // ll vis[100002]={0},x=0; // vl v[100002]; // ll dfs(ll s) // { // ll c=1,i; // for(i=0;i<v[s].size();i++) // { // if(vis[v[s][i]]==0) // { // vis[v[s][i]]=1; // c+=dfs(v[s][i]); // } // } // x+=c-1; // //cout<<x<<endl; // return c; // } void solve() { ll n,p,s=1,x,y; cin>>n>>p; if(p==2) { if(n==1) cout<<"1"; else cout<<"0"; return; } cout<<((p-1)*po(p-2,n-1,1000000007))%1000000007; } int main() { tej ll t=1; //cin>>t; while(t--) solve(); return 0; }
#include <iostream> #include <string> #include <vector> #include <set> #include <map> #include <queue> #include <stack> #include <algorithm> #include <math.h> #include <cassert> #define rep(i,n) for(int i = 0; i < n; ++i ) using namespace std; using ll = long long; const int m = 1e9+7; ll n,p; ll f(ll n){ if(n==0) return 1; ll a = f(n>>1); a = a*a%m; if(n&1) a = a*(p-2)%m; return a; } int main() { cin >> n >> p; ll ans = f(n-1); ans = ans*(p-1)%m; cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; #ifndef ONLINE_JUDGE #define dbg(x...) do { cout << "\033[32;1m " << #x << " -> "; err(x); } while (0) void err() { cout << "\033[39;0m" << endl; } template<template<typename...> class T, typename t, typename... A> void err(T<t> a, A... x) { for (auto v: a) cout << v << ' '; err(x...); } template<typename T, typename... A> void err(T a, A... x) { cout << a << ' '; err(x...); } #else #define dbg(...) #endif typedef long long ll; typedef pair<int,int> pi; typedef vector<int> vi; template<class T> using vc=vector<T>; template<class T> using vvc=vc<vc<T>>; template<class T> void mkuni(vector<T>&v) { sort(v.begin(),v.end()); v.erase(unique(v.begin(),v.end()),v.end()); } ll rand_int(ll l, ll r) //[l, r] { static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count()); return uniform_int_distribution<ll>(l, r)(gen); } template<class T> void print(T x,int suc=1) { cout<<x; if(suc==1) cout<<'\n'; else cout<<' '; } template<class T> void print(const vector<T>&v,int suc=1) { for(int i=0;i<v.size();i++) print(v[i],i==(int)(v.size())-1?suc:2); } const int mod=998244353; const int maxn=2e5+7; int fa[maxn]; int Find(int x) { return x==fa[x]?x:fa[x]=Find(fa[x]); } void Union(int x,int y) { x=Find(x),y=Find(y); fa[y]=x; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin>>n; for(int i=0;i<n;i++) fa[i]=i; vi f(n); for(int i=0;i<n;i++) { cin>>f[i]; f[i]--; Union(i,f[i]); } int cc=0; for(int i=0;i<n;i++) { if(fa[i]==i) cc++; } int ans=1; for(int i=0;i<cc;i++) ans=ans*2%mod; ans=(ans-1+mod)%mod; print(ans); }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<ll> vl; typedef pair<ll, ll> pl; struct edge { ll to; // 辺の行き先 ll weight; // 辺の重み edge(ll t, ll w) : to(t), weight(w) { } }; typedef vector<vector<ll> > Graph; typedef vector<vector<edge> > WGraph; #define rep(i, n) for(int i = 0; i < (int)(n); i++) #define rep3(i, k, n) for(int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define pb push_back #define vout(v) for(int index_now=0; index_now < v.size(); i++) cout<<v[index_now]<<' ' #define blank cout<<endl #define newvar(n) ll n; cin >> n const ll MOD = 998244353; const ll INF = MOD*MOD+1; ll powmod(ll x, ll n, ll mod){ ll ret=1; while(n>0){ if(n&1) ret = (ret * x)%mod; x = (x*x)%mod; n >>= 1; } return ret; } int main() { cin.tie(0); ios::sync_with_stdio(false); ll n; cin >> n; vl f(n+1); rep(i,n) cin >> f[i+1]; vl seen(n+1, 0); ll cnt = 0; rep3(i, 1, n+1){ if(seen[f[i]]==2) continue; //cout << i << endl; ll now = i; bool check = true; //すでに見られたことがあるかどうか if(seen[now] == 2) check = false; //スタート地点が既訪だったら、なにもしない queue<ll> que; que.push(now); while(seen[now] == 0){ //今回の道が、既訪頂点に続いているか seen[now] = 1; //1は、この仮シミュレーションで訪れた場所 now = f[now]; //つぎ if(seen[now] == 2) check = false; //かつて訪れていたら、なにもしない que.push(now); } if(!check){ while(!que.empty()){ seen[que.front()] = 2; que.pop(); } continue; } now = i; while(seen[now] != 2){ seen[now] = 2; now = f[now]; } seen[now] = 2; cnt++; } cout << powmod(2, cnt, MOD) - 1; return 0; }
// Template #include "bits/stdc++.h" #define rep_override(x, y, z, name, ...) name #define rep2(i, n) for (int i = 0; i < (int)(n); ++i) #define rep3(i, l, r) for (int i = (int)(l); i < (int)(r); ++i) #define rep(...) rep_override(__VA_ARGS__, rep3, rep2)(__VA_ARGS__) #define per(i, n) for (ll i = (ll)(n) - 1; i >= 0; --i) #define all(x) (x).begin(), (x).end() using namespace std; using ll = long long; constexpr int inf = 1001001001; constexpr ll INF = 3003003003003003003LL; template <typename T> inline bool chmin(T &x, const T &y) { if (x > y) { x = y; return true; } return false; } template <typename T> inline bool chmax(T &x, const T &y) { if (x < y) { x = y; return true; } return false; } struct IOSET { IOSET() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); } } ioset; template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (T &element : vec) is >> element; return is; } template <typename T> vector<T> operator--(vector<T> &vec) { for (T &element : vec) --element; return vec; } // Main int main() { int n; cin >> n; vector<int> p(n); cin >> p; vector<int> cnt(200020, 0); int ans = 0; rep(i, n) { ++cnt[p[i]]; while (cnt[ans]) ++ans; cout << ans << "\n"; } }
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <unordered_map> #include <unordered_set> using namespace std; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } int main(){ int N; vector<int> p; cin >> N; unordered_set<int> us; for(int i=0; i < N; ++i){ int tmp; cin >> tmp; p.push_back(tmp); } int min=0; for(int i=0; i < N; ++i){ us.insert(p[i]); //int num=i; while(1){ if(us.find(min) == us.end()){ cout << min <<endl; break; } else{ ++min; } } } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; // -------------------------------------------------------- template<class T> bool chmax(T& a, const T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> bool chmin(T& a, const T b) { if (b < a) { a = b; return 1; } return 0; } #define FOR(i,l,r) for (ll i = (l); i < (r); ++i) #define RFOR(i,l,r) for (ll i = (r)-1; (l) <= i; --i) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) RFOR(i,0,n) #define ALL(c) (c).begin(), (c).end() #define RALL(c) (c).rbegin(), (c).rend() #define SORT(c) sort(ALL(c)) #define RSORT(c) sort(RALL(c)) #define MIN(c) *min_element(ALL(c)) #define MAX(c) *max_element(ALL(c)) #define SUMLL(c) accumulate(ALL(c), 0LL) #define COUNT(c,v) count(ALL(c),(v)) #define SZ(c) ((ll)(c).size()) #define BIT(b,i) (((b)>>(i)) & 1) #define PCNT(b) __builtin_popcountll(b) #define CLZ(b) __builtin_clzll(b) #define BITLEN(b) (64LL - CLZ(b)) #define CIN(c) cin >> (c) #define COUT(c) cout << (c) << '\n' #define debug(x) cerr << "l." << __LINE__ << " : " << #x << " = " << (x) << '\n' ll llceil(ll a, ll b) { return (a + b - 1) / b; } string toupper(const string& S) { string T(S); REP(i,SZ(T)) T[i] = toupper(T[i]); return T; } string tolower(const string& S) { string T(S); REP(i,SZ(T)) T[i] = tolower(T[i]); return T; } using P = pair<ll,ll>; using VP = vector<P>; using VVP = vector<VP>; using VS = vector<string>; using VVS = vector<VS>; using VLL = vector<ll>; using VVLL = vector<VLL>; using VVVLL = vector<VVLL>; using VB = vector<bool>; using VVB = vector<VB>; using VVVB = vector<VVB>; using VD = vector<double>; using VVD = vector<VD>; using VVVD = vector<VVD>; using VLD = vector<ld>; using VVLD = vector<VLD>; using VVVLD = vector<VVLD>; static const double EPS = 1e-10; static const double PI = acos(-1.0); static const ll MOD = 1000000007; // static const ll MOD = 998244353; static const ll INF = (1LL << 62) - 1; // 4611686018427387904 - 1 // -------------------------------------------------------- // #include <atcoder/all> // using namespace atcoder; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); ll N, M; cin >> N >> M; VLL X(M),Y(M),Z(M); REP(i,M) cin >> X[i] >> Y[i] >> Z[i]; VVLL E(N+1); REP(i,M) { E[X[i]].push_back(i); } VLL dp(1<<N, 0); dp[0] = 1; REP(S,1<<N) { ll p = PCNT(S); bool ok = true; for (ll id : E[p]) { ll cnt = 0; REP(i,N) if (BIT(S,i)) { if (i+1 <= Y[id]) cnt++; } if (cnt > Z[id]) ok = false; } if (!ok) continue; REP(u,N) if (BIT(S,u)) { dp[S] += dp[S ^ (1<<u)]; } } ll ans = dp[(1<<N)-1]; COUT(ans); return 0; }
#include <iostream> #include <vector> #include <numeric> #include <algorithm> #include <climits> constexpr int SINT_MAX = std::numeric_limits<int>::max(); constexpr int SINT_MIN = std::numeric_limits<int>::min(); using namespace std; using vi = vector<int>; using vvi = vector<vi>; using ll = long long; using vll = vector<ll>; using vvll = vector<vll>; template<class T> T choose(bool b, T t, T f) { if (b) return t; else return f; } const char *YesNo(bool b) { return choose(b, "Yes", "No"); } const char *YESNO(bool b) { return choose(b, "YES", "NO"); } template<class NumT> NumT diffabs(NumT l, NumT r) { if (l < r) return r-l; else return l-r; } struct myinout_t {} io; template<class T> myinout_t &operator >>(myinout_t &my, T &i) { cin >> i; return my; } myinout_t &operator >>(myinout_t &my, int &i) { int r = scanf("%d", &i); if (r != 1) exit(EXIT_FAILURE); return my; } myinout_t &operator >>(myinout_t &my, ll &i) { int r = scanf("%lld", &i); if (r != 1) exit(EXIT_FAILURE); return my; } template<class T> myinout_t &operator <<(myinout_t &my, const T &i) { cout << i; return my; } myinout_t &operator <<(myinout_t &my, int i) { printf("%d", i); return my; } myinout_t &operator <<(myinout_t &my, ll i) { printf("%lld", i); return my; } myinout_t &operator <<(myinout_t &my, double i) { printf("%.20f", i); return my; } constexpr char BR = '\n'; /////////////////////////////////////////////////// int mfind(const vi &a, int N, int i, int p) { for (int j = i; j < N; j++) { if (a[j] == p) return j; } return -1; } bool f(const vi &P, vi &A, vi &ans, int N) { int ians = 0; for (int i = 0; i < N; i++) { int p = P[i]; int k = mfind(A, N, i, p); if (i < ians && i < k) return false; if (k == i) continue; for (int j = k-1; j >= i; j--) { ans[ians++] = j; swap(A[j], A[j+1]); } } return ians == N - 1; } int main() { int N; io >> N; vi P(N); for (int i = 0; i < N; i++) io >> P[i]; vi A(N); for (int i = 0; i < N; i++) A[i] = i + 1; vi ans(N-1); bool r = f(P, A, ans, N); if (r) { for (auto it = ans.rbegin(); it != ans.rend(); ++it) { io << (*it + 1) << BR; } } else { io << "-1" << BR; } }
#include<bits/stdc++.h> #define all(x) (x).begin(),(x).end() #define ll long long #define rep(i,n) for(int i = 0; i < int(n); i++) #define vi vector<int> using namespace std; const int INF = 1001001001; const int MOD = 1e9+7; template<class T> inline bool chmax(T &a, const T &b){ if(a<b){ a=b; return 1; } return 0; } template<class T> inline bool chmin(T &a, const T &b){ if(b<a){ a=b; return 1; } return 0; } string solve(){ cin.tie(0), ios::sync_with_stdio(false); int a,b,c; cin >> a >> b >> c; if(1 <= abs(a-b)){ return (a<b?"Aoki":"Takahashi"); }else{ return (!c?"Aoki":"Takahashi"); } } int main(){ cout << solve(); cout << endl; return 0; }
#include <bits/stdc++.h> using namespace std; //useful #define rep(i,n) for(int i = 0; i < (n); i++) int long long gcd(int long long a, int long long b){ return b?gcd(b,a%b):a; } //最大公約数 int long long lcm(int long long a, int long long b){ return a/gcd(a,b)*b; } //最小公倍数 int long long GetDigit(int long long num){ int long long digit=0; while(num!=0){ num /= 10; digit++; } return digit; } //桁数 int long long GetDigitN(int long long num, int long long N){ int long long digit=0; while(num!=0){ num /= N; digit++; } return digit; } //十進数でnumの際のN進数における桁数 int long long GetDigitSum(int long long n){ if(n < 10){ return n; } return GetDigitSum(n/10) + n%10; } //十進数の桁和 unsigned int long long unsignedGetDigitSum(unsigned int long long n){ if(n < 10){ return n; } return unsignedGetDigitSum(n/10) + n%10; } //十進数の桁和unsigned int long long divisorcount(int long long n){ int long long ans = 1; vector<int> x(n + 1); int long long num = n; // 素因数分解する変数num for (int long long i = 0; i <= n; i++) { while (num%i == 0) { // 素数で割り切れなくなるまで割っていく x.at(i)++; //割った個数を配列に足す num /= i; } } for (int i = 2; i <= n; i++){ ans *= x.at(i) + 1; //それぞれを+1して掛けていく } return ans; } //約数カウント int main(){ int A, B, C; cin >> A >> B >> C; if(A > B || (A == B && C == 1)){ cout << "Takahashi" << endl; } else{ cout << "Aoki" << endl; } return 0; }
#include "bits/stdc++.h" using namespace std; typedef long double ld; typedef long long ll; #define sz(x) (int)(x).size() #define eb emplace_back #define pb push_back #define mp make_pair #define f first #define s second template<typename T, typename U> bool ckmin(T &a, const U &b){ return b < a ? a = b, true : false; } template<typename T, typename U> bool ckmax(T &a, const U &b){ return b > a ? a = b, true : false; } int n; vector<ld> a; ld f(ld x){ ld sum = 0; for(int i = 0; i < n; ++i){ sum += x + a[i] - min(a[i], 2 * x); } return sum; } ld ternary_search(ld l, ld r) { ld eps = 1e-9; //set the error limit here while (r - l > eps) { ld m1 = l + (r - l) / 3; ld m2 = r - (r - l) / 3; ld f1 = f(m1); //evaluates the function at m1 ld f2 = f(m2); //evaluates the function at m2 if (f1 > f2) l = m1; else r = m2; } return f(l); } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n; a.assign(n, 0); for(int i = 0; i < n; ++i) cin >> a[i]; cout << setprecision(10) << fixed; cout << ternary_search(0, 1e9 + 7)/n; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0;i < n;i++) typedef long long ll; int main(){ int n; cin >> n; vector<long long> a(n); rep(i,n){ cin >> a[i]; } sort(a.begin(),a.end()); vector<long long> stacksum(n); for(int i=0;i < n;i++){ stacksum[i] = i == 0 ? a[0] : a[i] + stacksum[i-1]; } double ave = 0; rep(i,n){ ave += a[i]; } ave = ave / n; double lostmin = 1000000000000000.0; for(int i=0; i<n; i++){ double x = (double)a[i] / 2; long long al = i == 0 ? 0 : stacksum[i-1]; double lost = x + ave - ((2*x*(n-i) + al) / (double) n); lostmin = min(lostmin,lost); } printf("%.12lf\n",lostmin); return 0; }
#include<bits/stdc++.h> using namespace std; const int mod=998244353; int a,b,c; int main( ) { cin>>a>>b>>c; a%=mod, b%=mod, c%=mod; a=1ll*a*(a+1)/2%mod; b=1ll*b*(b+1)/2%mod; c=1ll*c*(c+1)/2%mod; cout<<1ll*a*b%mod*c%mod; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long int int32; typedef unsigned long int uint32; typedef long long int int64; typedef unsigned long long int uint64; typedef long double ldd; typedef double ld; #define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL) #define mp(x,y) make_pair(x,y) #define pb(x) push_back(x) #define INF (int)1e9 #define INF64 (int64)1e18 #define EPS 1e-9 #define PI 3.1415926535897932384626433832795 #define MOD 1000000007 #define F first #define S second const double pie = acos(-1.0); template <typename T> T Max(T x, T y) { return (x > y) ? x : y; } template <typename T> T Min(T x, T y) { return (x > y) ? y : x; } int gcd(int n1, int n2) { if (n2 != 0) return gcd(n2, n1 % n2); else return n1; } long long binpow(long long a, long long b, long long m) { a %= m; long long res = 1; while (b > 0) { if (b & 1) res = res * a % m; a = a * a % m; b >>= 1; } return res; } #define TRACE #ifdef TRACE #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) template <typename Arg1> void __f(const char* name, Arg1&& arg1) { cerr << name << " : " << arg1 << std::endl; } template <typename Arg1, typename... Args> void __f(const char* names, Arg1&& arg1, Args&&... args) { const char* comma = strchr(names + 1, ','); cerr.write(names, comma - names) << " : " << arg1 << " | "; __f(comma + 1, args...); } #else #define trace(...) #endif clock_t time_p = clock(); void rtime() {time_p = clock() - time_p; cerr << "Time Taken : " << (float)1000 * (time_p) / CLOCKS_PER_SEC << "\n";} int n; string s, str; int arr[10000001]; void solve() { long long int a, b, c; cin >> a >> b >> c; long long int ans1, ans2, ans3; ans1 = a * (a + 1) / 2; ans2 = b * (b + 1) / 2; ans3 = c * (c + 1) / 2; long long int m = 998244353; cout << ((((ans1 % m) * (ans2 % m)) % m) * (ans3 % m)) % m; } int main() { fast; int t; t = 1; while (t--) { solve(); } }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #pragma comment(linker, "/stack:200000000") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") //turn on extra precision //#pragma GCC target("fpmath=387") using namespace std; using namespace __gnu_pbds; typedef long long ll; typedef string str; typedef pair <int,int> pii; typedef pair <ll,ll> pll; typedef vector <int> vi; typedef vector <ll> vll; typedef vector <pii> vpii; typedef vector <pll> vpll; #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> #define ordered_multiset tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> #define mp make_pair #define pb push_back #define pob pop_back #define pf push_front #define pof pop_front #define fi first #define se second #define fs first.second #define ss second.second #define ff first.first #define sf second.first #define newl '\n' #define fbo find_by_order #define ook order_of_key #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(),x.rend() #define watch(x) cout << (#x) << " is : " << (x) << newl mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); vi dirx = {0,0,1,-1}; vi diry = {1,-1,0,0}; char to_upper (char x){ if( 97 <= int(x) && int(x) <= 122) return char(x-32); if( 65 <= int(x) && int(x) <= 90) return x; return -1; } char to_lower (char x){ if( 97 <= int(x) && int(x) <= 122) return x; if( 65 <= int(x) && int(x) <= 90) return char(x+32); return -1; } int numerize (char x){ if(48 <= int(x) && int(x) <= 57) return int(x-'0'); if(97 <= int(x) && int(x) <= 122) return int(x-96); if(65 <= int(x) && int(x) <= 90) return int(x-64); return -1; } bool isect (int l1, int r1, int l2, int r2){ return max(l1,l2) <= min(r1,r2); } ll quickpow (ll num1, ll num2, ll MOD){ if(num2==0)return 1%MOD; else if(num2==1)return num1%MOD; else{ ll temp = quickpow (num1,num2>>1LL,MOD); ll res = ((temp%MOD) * (temp%MOD))%MOD; if(num2&1) res = ((res%MOD)*(num1%MOD))%MOD; return res; } } ll invmod (ll num, ll MOD){return quickpow (num,MOD-2,MOD);} ll gcd (ll num1, ll num2){ if(num1 < num2) swap(num1,num2); ll num3 = num1 % num2 ; while(num3 > 0){ num1 = num2; num2 = num3; num3 = num1 % num2;} return num2; } ll lcm (ll num1 , ll num2){return (ll) (num1/__gcd(num1,num2))*num2;} // end of Template int a,b,w; bool validate(){ int take = w / a; int rem = w % a; int p = (rem / take) + !!(rem % take); if(a + p > b) return false; return true; } int main(){ // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> a >> b >> w; w *= 1000; if(!validate()) return cout << "UNSATISFIABLE\n", 0; int mx = w / a; int mn = w / b + !!(w % b); cout << mn << ' ' << mx << newl; return 0; }
#pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") //#pragma GCC optimization("unroll-loops") #include <bits/stdc++.h> #define readFast ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); #define fin cin #define ll long long #define sz(x) (int)(x).size() #define all(v) v.begin(), v.end() #define output(x) ((int)x && cout << "YES\n") || cout << "NO\n"; #define ld long double using namespace std; #ifdef LOCAL #define read() ifstream fin("date.in.txt") #else #define read() readFast #endif // LOCAL const int N = 55; const int MOD = 998244353; set<char> litere; map<char, int> toCifra; void puneLitere(string a) { for (char x : a) litere.insert(x); } ll createNumber(string a) { ll nr = 0; for (int i = 0; i < sz(a); ++i) { nr = nr * 10 + toCifra[a[i]]; } return nr; } string a, b, c; int main() { read(); fin >> a >> b >> c; puneLitere(a); puneLitere(b); puneLitere(c); if(sz(litere) > 10) { cout << "UNSOLVABLE"; // to do return 0; } vector<int> cifre(10); iota(cifre.begin(), cifre.end(), 0); do { // primul caracater cu prima cifra ... int p = 0; for (char x : litere) { toCifra[x] = cifre[p]; ++p; } if(toCifra[a[0]] == 0 || toCifra[b[0]] == 0 || toCifra[c[0]] == 0) continue; ll n1 = createNumber(a); ll n2 = createNumber(b); ll n3 = createNumber(c); if(n1 + n2 == n3) { cout << n1 << '\n' << n2 << '\n' << n3; return 0; } } while(next_permutation(cifre.begin(), cifre.end())); cout << "UNSOLVABLE"; return 0; } /*stuff you should look for * int overflow, array bounds * special cases (n=1?) * do smth instead of nothing and stay organized * WRITE STUFF DOWN * DON'T GET STUCK ON ONE APPROACH ~Benq~*/
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef vector<ll> vll; typedef vector<vector<ll>> vvll; typedef vector<pll> vpll; void INX(){} template<typename Head, typename... Tail> void INX(Head&& head, Tail&&... tail) { cin >> head; INX(forward<Tail>(tail)...); } void OUTX(){} template<typename Head, typename... Tail> void OUTX(Head&& head, Tail&&... tail) { cout << head << endl; OUTX(forward<Tail>(tail)...); } //setprecision(10) #define ADD emplace_back #define MP make_pair #define VVEC(type) vector<vector<type>> struct mydistance { ll index1; ll index2; ld dist; }; class UnionFind { private: vll parent; public: UnionFind(ll N) { parent.resize(N); for (ll i = 0; i < N; i++) { parent[i] = i; } } ll GetParent(ll x) { if(parent[x] == x) { return x; } else { return (parent[x] = GetParent(parent[x])); } } void Unite(ll x, ll y) { ll rx = GetParent(x); ll ry = GetParent(y); if(rx != ry) { parent[rx] = ry; } } bool IsUnited(ll x, ll y) { return GetParent(x) == GetParent(y); } }; int main() { ll N; INX(N); vector<pair<ld, ld>> kugi(N); for (ll i = 0; i < N; i++) { INX(kugi[i].first, kugi[i].second); } // calculate distances; i = N -> wall of y = -100, i = N + 1 -> wall of y = 100 vector<mydistance> vd; for (ll i = 0; i < N + 1; i++) { for (ll j = i + 1; j <= N + 1; j++) { mydistance d = {0, 0, 0}; d.index1 = i; d.index2 = j; if(i == N) { //if(j == N + 1) <- always true in this case d.dist = 200; } else if(j == N) { d.dist = kugi[i].second + 100; } else if(j == N + 1) { d.dist = 100 - kugi[i].second; } else { ld tmp1 = kugi[i].first - kugi[j].first; ld tmp2 = kugi[i].second - kugi[j].second; d.dist = sqrtl(tmp1 * tmp1 + tmp2 * tmp2); } vd.ADD(d); } } sort(vd.begin(), vd.end(), [](mydistance x, mydistance y){return x.dist < y.dist;}); UnionFind uf(N + 2); for (ll i = 0; i < (ll)vd.size(); i++) { uf.Unite(vd[i].index1, vd[i].index2); if(uf.IsUnited(N, N + 1)) { cout << setprecision(10) << (vd[i].dist / (ld)2.0) << endl; break; } } return 0; }
#include<iostream> #include<bits/stdc++.h> using namespace std; #define IOS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define deb(x) cout << #x << " " << x << endl; typedef long long int ll; typedef pair<int, int> pi; typedef pair<int, double> pid; #define UP_Y 100 #define DOWN_Y -100 const double EPS = 0.00001; double sq(int a) { return (double) a*a; } double dist(pi a, pi b) { return sqrt(sq(a.first-b.first) + sq(a.second-b.second)); } double distUp(pi a) { return dist(make_pair(a.first, UP_Y), a); } double distDown(pi a) { return dist(make_pair(a.first, DOWN_Y), a); } bool can(double r, vector<vector<pid>> &g, int n) { // deb(r); double d = r+r; vector<bool> vis(n+2, false); queue<int> q; q.push(n); vis[n] = true; while (!q.empty()) { int popped = q.front(); q.pop(); for (auto e: g[popped]) { if (vis[e.first]) continue; if (e.second >= d) continue; if (e.first == n+1) return false; q.push(e.first); vis[e.first] = true; // cout << "push " << e.first << endl; } } return true; } int main() { IOS int n; cin >> n; pi p[n]; for (int i = 0; i < n; i++) cin >> p[i].first >> p[i].second; vector<vector<pid>> g(n+2); for (int i = 0; i < n; i++) { for (int j = i+1; j < n; j++) { double dsq = dist(p[i], p[j]); g[i].push_back({j, dsq}); g[j].push_back({i, dsq}); } } for (int i = 0; i < n; i++) { double dist_up = distUp(p[i]); g[n].push_back({i, dist_up}); g[i].push_back({n, dist_up}); } for (int i = 0; i < n; i++) { double dist_down = distDown(p[i]); g[n+1].push_back({i, dist_down}); g[i].push_back({n+1, dist_down}); } // for (int i = 0; i < n+2; i++) { // cout << i << ": "; // for (auto x: g[i]) { // cout << "{" << x.first << "," << x.second << "} "; // } // cout << endl; // } double l = 0.5, r = 101, mid; while (r-l > EPS) { mid = (l+r) / 2; if (can(mid, g, n)) l = mid; else r = mid; } cout << l; return 0; }
#include<bits/stdc++.h> #define L(i, j, k) for(int i = j, i##E = k; i <= i##E; i++) #define R(i, j, k) for(int i = j, i##E = k; i >= i##E; i--) #define ll long long #define ull unsigned long long #define db double #define pii pair<int, int> #define mkp make_pair using namespace std; const int N = 1e5 + 7; ll n, m; int main() { scanf("%lld%lld", &n, &m); L(i, 1, sqrt(m + 1)) if(m % i == 0 && m / i + i == n) return puts("Yes"), 0; puts("No"); return 0; }
#include <cstring> #include <cmath> #include <algorithm> #include <string> #include <map> #include <iostream> #include <vector> #include <queue> #include <unordered_map> #include <random> #include <stack> #include <set> #include <unordered_set> #define bug(x) cout<<"zdongdebug1: "<<x<<endl; #define bug2(x, y) cout<<"zdongdebug2: "<<x<<" "<<y<<endl; #define bug3(x, y, z) cout<<"zdongdebug3: "<<x<<" "<<y<<" "<<z<<endl; using namespace std; typedef long long ll; const int maxn = 1005; const int mod = 998244353; int main() { #ifdef suiyuan2009 freopen("/Users/suiyuan2009/CLionProjects/icpc/input.txt", "r", stdin); //freopen("/Users/suiyuan2009/CLionProjects/icpc/output.txt", "w", stdout); #endif int x,y; cin>>x>>y; cout<<(x+y)/2<<" "<<(x-y)/2<<endl; return 0; }
#include <bits/stdc++.h> typedef long long int ll; typedef long double ld; typedef unsigned long long int ull; typedef long int li; #define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define test ll t; cin >> t; while(t--) const long long int cons = 200005; const long long int MOD = 1000000007; // const long long int MOD = 998244353; const long long int const_INT_MAX = 1000000000000000000; const long long int const_INT_MIN = -1 * 1000000000000000000; using namespace std; // to sort pair vector in reverse order bool sortinrev(const pair<ll,ll> &a, const pair<ll,ll> &b){ return (a.first > b.first); } // to sort pair vector according to the second elements bool sortbysec(const pair<ll,ll> &a, const pair<ll,ll> &b){ return (a.second < b.second); } // to sort pair vector according to the second elements in reverse order bool sortbysecinrev(const pair<ll,ll> &a, const pair<ll,ll> &b){ return (a.second > b.second); } ll lcm(ll x, ll y){ return (ll)((x * y) / __gcd(x, y)); } ll mod_expo(ll x, ll y, ll p){ // reference from GFG ll res = 1; if((x + p) % p == 0){ res = 0; } else { x = (x + p) % p; while (y > 0){ if (y & 1){ res = (res*x + p) % p; } y = y>>1; x = (x*x + p) % p; } } return res; } void usaco(string str = ""){ fastio; if(str.size()){ freopen((str + ".in").c_str(), "r", stdin); freopen((str + ".out").c_str(), "w", stdout); } } vector<ll> adj[cons]; ll dp[cons]; int main(){ usaco(); ll n, m; cin >> n >> m; ll a[n]; for(ll i=0;i<n;i++){ cin >> a[i]; } for(ll i=0;i<m;i++){ ll u, v; cin >> u >> v; u--; v--; adj[u].push_back(v); } for(ll i=0;i<n;i++){ dp[i] = const_INT_MIN; } for(ll i=n-1;i>=0;i--){ for(auto u : adj[i]){ dp[i] = max(dp[i], max(dp[u], a[u])); } } ll fin_ans = const_INT_MIN; for(ll i=0;i<n;i++){ fin_ans = max(fin_ans, dp[i] - a[i]); } cout << fin_ans << "\n"; }
#include<bits/stdc++.h> #define int long long #pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #define pb push_back #define mp make_pair using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll,ll> pi; const int mod = 1e9 + 7; const int nax = 1e6; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); int a[nax], dp[nax], deg[nax], mn[nax]; vector<int> E[nax]; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; for(int i = 1; i <= n; i++) { mn[i] = 2e18; dp[i] = -2e18; } for(int i = 1; i <= n; i++) cin >> a[i]; for(int i = 1; i <= m; i++) { int x, y; cin >> x >> y; E[x].pb(y); deg[y]++; } queue<int> Q; vector<int> ord; for(int i = 1; i <= n; i++) { if(!deg[i]) { Q.push(i); } } while(Q.size()) { int node = Q.front(); Q.pop(); ord.pb(node); for(auto it : E[node]) { deg[it]--; if(!deg[it]) { Q.push(it); } } } int ans = -2e18; for(auto x : ord) { mn[x] = min(mn[x], a[x]); for(auto it : E[x]) { ans = max(ans, a[it] - mn[x]); mn[it] = min(mn[it], mn[x]); } } cout << ans << '\n'; return 0; } // 9
#include <bits/stdc++.h> using namespace std; // #include <ext/pb_ds/assoc_container.hpp> // using namespace __gnu_pbds; //indexed set is using "int" here--------- use ll ... // typedef tree <int,null_type,less <int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set; typedef long long int ll; typedef long double ld; #define FAST \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define rep(g, i, n) for (ll g = i; g < n; g++) #define rev(g, n, i) for (ll g = n - 1; g >= i; g--) #define all(v) v.begin(), v.end() #define pb push_back #define mxe(v) *max_element(v.begin(), v.end()) #define mne(v) *min_element(v.begin(), v.end()) #define ve vector #define rem 1000000007 #define PI 3.141592653589793238462643383279502 ll power(ll x, ll y, ll p) { ll res = 1; // Initialize result x = x % p; // Update x if it is more than or while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; // y = y/2 x = (x * x) % p; } return res; } ll modInverse(ll n, ll p) { return power(n, p - 2, p); } int phi(int n) { int result = n; for (int i = 2; i * i <= n; i++) { if (n % i == 0) { while (n % i == 0) n /= i; result -= result / i; } } if (n > 1) result -= result / n; return result; } int main() { FAST; // freopen("input1.txt", "r", stdin); // freopen("output.txt", "w", stdout); /*ll tests; cin>>tests; rep (gg,0,tests) {}*/ ll a, b, c; cin >> a >> b >> c; ll val2 = power(b, c, 4); ve <ll> A(2),X(2),P(2); P[0]=2; P[1]=5; ll R[2][2]; rep (i,0,2) { rep (j,0,2) { R[i][j]=modInverse(P[i],P[j]); } } A[0]=(a%2==0?0:1); A[1] = (a%5==0?0:power(a, val2, 5)); ll k=2; for (int i = 0; i < k; ++i) { X[i] = A[i]; for (int j = 0; j < i; ++j) { X[i] = R[j][i] * (X[i] - X[j]); X[i] = X[i] % P[i]; if (X[i] < 0) X[i] += P[i]; } } ll ans=(X[0])%10+(X[1]*P[0])%10; cout << (ans) % 10 << "\n"; }
#include <bits/stdc++.h> using namespace std; void __print(int x) {cerr << x;} void __print(long x) {cerr << x;} void __print(long long x) {cerr << x;} void __print(unsigned x) {cerr << x;} void __print(unsigned long x) {cerr << x;} void __print(unsigned long long x) {cerr << x;} void __print(float x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "]\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifdef ARTHUR_LOCAL #define debug(x...) cerr << "[" << #x << "] = ["; _print(x) #else #define debug(x...) #endif using ll = long long; #define ff first #define ss second #define all(x) (x).begin(), (x).end() #define len(x) int((x).size()) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #define randint(n) uniform_int_distribution<int>(1, (n))(rng) ll p; ll mod_exp(ll a, ll b) { if(b==0LL) return 1LL; ll ans = mod_exp(a,ll(b/2LL)); ans*=ans; ans%=p; if(b%2LL==1LL) ans*=a; ans%=p; return ans; } ll prop(ll a, ll b, ll c) { p=4; ll expp = mod_exp(b, c); p=5; ll val = mod_exp(a, expp); if(val % 2LL == a % 2LL) return val; else return val+5; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); #ifdef ARTHUR_LOCAL ifstream cin("input.txt"); // ofstream cout("arcout.txt"); // ifstream cin1("arcout.txt"); // ifstream cin2("arcpyout.txt"); #endif ll a,b,c; cin>>a>>b>>c; if(a%10 == 0){ cout<<0<<endl; return 0; } if(a%5 == 0){ cout<<5<<endl; return 0; } // EVEN CASE!!! a%=10LL; b%=4LL; p=4; ll fff=mod_exp(b,c); p=5; if(mod_exp(a,fff)%2LL == a%2LL) cout<<mod_exp(a,fff)<<endl; else cout<<5+mod_exp(a,fff)<<endl; return 0; // for(int i=0; i<10; i++){ // for(int j=0; j<10; j++){ // p=4; // cout<<i<<" "<<j<<" "<<mod_exp(i,j)<<endl; // } // } // // cout<<(10)*(4/5)*(1/2)<<endl; // // return 0; // // ll a,b,c; // // cin>>a>>b>>c; // // a%=10LL; // // b%=4LL; // // cout<<prop(a,b,c)<<endl; // for(int test=1; test<=10000; test++){ // ll a,b,c; // // cin>>a>>b>>c; // a=randint(1000000000); // b=randint(1000000000); // c=randint(1000000000); // a%=10LL; // b%=4LL; // if(prop(a,b,c)<0LL || prop(a,b,c)>9) cout<<a<<" "<<b<<" "<<c<<endl; // } }
//#pragma GCC optimize("Ofast") //#pragma GCC optimize("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using db = double; using ld = long double; template<typename T> using V = vector<T>; template<typename T> using VV = vector<vector<T>>; #define fs first #define sc second #define pb push_back #define mp make_pair #define mt make_tuple #define eb emplace_back #define lb lower_bound #define ub upper_bound #define all(v) (v).begin(),(v).end() #define siz(v) (ll)(v).size() #define rep(i,a,n) for(ll i=a;i<(ll)(n);++i) #define repr(i,a,n) for(ll i=n-1;(ll)a<=i;--i) #define ENDL '\n' typedef pair<int,int> Pi; typedef pair<ll,ll> PL; constexpr ll mod = 1000000007; // 998244353; constexpr ll INF = 1000000099; constexpr ll LINF = (ll)(1e18 +99); const ld PI = acos((ld)-1); const vector<ll> dx={-1,1,0,0},dy={0,0,-1,1}; template<typename T,typename U> inline bool chmin(T& t, const U& u){if(t>u){t=u;return 1;}return 0;} template<typename T,typename U> inline bool chmax(T& t, const U& u){if(t<u){t=u;return 1;}return 0;} template<typename T> inline T gcd(T a,T b){return b?gcd(b,a%b):a;} inline void yes() { cout << "Yes" << ENDL; } inline void no() { cout << "No" << ENDL; } template<typename T,typename Y> inline T mpow(T a, Y n) { T res = 1; for(;n;n>>=1) { if (n & 1) res = res * a; a = a * a; } return res; } template <typename T> V<T> prefix_sum(const V<T>& v) { int n = v.size(); V<T> ret(n + 1); rep(i, 0, n) ret[i + 1] = ret[i] + v[i]; return ret; } template<typename T> istream& operator >> (istream& is, vector<T>& vec){ for(auto&& x: vec) is >> x; return is; } template<typename T,typename Y> ostream& operator<<(ostream& os,const pair<T,Y>& p){ return os<<"{"<<p.fs<<","<<p.sc<<"}"; } template<typename T> ostream& operator<<(ostream& os,const V<T>& v){ os<<"{"; for(auto e:v)os<<e<<","; return os<<"}"; } template<typename ...Args> void debug(Args&... args){ for(auto const& x:{args...}){ cerr<<x<<' '; } cerr<<ENDL; } ll dp[1<<8][100010]={}; signed main(){ cin.tie(0);cerr.tie(0);ios::sync_with_stdio(false); cout<<fixed<<setprecision(20); ll n,m;cin>>n>>m; V<ll> w(n),l(m),v(m);cin>>w; rep(i,0,m)cin>>l[i]>>v[i]; ll wlim=LINF;rep(i,0,m)chmin(wlim,v[i]); rep(i,0,n)if(w[i]>wlim){ cout<<-1<<ENDL; return 0; } rep(bit,0,1<<n){ ll wei=0; rep(i,0,n)if(bit & (1<<i))wei+=w[i]; rep(i,0,m){ dp[bit][i+1]=dp[bit][i]; if(v[i]<wei)chmax(dp[bit][i+1],l[i]); } } V<int> per(n); iota(all(per),0); ll ans=LINF; do{ V<ll> di(n,0); rep(i,0,n){ ll bit=(1<<per[i]); rep(j,i+1,n){ bit |= (1<<per[j]); chmax(di[j],di[i]+dp[bit][m]); } } chmin(ans,di[n-1]); }while(next_permutation(all(per))); cout<<ans<<ENDL; } //! ( . _ . ) ! //CHECK overflow,vector_size,what to output?
#include <bits/stdc++.h> using namespace std; #ifdef LOCAL #define DEBUG(...) debug(#__VA_ARGS__, __VA_ARGS__); #else #define DEBUG(...) 6; #endif template<typename T, typename S> ostream& operator << (ostream &os, const pair<T, S> &p) {return os << "(" << p.first << ", " << p.second << ")";} template<typename C, typename T = decay<decltype(*begin(declval<C>()))>, typename enable_if<!is_same<C, string>::value>::type* = nullptr> ostream& operator << (ostream &os, const C &c) {bool f = true; os << "["; for (const auto &x : c) {if (!f) os << ", "; f = false; os << x;} return os << "]";} template<typename T> void debug(string s, T x) {cerr << s << " = " << x << "\n";} template<typename T, typename... Args> void debug(string s, T x, Args... args) {cerr << s.substr(0, s.find(',')) << " = " << x << " | "; debug(s.substr(s.find(',') + 2), args...);} int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; long long C; cin >> n >> C; map<int, long long> mp; for (int i=0; i<n; i++) { int a, b, c; cin >> a >> b >> c; mp[a] += c; mp[b+1] -= c; } long long ret = 0, pref = 0; int ti = 0; for (auto &p : mp) { ret += (p.first - ti) * min(pref, C); ti = p.first; pref += p.second; } cout << ret << "\n"; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; #define maxn 200005 int n; ll a[maxn],sum[maxn]; int main(){ scanf("%d",&n); for(int i=1;i<=n;i++) scanf("%lld",&a[i]),sum[i]=sum[i-1]+a[i]; ll summ=0,maxx=a[1]; for(int i=1;i<=n;i++){ summ+=sum[i-1];maxx=max(maxx,a[i]); ll ans=summ+i*maxx+sum[i]; printf("%lld\n",ans); } return 0; }
#include <bits/stdc++.h> using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define p(x,y) pair<x,y> #define oset(x) tree<x, null_type, less<x>, rb_tree_tag, tree_order_statistics_node_update> #define all(x) (x).begin(),(x).end() #define ll long long #define scan(a) for(auto &it:a)cin>>it; #define print(a) {for(auto it:a)cout<<it<<" ";cout<<endl;} #define out(x) cout<<((x)?"YES":"NO")<<endl; #define rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end))) #define int ll void solve() { int n; cin>>n; vector<pair<double,double>> a; rep(i,0,n) { double t,l,r; int t1,l1,r1; cin>>t1>>l1>>r1; t=t1;r=r1;l=l1; if(t==2) r-=0.4; else if(t==3) l+=0.4; else if(t==4) l+=0.4,r-=0.4; a.push_back(make_pair(l,r)); // cout<<a[i].first<<" "; } int ans=0; rep(i,0,n) { if(a[i].first==-1) continue; double l1=a[i].first,r1=a[i].second,l2,r2; rep(j,i+1,n) { l2=a[j].first;r2=a[j].second; if(r1<l2||r2<l1) continue; ans++; } } cout<<ans; } int32_t main() { ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); int t=1; //init(); //cin>>t; while(t--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const ll INF = 1e18; const int inf = 1e9; #define rep(i, a, b) for (ll i = a; i < b; i++) #define per(i, a, b) for (int i = b - 1; i >= a; i--) #define all(a) (a).begin(), (a).end() using pint = pair<ll, ll>; int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; ll seen[200200]; int n; vector<vector<pint>> g(200200); int main() { cin >> n; rep(i, 0, n - 1) { ll u, v, w; cin >> u >> v >> w; --u, --v; g[u].push_back({w, v}); g[v].push_back({w, u}); } rep(i, 0, n) seen[i] = -1; seen[0] = 0; queue<ll> q; q.push(0); while (!q.empty()) { int now = q.front(); q.pop(); for (auto p : g[now]) { ll next = p.second, w = p.first; if (seen[next] == -1) { seen[next] = seen[now] ^ w; q.push(next); } } } ll ans = 0; const ll mod = 1e9 + 7; rep(i, 0, 60) { ll cnt0 = 0, cnt1 = 0; rep(j, 0, n) { if (seen[j] & 1LL << i) cnt1++; else cnt0++; } // cout << i << " : " << cnt0 << cnt1 << "\n"; ans = (ans + (1LL << i) % mod * cnt0 * cnt1 % mod) % mod; } cout << ans << "\n"; }
#include <bits/stdc++.h> using namespace std; using ll = long long; const int N = 400010, mod = 1e9 + 7; int e[N], ne[N], h[N], idx, w[N][61], n; ll tar, d[N][2], res; void add(int a, int b, long long c) { e[idx] = b, ne[idx] = h[a]; for (int i = 0; i < 60; ++i) { if (c & 1) w[idx][i] = 1; c /= 2; if (!c) break; } h[a] = idx++; } void go(int x, int fa) { d[x][0] = d[x][1] = 0; for (int i = h[x]; i != -1; i = ne[i]) { if (fa == e[i]) continue; go(e[i], x); if (w[i][tar]) { d[x][0] += d[e[i]][1]; d[x][1] += d[e[i]][0] + 1; } else { d[x][0] += d[e[i]][0] + 1; d[x][1] += d[e[i]][1]; } } res += d[x][1]; ll t = 0; for (int i = h[x]; i != -1; i = ne[i]) { if (fa == e[i]) continue; if (w[i][tar]) { res += (d[e[i]][0] + 1) * (d[x][0] - d[e[i]][1]); } else { res += d[e[i]][1] * (d[x][0] - d[e[i]][0] - 1); } } } int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> n; memset(h, -1, sizeof h); for (int i = 1; i < n; ++i) { int a, b; ll w; cin >> a >> b >> w; add(a, b, w); add(b, a, w); } ll ans = 0; for (int i = 0; i < 60; ++i) { tar = i; res = 0; go(1, -1); ans = (ans + res % mod * ((1ll << i) % mod) % mod) % mod; } cout << ans << '\n'; return 0; }
#include <iostream> #include <string> #include <vector> #include <queue> #include <deque> #include <stack> #include <set> #include <map> #include <unordered_map> #include <unordered_set> #include <cstring> #include <cmath> #include <cstdlib> #include <algorithm> #include <random> #include <iomanip> #include <functional> #include <cassert> #include <bitset> #include <chrono> using namespace std; typedef long long ll; const int Inf = 1e9; int main() { ios_base::sync_with_stdio(false); cin.tie(0); #ifdef LOCAL freopen("input.txt", "r", stdin); #endif int t; cin >> t; string go = "atcoder"; while (t--) { string s; cin >> s; int need = 0; int ans = Inf; for (int i = 0; i < (int)go.size(); ++i) { for (int j = i; j < (int)s.size(); ++j) { if (s[j] > go[i]) { ans = min(ans, need + j - i); } } int id = -1; for (int j = i; j < (int)s.size(); ++j) { if (s[j] == go[i]) { id = j; break; } } if (id == -1) break; s.erase(s.begin() + id); s.insert(s.begin() + i, go[i]); need += id - i; if (i == (int)go.size() - 1) { if (s.size() > go.size()) { ans = min(ans, need); } } } if (ans == Inf) { cout << "-1\n"; } else { cout << ans << '\n'; } } }
#include <bits/stdc++.h> using namespace std; void solve() { string s; cin>>s; int n=s.length(),x=0; while(x<n && s[x]=='a') x++; cout<<(x==n?-1:s>"atcoder"?0:x-(s[x]>'t'))<<endl; } int main() { //freopen("t","r",stdin); int test; cin>>test; while(test--) solve(); return 0; }
#include <bits/stdc++.h> #define endl '\n' #define INF 0x3f3f3f3f #define Inf 1000000000000000000LL #define LL long long #define pb push_back #define mp make_pair #define F first #define S second using namespace std; typedef pair<int,int>pii; int readint(){ int x=0,y=1;char c=getchar(); while((c<'0'||c>'9')&&c!='-')c=getchar(); if(c=='-')y=-1,c=getchar(); while(c>='0'&&c<='9')x=x*10+c-'0',c=getchar(); return x*y; } int n; int a[2510]; int main(){ cin>>n; if(n==3){ puts("6 10 15"); // 2*2*3 // 2*2 // 3*2 }else if(n==4){ puts("84 60 105 70"); }else{ int a[3]={6,10,15}; cout<<"6 10 15 "; // for(int i=4;i<=n;i++)cout<<4*i<<' '; int cnt=4; for(int i=16;i<=10000&&cnt<=n;i++){ int cur=0; if(i%2==0)cur++; if(i%3==0)cur++; if(i%5==0)cur++; if(cur>=2)cnt++,cout<<i<<' '; } puts(""); } return 0; }
#pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<unordered_set> #include<utility> #include<cassert> #include<complex> #include<numeric> #include<array> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; constexpr ll mod = 1000000007; const ll INF = mod * mod; typedef pair<int, int>P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acosl(-1.0); ll mod_pow(ll x, ll n, ll m = mod) { if (n < 0) { ll res = mod_pow(x, -n, m); return mod_pow(res, m - 2, m); } if (abs(x) >= m)x %= m; if (x < 0)x += m; ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n % mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, ll n) { if (n == 0)return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } modint operator/=(modint& a, modint b) { a = a / b; return a; } const int max_n = 1 << 1; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } modint combP(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[a - b]; } void solve() { int n; cin >> n; vector<int> ans; ans.push_back(6); ans.push_back(10); ans.push_back(15); for (int i = 1; i <= 10000; i++) { if (i == 6 || i == 10 || i == 15)continue; if (i % 6 == 0 || i % 10 == 0 || i % 15 == 0)ans.push_back(i); } rep(i, n) { if (i > 0)cout << " "; cout << ans[i]; } cout << "\n"; //cout << ans.size() << "\n"; } signed main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(10); //init_f(); //init(); //expr(); //int t; cin >> t; rep(i, t) solve(); return 0; }
#include <bits/stdc++.h> #define rep(begin, end) for (i=begin;i<end;i++) #define repj(begin, end) for (j=begin;j<end;j++) #define init(arr, end, val) for (i=0;i<end;i++) arr[i] = val; #define printint(i0, i1) printf("%d %d\n", i0, i1) using namespace std; typedef long long int ll; const int inf = 1000000000; const int mod = 1000000007; const int nil = -1; int i, j, n, x, k, ans; char c; int main() { scanf(" %d %d", &n, &x); rep(0,n+1) { scanf("%c", &c); if (c == 'x') x = max(x-1, 0); else if (c == 'o') x++; } printf("%d\n", x); }
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; constexpr ll MOD = 1000000007; #ifndef ONLINE_JUDGE template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " (" << x.first << " : " << x.second << ")" << ","; o << " }"; return o;} template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "["; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "]"; return o;} ostream &operator<<(ostream &o, const string &obj) {o << "\""; o << obj.c_str(); o << "\""; return o;} template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "(" << obj.first << ", " << obj.second << ")"; return o;} template <template <class tmp> class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} void print_sim_py(void) {cout << endl;} template <class Head> void print_sim_py(Head&& head) {cout << head;print_sim_py();} template <class Head, class... Tail> void print_sim_py(Head&& head, Tail&&... tail) {cout << head << " ";print_sim_py(forward<Tail>(tail)...);} #define print(...) print_sim_py(__VA_ARGS__); #else #define print(...); #endif template <typename... Ts> std::istream& IN(Ts&... xs){ return (std::cin >> ... >> xs); } #define repr(i, a, b) for (int i = a; i < b; i++) #define rep(i, n) for (int i = 0; i < n; i++) int main(void){ ios::sync_with_stdio(false); cin.tie(nullptr); ll n,x; IN(n,x); string s; IN(s); rep(i,n){ switch(s[i]){ case 'o': x++; break; case 'x': x=max(0ll,x-1); break; } } cout << x << endl; return 0; }
#include <bits/stdc++.h> #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using namespace std; namespace defines{ typedef long long ll; typedef pair<ll,ll> P; #define FOR(i,a,b) for(ll i = a ; i < b ; i++) // for i in range(a,b) #define REP(i,n) for(ll i = 0 ; i < n ; i++) // for i in range(b) #define FORD(i,a,b) for(ll i = a ; i > b ; i--) // for i in range(a,b,-1) #define ALL(x) x.begin(),x.end() template<class T> vector<T> make_vec(size_t a){return vector<T>(a);} template<class T, class... Ts> auto make_vec(size_t a, Ts... ts){ return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...));} template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){std::fill( (T*)array, (T*)(array+N), val );} /* for debug */ #define DEBUG(x) dbg(#x,x) template<class T> void dbg(string name, T x){cerr<<name<<": "<<x<<"\n";} template<> void dbg<P>(string name, P x){cerr<<name<<": ("<<x.first<<","<<x.second<<")\n";} template<class T> void dbg(string name, vector<T> xl){cerr<<name<<": "; for(T x: xl) cerr<<x<<" "; cerr<<'\n';} template<> void dbg<P>(string name, vector<P> xl){cerr<<name<<": "; for(P x:xl){cerr<<"("<<x.first<<","<<x.second<<"), ";}cerr<<"\n";} template<class T> void dbg(string name, vector<vector<T>> xl){ cerr<<name<<": \n"; int ml=1;for(vector<T> row: xl){for(T x:row){stringstream sstm; sstm<<x; ml=max(ml,(int)sstm.str().size());}}; for(vector<T> row: xl){{for(T x:row) cerr<<std::right<<std::setw(ml+1)<<x;} cerr << '\n';}} template<class T> void dbg(string name, set<T> xl){cerr<<name<<": "; for(T x:xl)cerr<<x<<" ";cerr<<'\n';} template<class T> void dbg(string name, multiset<T> xl){cerr<<name<<": "; for(T x:xl)cerr<<x;cerr<<'\n';} template<class T> void dbg(string name, unordered_set<T> xl){cerr<<name<<": "; for(T x:xl)cerr<<x<<" ";cerr<<'\n';} template<class T> void dbg(string name, unordered_multiset<T> xl){cerr<<name<<": "; for(T x:xl)cerr<<x;cerr<<'\n';} template<class T, class U> void dbg(string name, map<T,U> xl){cerr<<name<<": \n"; for(auto &[k,v]:xl)cerr<<" "<<k<<": "<<v<<'\n';} template<class T, class U> void dbg(string name, unordered_map<T,U> xl){cerr<<name<<": \n"; for(auto &[k,v]:xl)cerr<<" "<<k<<": "<<v<<'\n';} } using namespace defines; const int IINF = 1'001'001'001; const ll INF = 1'001'001'001'001'001'001ll; const int MOD = 1'000'000'007; // const int MOD = 998244353; // using mint = modint1000000007; // using mint = modint998244353; const ll max2=262145; // const ll max2=1025; bool comp[max2]; ll dp[max2]; ll n,m; vector<unordered_set<ll>> gl(20); const ll MAX=10000; ll rec(ll state){ if(dp[state]!=MAX) return dp[state]; if(comp[state]) return 1; for(ll t=state ; t>0 ; t=(t-1)&state){ if(t==state)continue; dp[state] = min(rec(t)+rec(t^state), dp[state]); } return dp[state]; } void solve(){ Fill(dp,MAX); cin>>n>>m; REP(i,m){ ll a,b; cin >> a >> b; a-=1;b-=1; gl[a].insert(b); gl[b].insert(a); } ll p2=pow(2,n); REP(i,p2){ vector<ll> vl; REP(j,n){ if((i>>j)%2==1)vl.push_back(j); } bool ok=true; REP(j1, vl.size()){ REP(j2, vl.size()){ if(j1==j2)continue; if( gl[vl[j1]].find(vl[j2])==gl[vl[j1]].end() ) { ok=false; break; } } } comp[i]=ok; } cout<<rec(p2-1)<<endl; // vector<int> aaa(begin(dp),end(dp)); // DEBUG(aaa); // vector<int> aa(begin(comp),end(comp)); // DEBUG(aa); // DEBUG(aa[65]); } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define nl "\n" #define nf endl #define ll long long #define pb push_back #define _ << ' ' << #define y1 bfrsoihgdfnm #define INF (ll)1e18 #define mod 998244353 #define maxn 210 ll i, i1, j, k, k1, t, n, m, res, flag[10], a[maxn], b; ll x1, y1, x, y, kn[maxn][maxn]; bool vis[maxn]; vector<ll> parent[maxn][maxn], rs[2]; ll bk(ll x, ll p) { if (p == 1) return (((x - a[i]) % 200) + 200) % 200; else return x; } int main() { ios::sync_with_stdio(0); cin.tie(0); #if !ONLINE_JUDGE && !EVAL ifstream cin("input.txt"); ofstream cout("output.txt"); #endif cin >> n; for (i = 1; i <= n; i++) { cin >> a[i]; } kn[0][0] = 1; for (i = 1; i <= n; i++) { for (j = 0; j <= 199; j++) { k = (j + a[i]) % 200; kn[i][k] += kn[i - 1][j]; kn[i][k] = min((ll)2, kn[i][k]); if (kn[i - 1][j] > 0) parent[i][k].pb(1); k = j; kn[i][k] += kn[i - 1][j]; kn[i][k] = min((ll)2, kn[i][k]); if (kn[i - 1][j] > 0) parent[i][k].pb(0); } } m = -1; for (j = 0; j <= 199; j++) { if (kn[n][j] == 2) { m = j; break; } } if (m == -1) { cout << "NO" << nl; return 0; } k = m; i = n; while (parent[i][k].size() == 1) { k = bk(k, parent[i][k][0]); i--; } x = bk(k, parent[i][k][0]); y = bk(k, parent[i][k][1]); if (parent[i][k][0] == 1) rs[0].pb(i); else rs[1].pb(i); i--; while (i >= 1) { x1 = parent[i][x][0]; y1 = parent[i][y][0]; x = bk(x, x1); y = bk(y, y1); if (x1 == 1) rs[0].pb(i); if (y1 == 1) rs[1].pb(i); i--; } sort(rs[0].begin(), rs[0].end()); sort(rs[1].begin(), rs[1].end()); if ((ll)rs[0].size() + (ll)rs[1].size() == n) { if (rs[0].empty()) { rs[0].pb(rs[1].back()); rs[1].pop_back(); } else if (rs[1].empty()) { rs[1].pb(rs[0].back()); rs[0].pop_back(); } } else { for (auto u : rs[0]) vis[u] = true; for (auto u : rs[1]) vis[u] = true; for (i = 1; i <= n; i++) { if (!vis[i]) { k = i; break; } } if (rs[0].empty() || rs[1].empty()) { rs[0].pb(k); rs[1].pb(k); } } sort(rs[0].begin(), rs[0].end()); sort(rs[1].begin(), rs[1].end()); cout << "YES" << nl; cout << rs[0].size() << ' '; for (auto u : rs[0]) cout << u << ' '; cout << nl; cout << rs[1].size() << ' '; for (auto u : rs[1]) cout << u << ' '; return 0; }
/******************************************************************** * @brief https://atcoder.jp/contests/abc145/tasks/abc145_c * @date 2020/10/16 *********************************************************************/ #include <bits/stdc++.h> //全てのヘッダファイルをインクルード using namespace std; //ループ #define rep(i, n) for(int i = 0; i < (n); i++) //普通のループ #define repr(i, n) for(int i = n; i >= 0; i--) //逆ループ //型名省略 typedef long long ll; //値 static const ll MX = 100005; static const ll MX_ll = 1e18; const double PI = acos(-1); //π using namespace std; //ソート #define SIZE_OF_ARRAY(array) (sizeof(array)/sizeof(array[0])) int main(){ int n; cin >> n; vector<int> b(n); rep(i,n) b[i] = 0; rep(i,n){ int tmp; cin >> tmp; tmp--; b[tmp]++; } int chk = 0; rep(i,n){ if(b[i]!=1){ chk=1; break; } } if(chk==1) cout << "No" << endl; else cout << "Yes" << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; const ld eps = 1e-8; #define len(x) ((int)x.size()) #define rep(i,n) for (int i = -1; ++ i < n; ) #define rep1(i,n) for (int i = 0; i ++ < n; ) #define be(a) (a).begin(), (a).end() // #define constexpr(...) (__VA_ARGS__) // DEBUGING TEMPLETE ////////////////////////////////////////////////////////////////////////{{{ #define db(val) "["#val" = "<<(val)<<"] " #define CONCAT_(x, y) x##y #define CONCAT(x, y) CONCAT_(x, y) #ifdef LOCAL_DEBUG # define clog cerr << flush << string(__db_level * 2, ' ') # define DB() debug_block CONCAT(dbbl, __LINE__) int __db_level = 0; struct debug_block { debug_block() { clog << "{" << endl; ++__db_level; } ~debug_block() { --__db_level; clog << "}" << endl; } }; #else # define clog if (0) cerr # define DB(...) #endif template<class U, class V> ostream& operator<<(ostream& out, const pair<U, V>& p) { return out << "(" << p.first << ", " << p.second << ")"; } template<size_t i, class T> ostream& print_tuple_utils(ostream& out, const T& tup) { if constexpr(i == tuple_size<T>::value) return out << ")"; else return print_tuple_utils<i + 1, T>(out << (i ? ", " : "(") << get<i>(tup), tup); } template<class ...U> ostream& operator<<(ostream& out, const tuple<U...>& tup) { return print_tuple_utils<0, tuple<U...>>(out, tup); } template<class Con, class = decltype(begin(declval<Con>()))> typename enable_if<!is_same<Con, string>::value, ostream&>::type operator<<(ostream& out, const Con& container) { out << "{"; for (auto it = container.begin(); it != container.end(); ++it) out << (it == container.begin() ? "" : ", ") << *it; return out << "}"; } // ACTUAL SOLUTION START HERE ////////////////////////////////////////////////////////////////}}} int main(void) { #ifdef LOCAL freopen("main.inp", "r", stdin); freopen("main.out", "w", stdout); freopen(".log", "w", stderr); #endif ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; vector<int> a(n); rep(i, n) cin >> a[i]; vector<vector<int>> pos(n); rep(i, n) pos[a[i]].push_back(i); rep(ans, n) { int prev = -1; for (auto i: pos[ans]) { if (i - prev - 1 >= m) { cout << ans << '\n'; return 0; } prev = i; } if (n - prev - 1 >= m) { cout << ans << '\n'; return 0; } } cout << n; return 0; } // vim: foldmethod=marker
#include<iostream> #include<algorithm> #include<string> using namespace std; int ri(){ int n; scanf("%d", &n); return n; } int main(){ int h = ri(); int w = ri(); int x = ri() - 1; int y = ri() - 1; string s[h]; for(auto &i : s) cin >> i; int cnt = -3; for(int i = x; i < h && s[i][y] != '#'; i++) cnt++; for(int i = x; i >= 0 && s[i][y] != '#'; i--) cnt++; for(int j = y; j < w && s[x][j] != '#'; j++) cnt++; for(int j = y; j >= 0 && s[x][j] != '#'; j--) cnt++; printf("%d\n", cnt); return 0; }
#include<bits/stdc++.h> using namespace std; int main(){ int h,w,x,y;cin>>h>>w>>x>>y; --x,--y; vector<string> s(h); int ans=1; for(int i=0;i<h;i++)cin>>s[i]; const int dx[]={-1,1,0,0}; const int dy[]={0,0,-1,1}; for(int i=0;i<4;i++){ for(int j=1;j<200;j++){ int nx=x+dx[i]*j,ny=y+dy[i]*j; if(nx<0 or nx>h-1 or ny<0 or ny>w-1)break; if(s[nx][ny]=='#')break; ans++; } } cout<<ans<<endl; return 0; }
#include <bits/stdc++.h> // #include <atcoder/all> #define rep(i,n) for(int i = 0; i < (n); ++i) #define srep(i,s,t) for(int i = s; i < t; ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) using namespace std; // using namespace atcoder; typedef long long int ll; typedef pair<int,int> P; #define yn {puts("Yes");}else{puts("No");} #define MAX_N 200005 const ll MOD = 998244353; int main() { ll n; cin >> n; ll a[n] = {}; rep(i,n) cin >> a[i]; sort(a,a+n); ll ans = 0; ll now = 0; rep(i,n){ ans += now * a[i] % MOD; ans += a[i]*a[i]; ans %= MOD; now = (now*2 + a[i]) % MOD; } cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define PB push_back #define MP make_pair #define F first #define S second #define SZ(a) (int)(a.size()) #define ALL(a) a.begin(),a.end() #define SET(a,b) memset(a,b,sizeof(a)) #define off ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) typedef pair<int,int> II; typedef vector< II > VII; typedef vector<int> VI; typedef vector< VI > VVI; typedef long long int LL; typedef vector<LL> VL; #define si(n) cin>>n #define dout(n) cout<<n<<"\n" #define DRT() int t; si(t); while(t--) #define rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end))) //# define M_PI 3.14159265358979323846264338327950288 // DSU void IO(){ #ifndef ONLINE_JUDGE freopen("../input.txt", "r", stdin); freopen("../output.txt", "w", stdout); #endif mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); off; } LL n,m; VL arr; VL brr; map<int, VI> occ; LL dp[1005][1005]; LL rec(LL ind, LL bind){ if(ind == n || bind == m){ return max(n - ind, m - bind); } if(dp[ind][bind] != -1) return dp[ind][bind]; LL ans = 0; ans = rec(ind+1, bind+1) + (arr[ind] != brr[bind]); LL tt = 1 + min(rec(ind, bind+1), rec(ind+1, bind)); return dp[ind][bind] = min(ans,tt); } int main(){ IO(); cin>>n>>m; arr.resize(n);brr.resize(m); rep(i,0,n){ cin>>arr[i]; } rep(i,0,m){ cin>>brr[i]; // occ[brr[i]].PB(i); } rep(i,0,1005){ rep(j,0,1005){ dp[i][j] = -1; } } cout<<rec(0, 0); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { unsigned long long cyanmond; cin >> cyanmond; vector<unsigned long long> cyankawaii(cyanmond); for (unsigned long long mohumohu = 0; mohumohu < cyanmond; mohumohu++) { cin >> cyankawaii.at(mohumohu); } vector<unsigned long long> cyan(cyanmond+1, 0); for (unsigned long long i = 0; i < cyanmond; ++i){cyan[i+1] = cyan[i] + cyankawaii[i];} unsigned long long kawaiicyan = 0; unsigned long long cyankawaisugi = 0; for (unsigned long long i = 1; i <= cyanmond; i++) { kawaiicyan=max(kawaiicyan, cyankawaii.at(i - 1)); cyankawaisugi = cyankawaisugi + cyan.at(i - 1); cout << kawaiicyan * i + cyankawaisugi + cyan.at(i) << endl; } }
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; using i64 = long long; #define forn(a, e) for (i64 a = 0; a < (i64)(e); a++) #define forr(a, s, e) for (i64 a = s; a < (i64)(e); a++) #define fore(e, a) for (auto& e : a) #ifdef LOCAL #define logv(a) {cerr << #a << " = "; fore(e, a) {cerr << e << " ";} cerr << "\n";} #define logvp(a) {cerr << #a << " = "; fore(e, a) {cerr << "(" << e.first << ", " << e.second << ") ";} cerr << "\n";} #define logvv(a) {cerr << #a << " = \n"; fore(r, a) { fore(e, r) {cerr << e << " ";} cerr << "\n";} } #define logvf(a, field) {cerr << #a"."#field << " = \n"; fore(e, a) { cerr << e.field << " ";} cerr << "\n"; } #define logvff(a, f1, f2) {cerr << #a".{"#f1 << ", "#f2 << "} = \n"; fore(e, a) { cerr << "(" << e.f1 <<", " << e.f2 << ") ";} cerr << "\n"; } #define logs(a) cerr << #a << " = " << (a) << "\n"; #define logss(a, b) cerr << #a << " = " << (a) << ", " << #b << " = " << (b) << "\n"; #define logp(a) cerr << #a << " = " << "(" << a.first << ", " << a.second << ")" << "\n"; #define cond(pred, stmt) if (pred) { stmt } #else #define logv(a) #define logvp(a) #define logvv(a) #define logvf(a, field) #define logvff(a, f1, f2) #define logs(a) #define logss(a, b) #define logp(a) #define cond(pred, stmt) #endif using iip = pair<int, int>; using llp = pair<i64, i64>; using ivec = vector<int>; using llvec = vector<i64>; using svec = vector<string>; template<typename T> using vec = vector<T>; template<typename T, typename Dim> auto make_vec(T value, Dim dim) { return vector<T>(dim, value); } template<typename T, typename Dim1, typename... Dim> auto make_vec(T value, Dim1 dim1, Dim... dims) { return make_vec(make_vec(value, dims...), dim1); } template<typename T> bool uax(T& v, const T& newv) { if (v < newv) { v = newv; return true; } else return false; } template<typename T> bool uin(T& v, const T& newv) { if (v > newv) { v = newv; return true; } else return false; } template<typename T> istream& operator>>(istream& is, vector<T>& c) { for (auto& e : c) is >> e; return is; } template<typename T, size_t N> istream& operator>>(istream& is, array<T, N>& c) { for (auto& e : c) is >> e; return is; } template<typename ...T> istream& read(T&... args) { return (cin >> ... >> args); } static mt19937 rande(123123); template<typename T> T rand_int(T from, T to) { uniform_int_distribution<T> distr(from, to); return distr(rande); } // const i64 INF = 2e18; const int INF = 2e9; const __int128_t M = 998244353; const int MXB = 20; using bin = bitset<MXB + 1>; const double EPS = 1e-8; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); rande.seed(chrono::steady_clock::now().time_since_epoch().count()); int n; while (read(n)) { llvec a(n); read(a); auto sa = a; partial_sum(sa.begin(), sa.end(), sa.begin()); auto ma = a; partial_sum(ma.begin(), ma.end(), ma.begin(), [](auto a, auto b) { return std::max(a, b); }); i64 lv = 0; forn(i, n) { auto res = lv + sa[i] + (i + 1) * ma[i]; std::cout << res << "\n"; lv += sa[i]; } } }
#include <bits/stdc++.h> #include <sys/time.h> #pragma GCC optimize "O3,omit-frame-pointer,inline" #define REP(i, n) for(int i = 0;i < n;i++) #define ll long long using namespace std; //typedef vector<unsigned int>vec; //typedef vector<ll>vec; //typedef vector<vec> mat; typedef pair<int, int> P; typedef pair<ll,ll> LP; //const int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1}; //const int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1}; const int INF = 1000000000; const ll LINF = 1000000000000000000;//1e18 const ll MOD = 1000000007; const double PI = acos(-1.0); const double EPS = 1e-10; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } //template<class T> inline void add(T &a, T b){a = ((a+b) % MOD + MOD) % MOD;}; constexpr ll CYCLES_PER_SEC = 2800000000; constexpr double TL = 1990; double get_ms() { struct timeval t; gettimeofday(&t, NULL); return (double)t.tv_sec * 1000 + (double)t.tv_usec / 1000; } constexpr int dh[4] = {-1, 0, 1, 0}; constexpr int dw[4] = {0, 1, 0, -1}; constexpr char MOVE[4] = {'U', 'R', 'D', 'L'}; uint32_t XorShift(void) { static uint32_t x = 123456789; static uint32_t y = 362436069; static uint32_t z = 521288629; static uint32_t w = 88675123; uint32_t t; t = x ^ (x << 11); x = y; y = z; z = w; return w = (w ^ (w >> 19)) ^ (t ^ (t >> 8)); } double Prob(void){ double ret = (double)XorShift() / UINT_MAX; return ret; } namespace AHC004{ int N, M; vector<string> S; void input(){ cin >> N >> M; S.resize(M); REP(i,M) cin >> S[i]; } void output(){ REP(i,N) cout << string(N, 'A') << endl; } void main(){ input(); output(); } } int main(){ cin.tie(0); ios::sync_with_stdio(false); AHC004::main(); }
#include<algorithm> #include<bitset> #include<cmath> #include<complex> #include<deque> #include<functional> #include<iomanip> #include<iostream> #include<iterator> #include<map> #include<numeric> #include<queue> #include<set> #include<stack> #include<string> #include<unordered_map> #include<unordered_set> #include<utility> #include<vector> #include<chrono> using namespace std; #define rep(i,n) for(int i=0; i<(n); i++) #define FOR(i,x,n) for(int i=x; i<(n); i++) #define vint(a,n) vint a(n); rep(i, n) cin >> a[i]; #define vll(a,n) vll a(n); rep(i, n) cin >> a[i]; #define ALL(n) begin(n),end(n) #define RALL(n) rbegin(n),rend(n) #define MOD (1000000007) // #define MOD (998244353) #define INF (2e9) #define INFL (2e18) typedef long long ll; typedef unsigned int ui; typedef unsigned long long ull; using vint=vector<int>; using vll=vector<ll>; using vbool=vector<bool>; template<class T>using arr=vector<vector<T>>; template<class T>int popcount(T &a){int c=0; rep(i, 8*(int)sizeof(a)){if((a>>i)&1) c++;} return c;} template<class T>void pl(T x){cout << x << " ";} template<class T>void pr(T x){cout << x << endl;} template<class T>void prvec(vector<T>& a){rep(i, a.size()-1){pl(a[i]);} pr(a.back());} template<class T>void prarr(arr<T>& a){rep(i, a.size()) if(a[i].empty()) pr(""); else prvec(a[i]);} template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } int main() { double a, b, x, y; cin >> a >> b >> x >> y; double ans = a + (x-a)*b/(y+b); printf("%.20lf\n", ans); return 0;}
#include <bits/stdc++.h> using namespace std; using ll = long long; using pll = pair<long long, long long>; constexpr char ln = '\n'; constexpr long long MOD = 1000000007; constexpr long long INF = 1000000000 + 100; constexpr long long LINF = 1000000000000000000 + 100; #define all(v) v.begin( ), v.end() #define rep(i,n) for(int i=0;i<(n);i++) #define rept(i, j, n) for(int i=(j); i<(n); i++) #define rrep(i, n) for(int i=(n); i>=0; i--) template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } /* 辞書順でK番目のものを答えよ、という問題と同様の解き方で解く(あってた) どうやってsumごとの組み合わせ数を数えるか⇒DP+いもす法(わからなかった) Nが変動して貪欲できないのでDPという発想が自然かもしれない */ ll dp[4][3010101]; int main(){ ll N, K; cin >> N >> K; dp[0][0] = 1; rep(cnt, 3){ rep(sum, 2010101){ //何故2*1e6なのか? -> dp[2][sum]の最大値が200000だから //imos法 dp[cnt+1][sum+1] += dp[cnt][sum]; dp[cnt+1][sum+N+1] -= dp[cnt][sum]; } rept(sum, 1, 3010101){ dp[cnt+1][sum] += dp[cnt+1][sum-1]; } } ll cu = 0; //総和を確定させる int sum = -1; //3つの数の総和。最大1e6*3 for(int i=3; i<3010101; i++){ if(K <= cu + dp[3][i]){//グループの範囲内かどうか sum = i; break; } cu += dp[3][i]; } rep(i, sum) K -= dp[3][i]; //総和未満のグループ合計値を引く cu = 1; int ans_a = -1; //aを全探索 rept(a, 1, N+1){ if(K < cu + dp[2][sum - a]){ //dp[2][sum-a]:aを固定してb,cを選んだときの総和の場合の数 ans_a = a; break; } cu += dp[2][sum-a]; } rept(i, 1, ans_a) K -= dp[2][sum - i]; cu = 1; int ans_b = -1; //bを全探索 rept(b, 1, N+1){ if(K < cu + dp[1][sum - ans_a - b]){ ans_b = b; break; } cu += dp[1][sum - ans_a - b]; } int ans_c = sum - ans_a - ans_b; cout << ans_a << " " << ans_b << " " << ans_c << ln; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define int ll #define pb push_back #define pii pair<int, int> #define all(x) (x).begin(), (x).end() #define F first #define S second #define SF S.F #define SS S.S const int N=3000006, inf=1e6, P=1e9+7; int n,m,w,d,k,x,y,q,fac[N],inv[N],ans; vector<int> v; inline ll C(int n, int m) { if (n < 0 || m > n) return 0; return fac[n] * inv[m] % P * inv[n-m] % P; } main(){ios_base::sync_with_stdio(false), cin.tie(0); inv[0] = fac[0] = inv[1] = fac[1] = 1; for (int i = 2;i <= N-6; i++) inv[i] = (P - P / i) * inv[P % i] % P; for (int i = 2;i <= N-6; i++) fac[i] = fac[i-1] * i % P, inv[i] = inv[i-1] * inv[i] % P; cin>>n>>m>>k; if(n>m+k)return !(cout<<0); cout<<(C(n+m, n)-C(n+m, n-(k+1))+P)%P; }
/* ALLAH IS ALMIGHTY ******BISMILLAHIR RAHMANIR RAHIM.****** ALLAH IS ALMIGHTY ``````````````````````````````` AUTHOR: ANISUR RAHAMAN BSMRSTU(SHIICT) ID:017 ............LET's START OUR JOURNEY............. */ #include <bits/stdc++.h> #define I_O \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); //~~~~~~~~~~~~ Sort Form Of Long~~~~~~~~~~~// #define ll long long int #define lls int64_t #define ld long double #define db double #define ull unsigned long long int //~~~~~~~~~~~~~~Pair~~~~~~~~~~~~~~~~~~// #define pii pair<int, int> #define pll pair<ll, ll> #define pdd pair<db, db> #define psi pair<string, int> #define vi vector<int> #define vl vector<ll> #define vd vector<db> #define vs vector<string> #define vb vector<bool> #define vpi vector<pii> #define vpl vector<pll> #define vpd vector<pdd> #define vpsi vector<psi> //~~~~~~~~~~~~~~Vector~~~~~~~~~~~~~~~~~// #define pb push_back #define pf push_front #define MP make_pair #define in insert #define ff first #define ss second #define al(v) v.begin(), v.end() #define alr(v) v.rbegin(), v.rend() #define srt(v) sort(al(v)) #define srtr(v) sort(al(v), greater<int>()); #define len(x) ((ll)(x).length()) #define sz(x) ((ll)(x).size()) #define rev(v) reverse(al(v)) #define btcnt(n) __builtin_popcount(n) #define acl(v, n) accumulate(al(v), n) #define eb emplace_back #define lb(v, kk) lower_bound(al(v), kk) #define ub(v, kk) upper_bound(al(v), kk) #define tpu(str) transform(al(str), str.begin(), ::toupper) #define tpl(str) transform(al(str), str.begin(), ::tolower) #define cignr cin.ignore(numeric_limits<streamsize>::max(), '\n'); #define mxv(v) *max_element(al(v)) #define mnv(v) *min_element(al(v)) const int MOD = 1e9 + 7; const ll INF = 2e18; const int mxn = 2e9 + 9; const int mxd = 2e5 + 5; const int mxa = 1e5 + 5; //~~~~~~~~~~~~~~~~~~Function~~~~~~~~~~~~~~~~~~~~// lls gcd(lls a, lls b) { if (b == 0LL) return a; return gcd(b, a % b); } lls lcm(lls a, lls b) { return (a / gcd(a, b) * b); } //~~~~~~~~~~~~~~~Loops and Short~~~~~~~~~~~~~~~~// #define PI acos(-1) #define Cn continue #define Br break #define off return 0 #define N '\n' #define WT(somthing) \ auto az = something; \ cout << az << N; #define WTS(something) cout << something << N; #define rep(i, n) for (lls i = 0; (lls)i < n; i++) #define repn(i, a, b) for (lls i = (lls)(a); i < (lls)(b); i++) #define repr(i, a, b) for (lls i = (lls)(a)-1; i >= (lls)(b); i--) #define test_case() int T; T = 1; while (T--) using namespace std; lls maxll(lls x, lls y) { return x > y ? x : y; } lls minll(lls x, lls y) { return x < y ? x : y; } // ===================================~~~~~~ SOLUTION STARTS HERE ~~~~~~=================================== // //int a, b, c, d, e, res = 0, ans = 0, prod = 1, n, m, cnt = 0, k, l, r, s, t, x, y, f, i, j, p; void Run_Case() { int n; cin >> n; vi a(n), b(n), c(n); rep (i, n) cin >> a[i]; rep (i, n) cin >> b[i]; rep (i, n) cin >> c[i]; vi va; map <int, int> ma, mb; rep (i, n) { ma[b[c[i] - 1]]++; } ull cnt = 0; rep (i, n) { if (ma[a[i]]) cnt += ma[a[i]]; } cout << cnt << N; } int main() { I_O test_case() { Run_Case(); } off; }
#include<bits/stdc++.h> using namespace std; typedef int64_t ll; const int N=5e5+10; int c[N]; vector<ll>p[N]; ll min1(ll a,ll b) { if(a<b) return a; else return b; } ll lb(ll x) { return x&(-x); } void add(int x,int d) {for(;x<N;x+=lb(x))c[x]+=d;} int geti(ll x) { int r=0; for(;x;x-=lb(x)) r+=c[x]; return r; } void sset(int x) { if(geti(x)-geti(x-1)==0) add(x,1); } void reset(int x) { if(geti(x)-geti(x-1)==1) add(x,-1); } //单点修改 就是变得能走还是不能走 int main() { ll n,m,k; cin>>n>>m>>k; ll x, y, mx = n + 1, my = m + 1; for(ll i=1;i<=k;i++) { cin>>x>>y; p[x].push_back(y); if(x==1) my=min1(y,my); if(y==1) mx=min1(x,mx); } for(ll i=1;i<=mx;i++) sort(p[i].begin(),p[i].end()); // cout<<endl<<"mx="<<mx<<' '<<"my="<<my<<endl; for(ll i=1;i<=m;i++) sset(i); for(ll y=my;y<=m;y++) reset(y); ll ans = 0; if(!p[1].empty()) { ans+=p[1][0]-1; //cout<<' '<<ans<<' '<<endl; } else ans+=m; //cout<<endl; //cout<<ans<<endl ; for(ll x=2;x<=n;x++) { for (ll y: p[x]) reset(y); if (x < mx) { if (p[x].empty()) { ans += m; //这一行都可以走 // cout<<x<<' '<<ans<<endl; } else { ans += p[x][0] - 1; // cout<<x<<' '<<ans<<endl; ans += geti(m)-geti(p[x][0]); // cout<<x<<' '<<ans<<endl; } } //上面的都没问题 //reset的位置都能存到下一个 else { if(p[1].empty()) ans += geti(m); else ans+=geti(p[1][0]-1); // cout<<x<<' '<<ans<<endl; } } cout<<ans; return 0; }
#include<bits//stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define req(i,n) for(int i = 1;i <= n; i++) #define rrep(i,n) for(ll i = n-1;i >= 0;i--) #define ALL(obj) begin(obj), end(obj) #define RALL(a) rbegin(a),rend(a) typedef long long int ll; typedef long double ld; const int MAX = 510000; const ll MOD = 1000000007; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } const ll INF = 1e18; int main(){ int n;string s;cin>>n>>s; stack<char> st; rep(i,n){ st.push(s[i]);string t; if(st.size()>=3){ rep(j,3){ t.push_back(st.top());st.pop(); }if(t!="xof"){ rep(i,3) st.push(t[2-i]); } } }cout << st.size()<<endl; }
#include <bits/stdc++.h> using namespace std; main() { int H, W; cin >> H >> W; assert(2<=H && H<=100); assert(2<=W && W<=100); vector<string> S(H); for(string& s: S) cin >> s; int ans{}; for(string s: S) for(int j{}; j < W-1; j++) if(s.substr(j,2) == "..") ans++; assert(0 <= ans && ans <= H*(W-1)); for(int j{}; j < W; j++) for(int i{}; i < H-1; i++) if(S[i][j]=='.' && S[i+1][j]=='.') ans++; assert(0 <= ans && ans <= H*(W-1)+(H-1)*W); cout << ans; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/trie_policy.hpp> #include <ext/rope> using namespace std; using namespace __gnu_pbds; using namespace __gnu_cxx; #define fef(i,a,b) for(ll i=a;i<=b;i++) #define rer(i,a,b) for(ll i=b;i>=a;i--) #define wew while(true) #define FILE_IN "D.inp" #define FILE_OUT "D.out" #define ofile freopen(FILE_IN,"r",stdin);freopen(FILE_OUT,"w",stdout) #define fio ios::sync_with_stdio(0);cin.tie(0);cout.tie(0) #define MOD (ll(1000000007)) #define INF (ll(1000000007)) #define MAXN 300011 #define x first #define y second #define pii pair<int,int> #define piii pair<int,pii> #define pb push_back #define endl "\n" template<typename T> tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update> order_set; typedef trie<string,null_type,trie_string_access_traits<>,pat_trie_tag,trie_prefix_search_node_update> order_trie; typedef long long ll; class DisjointSet{ public: vector<int> parent; DisjointSet(int n): parent(n) { for(int i=0; i<n; i++) parent[i] = i; } void join(int a, int b) { parent[find(b)] = find(a); } int find(int a){ return a == parent[a] ? a : parent[a] = find(parent[a]); } bool check(int a, int b){ return find(a) == find(b); } }; //---------END-------// template<typename T> void read(T &X){ X=0; char c; int sign=1; c=getchar(); if (c=='-') sign=-1;else X=X*10+c-'0'; while ((c=getchar()) && ('0'<=c) && (c<='9')) X=X*10+c-'0'; } ll N,x,M,H,T; vector<ll> A; int main(){ //ofile; cin >> N; for (ll i=1;i*i<=N;i++) if (N%i==0){ A.pb(i); if (N/i!=i) A.pb(N/i); } sort(A.begin(),A.end()); for (ll i:A) cout << i << endl; }
#include <bits/stdc++.h> using namespace std; int main() { string x; getline(cin,x); int v=0,i=0; while(v!=1&&i<x.size()) { if(x[i]=='.') v=1; i++; } if(v==1) for(int j=0;j<i-1;j++) cout<<x[j]; else for(int j=0;j<x.size();j++) cout<<x[j]; return 0; }
//缓缓飘落的枫叶像思念,我点燃烛火温暖岁末的秋天。 //堆排序找top k; #include<bits/stdc++.h> #define IO ios::sync_with_stdio(0);cin.tie(0); using namespace std; typedef long long ll; const ll N=2e6; int a[5]; int main() { cin>>a[1]>>a[2]>>a[3]; sort(a+1,a+4); if(a[3]-a[2]==a[2]-a[1])cout<<"Yes"; else cout<<"No"; }
#include <bits/stdc++.h> using namespace std; int main() { cin.tie(NULL); ios_base::sync_with_stdio(false); vector<int> a(3); int sum = 0; for (int&x : a) cin >> x, sum += x; sort(a.begin(), a.end()); if (sum % 3 != 0 || sum/3 != a[1]) cout << "No"; else cout << "Yes"; return 0; }
//====================Template================== #include <bits/stdc++.h> // #include <boost/lexical_cast.hpp> // for lexical_cast() using namespace std; #define endl '\n' #define ll long long int #define ld long double #define mod 1000000007 #define pb push_back #define ff first #define ss second #define inf 1e18 #define mid(l, r) (l+(r-l)/2) #define loop(i, a, b) for(int i=(a); i<b; i++) #define loopr(i, a, b) for(int i=(a); i>b; i--) #define sz(a) int((a).size()) #define all(c) c.begin(), c.end() #define allr(c) c.rbegin(), c.rend() #define tr(container, it) \ for(typeof(container.begin()) it = container.begin(); it != container.end(); it++) #define present(container, element) \ (container.find(element) != container.end()) #define vpresent(container, element) \ (find(all(container),element) != container.end()) #define print(dp, n); \ loop(i, 0, n){cerr << dp[i] << " ";}cerr << endl; #define print2(dp, a, n, b, m); \ loop(i, a, n){loop(j, b, m){cerr << dp[i][j] << " ";}cerr << endl;} #define countetbits(i)\ __builtin_popcount(i) typedef vector< long long int > vl; typedef vector< int > vi; typedef vector< string > vs; typedef vector< double > vd; typedef vector< vi > vvi; typedef vector< vl > vvl; typedef pair< ll,ll > pll; typedef pair< int, int> pii; //sieve of eratosthenes vector<int> smallest_factor; vector<bool> prime; vector<int> primes; const int P_MAX = int(1e5) + 5; void sieve(int maximum) { maximum = max(maximum, 1); smallest_factor.assign(maximum + 1, 0); prime.assign(maximum + 1, true); prime[0] = prime[1] = false; primes = {}; for (int p = 2; p <= maximum; p++) if (prime[p]) { smallest_factor[p] = p; primes.push_back(p); for (int64_t i = int64_t(p) * p; i <= maximum; i += p) if (prime[i]) { prime[i] = false; smallest_factor[i] = p; } } } // __gcd(m, n) ll gcd(ll a, ll b) { while (true) { if (a == 0) return b; b %= a; if (b == 0) return a; a %= b; } } ll lcm(ll a, ll b) { ll temp = gcd(a, b); return temp ? (a / temp * b) : 0; } template <class A, class B> auto findMin(A a, B b) -> decltype(a < b ? a : b) { return (a < b) ? a : b; } //Type Inference refers to automatic deduction of the data type of an expression in a programming language. //Auto lets you declare a variable with particular type whereas decltype lets you extract the type from the variable so decltype is sort of an operator that evaluates the type of passed expression. void file_i_o(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout); freopen("cerr.txt", "w", stderr); #endif } // lexical_cast() converts a int into string // string stri = boost::lexical_cast<string>(i_val); //===========================Template Ends================================== ll modd = 1000000009; ll n, k, q; ll dp[100005]; void run_case(){ cin >> n; ll rem = n%100; cout << 100-rem << endl; } int main(){ clock_t begin = clock(); // sieve(P_MAX); file_i_o(); int tests = 1; // int tests; // cin >> tests; while(tests-- > 0) run_case(); #ifndef ONLINE_JUDGE clock_t end = clock(); cout << "\n\nExecuted In: " << double(end - begin) /CLOCKS_PER_SEC << " seconds" << endl; #endif return 0; } //Debug //1. input for test //2. look for type conversion, char to int //3. look for declaration of large arrays.
#include<iostream> using namespace std; int main() { int n; cin>>n; if(n%100 == 0) { if(n>=100 || n==0) cout<<"100"; else cout<<"0"; } else { cout<<100-(n%100); } return 0; }
#include <iostream> #include <vector> #include <algorithm> #include <tuple> using namespace std; using ll = long long; using P = pair<int, int>; #define rep(i,n) for(int i = 0; i < (n); i++) tuple<ll, ll, ll> extgcd(ll a, ll b) { if(b == 0) return {a, 1, 0}; auto [g, x, y] = extgcd(b, a%b); return {g, y, x-a/b*y}; } void solve() { ll n, s, k; cin >> n >> s >> k; auto [g, x, y] = extgcd(k, n); if(s%g != 0) { cout << -1 << endl; return; } n /= g; s /= g; k /= g; ll ans = ((x*-s)%n+n)%n; cout << ans << endl; } int main() { int t; cin >> t; rep(i,t) solve(); return 0; }
#include<bits/stdc++.h> #define ll long long #define re register #define INF 2147483647 using namespace std; inline ll read() { ll f=1,x=0;char s=getchar(); while(s<'0'||s>'9') { if(s=='-') f=-1; s=getchar(); } while(s>='0'&&s<='9') { x=x*10+s-48; s=getchar(); } return f*x; } ll exgcd(ll a,ll b,ll &x,ll &y) { if(!b) { x=1,y=0; return a; } ll ans=exgcd(b,a%b,y,x); y-=a/b*x; return ans; } int main() { int T=read(); while(T--) { ll n=read(),s=read(),k=read(); s=n-s; ll x,y; ll GCD=exgcd(n,k,x,y); if(s%GCD!=0) puts("-1"); else { ll res=s/GCD; y*=res; y=(y%(n/GCD)+(n/GCD))%(n/GCD); printf("%lld\n",y); } } return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define uint unsigned int #define inf (ll)1e18 #define end1 " " #define ld long double #define mp make_pair #define pb push_back #define all(x) begin(x),end(x) #define sf(x) sizeof(x) #define print_double(d, n) cout<<fixed<<setprecision(n)<<d<<end1; bool dcmp(int x, int y) { return x > y; } bool acmp(int x, int y) { return x < y; } bool afcmp(pair<int, int> a, pair<int, int> b) { return a.first < b.first; } bool dfcmp(pair<int, int> a, pair<int, int> b) { return a.first > b.first; } bool ascmp(pair<int, int> a, pair<int, int> b) { return a.second < b.second; } bool dscmp(pair<int, int> a, pair<int, int> b) { return a.second > b.second; } int aabs(int a) { return a < 0 ? -a : a; } int tmax(int a, int b, int c) { return max(max(a, b), c); } int tmin(int a, int b, int c) { return min(min(a, b), c); } bool in_range(int x, int l, int r) { return x >= l && x <= r; } inline char to_char(int c) { if (c >= 10) return c - 10 + 'A'; return c + '0'; } bool is_prime(int val) { if (val == 2) { return true; } if (val % 2 == 0) { return false; } for (int i = 3; i * i <= val; i += 2) { if (val % i == 0) { return false; } } return true; } int gcd(int a, int b) { if (a == 0) return b; if (b == 0) return a; if (a == b) return a; if (a > b) return gcd(a - b, b); return gcd(a, b - a); } string tobase(int num, int base) { string ret; int div = base; while (div < num) { div *= base; } for (div /= base;;) { ret += to_char(num / div); num = num % div; if (div < 2) { break; } div /= base; } return ret; } const int maxN = 3005; bool finished = false; int N; ll a[maxN], pre[maxN], mem[maxN][maxN], idx[maxN][maxN], dp[maxN][maxN], mod = (int) 1e9 + 7; void reset() { cin >> N; for (int i = 1; i <= N; ++i) { cin >> a[i]; pre[i] = pre[i - 1] + a[i]; } } void solve(void) { reset(); if (finished) { return; } memset(idx, -1, sf(idx)); memset(mem, -1, sf(mem)); for (int i = 0; i <= N; ++i) { for (int j = 1; j <= N; ++j) { idx[i][j] = mem[j][pre[i] % j]+1; mem[j][pre[i] % j] = i; } } dp[0][0] = 1; for (int i = 1; i <= N; ++i) { for (int j = 1; j <= N; ++j) { if (idx[i][j] != 0) { dp[i][j] = (dp[idx[i][j]-1][j] + dp[idx[i][j]-1][j - 1]) % mod; } } } ll ans = 0; for (int i = 1; i <= N; ++i) { ans += dp[N][i]; ans %= mod; } cout << ans << endl; } void open_file() { freopen("pump.in", "r", stdin); freopen("pump.out", "w", stdout); } int main(void) { int T = 1; // open_file(); std::ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); //cin >> T; while (T--) { solve(); } return 0; }
#include <iostream> #include<algorithm> #include<iomanip> #include<cstdio> #include<cmath> #include<string> #include <cstring> #include<queue> #include<set> #include<stack> #define MAX_N 100050 #define INF 999999 using namespace std; typedef long long ll; ll cnt[300050]; ll a[300050]; ll n; ll sum; int main() { cin >> n; for (int i = 1; i <= n; i++) { int x = 0; cin >> x; cnt[x+200]++; } for(int i=-200;i<=200;i++) for (int j = -200; j <= 200; j++) { sum += cnt[i + 200] * cnt[j + 200] * (i - j) * (i - j) ; } cout << sum / 2;; }
#include <bits/stdc++.h> using namespace std; // BEGIN LIB template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto &v : vec) is >> v; return is; } #define print_grid(x) for(auto &r:x){for(auto &c:r)cout<<c<<" ";cout<<endl;}cout<<endl; #define rep(i, a, b) for(int i = a; i < (b); ++i) #define trav(a, x) for(auto& a : x) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() typedef vector<int> vi; typedef vector<vi> vvi; typedef long long ll; typedef vector<ll> vll; typedef pair<int, int> pii; typedef vector<vector<ll>> grid; typedef pair<ll, ll> pll; // END LIB int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll a, b, c; cin>>a>>b>>c; c = c%2==1? 1:2; ll ta, tb; if(c==1){ ta=a; tb=b; } else { ta = a*a; tb = b*b; } if(ta==tb) cout << "=" << endl; if(ta>tb) cout << ">" << endl; if(ta<tb) cout << "<" << endl; return 0; }
#include<bits/stdc++.h> using namespace std; int main() { int a,c,b,i; cin>>a>>b>>c; if(c==1) { if(a>=b) { cout<<"Takahashi"<<endl; return 0; } else if(a<b) { cout<<"Aoki"<<endl; } } else { if(a<=b) { cout<<"Aoki"<<endl; return 0; } else cout<<"Takahashi"<<endl; } }
#include <bits/stdc++.h> using namespace std; #define ll long long int #define ff first #define ss second #define pb push_back #define mp make_pair #define deb(x) cout<< #x << " " << x << "\n"; #define MAX 9223372036854775807 #define MIN -9223372036854775807 #define setbits(n) __builtin_popcountll(n) #define mkunique(a) sort(a.begin(),a.end()); a.resize(unique(a.begin(),a.end())-a.begin()); #define print(s) for(ll u: s) cout<<u<<" "; cout<<"\n"; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const ll mod=1e9+7; ll n; pair<ll,ll> check(vector<ll> fin){ ll x=0, y=0; for(ll i=0;i<fin.size();i++){ if(fin[i]==1) x++; if(fin[i]==2) y++; if(fin[i]==3) x=(x+y); if(fin[i]==4) y=(x+y); //cout<<x<<" "<<y<<"\n"; } return {x,y}; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll TT=clock(); vector<ll> f(100); f[0]=0; f[1]=1; for(ll i=2;i<90;i++) f[i]=f[i-1]+f[i-2]; cin>>n; ll cur = n; vector<ll> ans; while(cur){ auto it = --upper_bound(f.begin(),f.end(),cur); ans.pb(it-f.begin()); cur = cur - *it; } //print(ans); ll mx = ans[0]; set<ll> s; for(ll i=0;i<ans.size();i++){ ans[i] = mx - ans[i]; ans[i]++; s.insert(ans[i]); } assert(s.size()==ans.size()); //print(ans); vector<ll> fin; ll j=0; for(ll i=1;i<mx;i++){ if(j<ans.size() && ans[j]==i){ if(i%2) fin.pb(2); else fin.pb(1); j++; } if(i%2) fin.pb(3); else fin.pb(4); } pair<ll,ll> v = check(fin); bool rev = false; if(v.ss == n) rev = true; for(ll &u: fin){ if(rev){ if(u==1) u=2; else if(u==2) u=1; else if(u==3) u=4; else u=3; } } assert(check(fin).ff == n); cout<<fin.size()<<"\n"; for(ll u: fin) cout<<u<<" "; cerr<<"\n\nTIME: "<<(long double)(clock()-TT)/CLOCKS_PER_SEC<<" sec\n"; TT = clock(); return 0; }
#include <bits/stdc++.h> using namespace std; #ifndef aa #define trace(...) #define endl '\n' #endif #define pb push_back #define ub upper_bound #define lb lower_bound #define fi first #define se second #define int long long typedef long long ll; typedef long double ld; #define pii pair<int,int> #define pdd pair<double,double> #define pll pair<ll,ll> #define sz(x) ((long long)x.size()) #define fr(a,b,c) for(int a=b; a<=c; a++) #define frev(a,b,c) for(int a=c; a>=b; a--) #define rep(a,b,c) for(int a=b; a<c; a++) #define trav(a,x) for(auto &a:x) #define all(con) con.begin(),con.end() #define done(x) {cout << x << endl;return;} #define mini(x,y) x=min(x,y) #define maxi(x,y) x=max(x,y) const ll infl = 0x3f3f3f3f3f3f3f3fLL; const int infi = 0x3f3f3f3f; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); //const int mod = 998244353; const int mod = 1e9 + 7; typedef vector<int> vi; typedef vector<string> vs; typedef vector<vector<int>> vvi; typedef vector<pair<int, int>> vpii; typedef map<int, int> mii; typedef set<int> si; typedef set<pair<int,int>> spii; typedef queue<int> qi; uniform_int_distribution<int> rng(1,1e9); //DEBUG FUNCTIONS START #define cerr cout void __print(int x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifndef ONLINE_JUDGE #define deb(x...) cerr << "[" << #x << "] = "; _print(x) #else #define deb(x...) #endif // DEBUG FUNCTIONS END const int N = 2e6+5; void solve(){ int n; cin>>n; vi a(n+1), pos(n+1), pre(n+1); int mx = 0, ans = 0; fr(i,1,n){ cin>>a[i]; pre[i] = pre[i-1] + a[i]; maxi(mx, pre[i]); maxi(ans, pos[i-1] + mx); pos[i] = pos[i-1] + pre[i]; } cout << ans; } signed main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); //srand(chrono::high_resolution_clock::now().time_since_epoch().count()); cout << fixed << setprecision(15); int t = 1; //cin >> t; while (t--) solve(); #ifdef aa cout << endl << endl << endl << endl << "Time elapsed: " << (double)(clock() - clk) / CLOCKS_PER_SEC << endl; #endif return 0; } int powm(int a, int b){ int res = 1; while (b) { if (b & 1) res = (res*a) % mod; a = (a * a) % mod; b >>= 1; } return res; } int divide(int a, int b) { return (a % mod) * powm(b % mod, mod - 2) % mod; } int norm(int a) { while (a >= mod) a -= mod; while (a < 0) a += mod; return a; }
#line 1 "/home/siro53/kyo-pro/compro_library/template/template.cpp" #include <bits/stdc++.h> using namespace std; template <class T> inline bool chmax(T &a, T b) { if(a < b) { a = b; return 1; } return 0; } template <class T> inline bool chmin(T &a, T b) { if(a > b) { a = b; return 1; } return 0; } #define DEBUG #ifdef DEBUG template <class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; for(int i = 0; i < (int)v.size(); i++) { if(i) { os << ','; } os << v[i]; } os << '}'; return os; } void debugg() { cerr << endl; } template <class T, class... Args> void debugg(const T &x, const Args &... args) { cerr << " " << x; debugg(args...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif struct Setup { Setup() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } __Setup; using ll = long long; #define ALL(v) (v).begin(), (v).end() #define RALL(v) (v).rbegin(), (v).rend() #define FOR(i, a, b) for(int i = (a); i < int(b); i++) #define REP(i, n) FOR(i, 0, n) const int INF = 1 << 30; const ll LLINF = 1LL << 60; constexpr int MOD = 1000000007; const int dx[4] = {1, 0, -1, 0}; const int dy[4] = {0, 1, 0, -1}; //------------------------------------- #line 1 "/home/siro53/kyo-pro/compro_library/util/get_time.hpp" inline double get_time() { const double ticks_per_sec = 2500000000; uint32_t lo, hi; asm volatile("rdtsc" : "=a"(lo), "=d"(hi)); return (((uint64_t)hi << 32) | lo) / ticks_per_sec; } #line 1 "/home/siro53/kyo-pro/compro_library/util/randint.hpp" struct random_number_generator { mt19937 mt; random_number_generator():mt(chrono::steady_clock::now().time_since_epoch().count()) {} int operator()(int a, int b) { uniform_int_distribution<int> dist(a, b - 1); return dist(mt); } int operator()(int b) { return (*this)(0, b); } }; #line 4 "main.cpp" struct P{ int x, y; P(){} P(int x, int y):x(x), y(y) {} }; struct Ad { P p1, p2; Ad(){} Ad(int a, int b, int c, int d):p1(a, b), p2(c, d) {} Ad(P p1, P p2):p1(p1), p2(p2) {} }; random_number_generator rng; int N; int x[200], y[200], r[200]; Ad ad[200]; void input() { cin >> N; REP(i, N) cin >> x[i] >> y[i] >> r[i]; } void output() { REP(i, N) { cout << ad[i].p1.x << " " << ad[i].p1.y << " " << ad[i].p2.x << " " << ad[i].p2.y << "\n"; } } void solve() { REP(i, N) { ad[i] = Ad(x[i], y[i], x[i]+1, y[i]+1); } } int main() { input(); solve(); output(); }
#include <bits/stdc++.h> using namespace std; #define REP(a,b) for(long long a = 0;a < b;++a) using ld = long double; unsigned long xor128() { static unsigned long x=time(NULL), y=362436069, z=521288629, w=88675123; unsigned long t=(x^(x<<11)); x=y; y=z; z=w; return ( w=(w^(w>>19))^(t^(t>>8)) ); } typedef struct Sponsor{ int x; int y; int area; } Sponsor; typedef struct AD{ int x; int y; int dx; int dy; Sponsor sponsor; } AD; inline bool check_intersect(AD a,AD b){ bool ans = (min(a.x,b.x) <= max(a.x,b.x) and max(a.x,b.x) < min(a.x+a.dx,b.x + b.dx)); ans &= (min(a.y,b.y) <= max(a.y,b.y) and max(a.y,b.y) < min(a.y+a.dy,b.y + b.dy)); return ans; } bool validate(vector<AD> inputs){ for(int i = 0;i < inputs.size();++i){ if(inputs[i].x + inputs[i].dx > 10000 or inputs[i].y + inputs[i].dy > 10000) return false; for(int q = i+1;q < inputs.size();++q){ if(check_intersect(inputs[i],inputs[q]) == true) return false; } } return true; } ld scoring(vector<AD> inputs,ld border){ ld ans = 0; for(int i = 0;i < inputs.size();++i){ if(inputs[i].x <= inputs[i].sponsor.x and inputs[i].sponsor.x < inputs[i].x + inputs[i].dx and inputs[i].y <= inputs[i].sponsor.y and inputs[i].sponsor.y < inputs[i].y + inputs[i].dy){ ld real_area = inputs[i].dx * inputs[i].dy; ld expected_area = inputs[i].sponsor.area; ans += 1.0L - abs(border - pow(1 - min(real_area,expected_area)/max(real_area,expected_area),2.0)); }else return -1; } ans /= (ld)inputs.size(); return ans; } int main(){ int n; cin >> n; vector<AD> inputs; REP(i,n){ int a,b,c; cin >> a >> b >> c; inputs.push_back(AD{a,b,1,1,Sponsor{a,b,c}}); } ld now_score = scoring(inputs,0); for(int i = 0;i < 3000000;++i){ int target = xor128() % inputs.size(); AD tmp = inputs[target]; int dir = xor128() % 6; int step = xor128() % 200 - 100; if(i % 20000 != 0){ if(dir == 0){ inputs[target].dx += step; }else if(dir == 1){ inputs[target].dy += step; }else if(dir == 2){ inputs[target].x -= step; inputs[target].dx += step; }else if(dir == 3){ inputs[target].y -= step; inputs[target].dy += step; }else if(dir == 4){ inputs[target].x += step; }else if(dir == 5){ inputs[target].y += step; } } bool ok = true; for(int q = 0;q < inputs.size();++q){ if(q != target and check_intersect(inputs[q],inputs[target]) == true){ ok = false; } } if(inputs[target].dx <= 0 or inputs[target].dy <= 0 or inputs[target].x < 0 or inputs[target].y < 0) ok = false; if(inputs[target].x + inputs[target].dx > 10000 or inputs[target].y + inputs[target].dy > 10000) ok = false; ld score = 0; int hoge = (ld)(3000000.0 - i) / 300000.0; ld prob = hoge / 10.0; prob *= prob; score = scoring(inputs,prob) + (1.00L - prob); if(ok and score >= now_score){ now_score = score; }else{ inputs[target] = tmp; } } for(int i = 0;i < n;++i){ cout << inputs[i].x << " " << inputs[i].y << " " << inputs[i].x + inputs[i].dx << " " << inputs[i].y + inputs[i].dy << endl; } }
#include <bits/stdc++.h> using namespace std; using ll=long long; using P = pair<int, int>; int main() { int n; cin >> n; int a[n]; for(int i = 0;i < n;i++){ cin >> a[i]; } int ans = 0; for(int l = 0;l < n;l++){ int x = a[l]; for(int r = l;r < n;r++){ x = min(x,a[r]); ans = max(ans,x*(r-l+1)); } } cout << ans << endl; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; template <typename T> using vt = vector<T>; template <typename T> using oset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define pb push_back #define SZ(x) ((int)((x).size())) #define EACH(x, a) for (auto& x: a) #define FOR(i,s,n) for (ll i = (s); (i) < (n); ++i) #define FORD(i,s,l) for (ll i = (s); (i) >= l; --i) #define F first #define S second #define TC int __tc; cin >> __tc; FOR(case_num,1,__tc+1) #define TEST(x,i) ((x)&(1ll<<(i))) #define SET(x,i) ((x)|(1ll<<(i))) #define FLIP(x,i) ((x)^(1ll<<(i))) #define CLEAR(x,i) ((x)&~(1ll<<(i))) const double pi = 4 * atan(1); using ll = long long; using pll = pair<ll, ll>; mt19937 mt_rng(chrono::steady_clock::now().time_since_epoch().count()); ll randint(ll a, ll b) { return uniform_int_distribution<ll>(a, b)(mt_rng); } template<class T> bool umin(T& a, const T& b) { return b<a?a=b, 1:0; } template<class T> bool umax(T& a, const T& b) { return a<b?a=b, 1:0; } template<class ForwardIterator> void print_vec(ForwardIterator first, ForwardIterator last, string sep = " ", string end = "\n") { bool ft = true; while (first != last) { if (!ft) {cout << sep;} else {ft = false;} cout << (*first); ++first; } cout << end; } template<typename T1, typename T2> std::ostream& operator<<(std::ostream &o, const pair<T1, T2> &p) { return o << p.F << " " << p.S; } inline ll floorDiv(ll x, ll y) { ll d = x / y; ll r = x % y; return r ? (d - ((x < 0) ^ (y < 0))) : d; } ll ceilDiv(ll x, ll y) { return -floorDiv(-x, y); } ll bin_search(ll lo, ll hi, function<bool(ll)> predicate) { int sign = lo <= hi ? 1 : -1; lo *= sign; hi *= sign; hi++; while (lo < hi) { ll mid = lo + floorDiv(hi-lo, 2); if (!predicate(sign * mid)) { lo = mid + 1; } else { hi = mid; } } return sign * lo; } const ll MOD = 1000000007; const int MAXN = 10005; int n; ll num[MAXN]; //Max histogram area from geeksforgeeks //https://www.geeksforgeeks.org/largest-rectangle-under-histogram/ ll getMaxArea() { stack<ll> s; ll max_area = 0; int tp; ll area_with_top; int i = 0; while (i < n) { if (s.empty() || num[s.top()] <= num[i]) s.push(i++); else { tp = s.top(); s.pop(); area_with_top = num[tp] * (s.empty() ? i : i - s.top() - 1); if (max_area < area_with_top) max_area = area_with_top; } } while (s.empty() == false) { tp = s.top(); s.pop(); area_with_top = num[tp] * (s.empty() ? i : i - s.top() - 1); if (max_area < area_with_top) max_area = area_with_top; } return max_area; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> n; for (int i=0; i < n; i++) { cin >> num[i]; } cout << getMaxArea() << "\n"; }
#include<bits/stdc++.h> using namespace std; int main(){ int N, X; char S; int cnt; cin>>N>>X; cnt = X; for (int i=0; i<N; i++){ cin>>S; if (S == 'o') cnt += 1; else{ if (cnt>0) cnt -= 1; } } cout << cnt << endl; }
#include<iostream> #include<algorithm> #include<vector> #include<iomanip> #include<cmath> #include<map> #include<string> #include<bitset> using namespace std; #define rep(i,N) for(ll i=0;i<N;i++) //0から typedef long long ll; ll binary_search(vector<ll> a, ll n, ll key){ ll right = n, left = -1; ll md = (right + left) / 2; while(right - left > 1){ if(a[md] <= key){ right = md; }else{ left = md; } md = (right + left) / 2; } if(left == -1) return -1; //無い場合 return right; } vector<ll> prime; void Prime(ll n){ //線形篩,素数列挙 vector<ll> p(n,0); p[0]=1; p[1]=1; for(ll i=2;i<n;i++){ if(p[i]==0){ prime.push_back(i); p[i]=i; } ll k=prime.size(); for(ll j=0;j<k && i*prime[j]<n && prime[j]<=p[i];j++){ p[i*prime[j]]=prime[j]; } } } ll gcd(ll a,ll b){ if(a<b){ swap(a,b); } //a>=b ll r=a%b; while(r!=0){ a=b; b=r; r=a%b; } return b; } ll modexp(ll x, ll a, ll m){ //x^a mod m ll ret = 1; while (a > 0) { if (a & 1) ret = ret * x % m; // n の最下位bitが 1 ならば x^(2^i) をかける x = x * x % m; a >>= 1; // n を1bit 左にずらす } return ret; } ll modinv(ll a, ll m){ //a^{-1} mod m ll b=m,u=1,v=0; while(b){ ll t=a/b; a-=t*b; swap(a,b); u-=t*v; swap(u,v); } u=(u+m)%m; return u; } ll nCr(ll n, ll r) { r = min(r, n-r); ll ans = 1; for (ll i = n; i > n - r; --i) { ans = ans*i; } for (ll i = 1 ; i < r + 1; ++i) { ans = ans / i; } return ans; } double pi=3.14159265358979323846; //next_purmitation!!!!!!!!!!!!! //https://atcoder.jp/contests/abc198/tasks/abc198_d //cout<<fixed<<setprecision(18); int main(){ ll n; cin>>n; ll ans=1; for(ll i=1;i<=11;i++){ ans*=n-i; ans/=i; } cout<<ans<<endl; return 0; }
#define _USE_MATH_DEFIMES #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cctype> #include <climits> #include <clocale> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <regex> #include <set> #include <sstream> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> const int MOD = 1'000'000'007; const int MOD2 = 998'244'353; const int INF = 1'000'000'000; //1e9 const int NIL = -1; const long long LINF = 1'000'000'000'000'000'000; // 1e18 const long double EPS = 1E-10; template<class T, class S> inline bool chmax(T &a, const S &b){ if(a < b){ a = b; return true; } return false; } template<class T, class S> inline bool chmin(T &a, const S &b){ if(b < a){ a = b; return true; } return false; } int main(){ long double A, B; std::cin >> A >> B; std::cout << std::fixed << std::setprecision(10) << (A - B) / A * 100 << std::endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define F first #define S second #define pii pair<int, int> #define pb push_back #define vi vector<int> #define all(x) (x).begin(), (x).end() mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #define pc cerr<<"Time : "<<1000*(long double)clock()/(long double)CLOCKS_PER_SEC<<"ms\n"; int mod = 1000000000 + 7; bool cmp(const pair<int,int> &a,const pair<int,int> &b) { return max(a.second,a.first)<max(b.second,b.first); } int Q(int l,int r){ cout<<"? "<<l<<" "<<r<<endl; int sum; cin>>sum; return sum; } void solve() { int i, j, m,k; int n; cin>>n; cout<<(n+100-1)/100<<endl; } signed main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int t = 1; // cin >> t; while (t--) { // int k,n,i,j,m; // cin>>n; solve(); } pc; return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define ff first #define ss second #define endl "\n" #define all(x) (x).begin(), (x).end() #define sz(x) (int)(x.size()) int powmod(int a,int l, int md){a%=md; int res=1;while(l){if(l&1)res=res*a%md;l/=2;a=a*a%md;}return res;} int binpow(int a,int l){int res=1;while(l){if(l&1)res=res*a;l/=2;a=a*a;}return res;} int invmod(int a, int md){return powmod(a,md-2,md);} typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef vector<int> vi; typedef pair<int, int> ii; typedef vector< ii > vii; #define pb push_back int __set(int b, int i) {return b|(1LL<<i);} //set ith bit int __unset(int b, int i) {return b&(~(1UL<<i));} int __check(int b, int i) {return b&(1LL<<i);} //returns 0 if ith bit is 0 int mulmod(int a, int b, int md) {return (((a%md)*(b%md))%md+md)%md;} int addmod(int a, int b, int md) {return ((a%md+b%md)%md+md)%md;} int submod(int a, int b, int md) {return (((a%md-b%md)%md)+md)%md;} int divmod(int a, int b, int md) {return mulmod(a, powmod(b, md-2, md), md);} //if md is prime; const ll inf = 0xFFFFFFFFFFFFFFFL; //very large number priority_queue<int, vector<int>, greater<int> > pq; //for min priority_queue #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int MOD=998244353; signed main(void) { IOS; int n,k; cin>>n>>k; int vv[2*n+1]={}; for(int i = 2; i <= 2*n; i++) { int lo=max(1ll,i-n); int hi = i-lo; vv[i] = hi-lo+1; } // for(int i = 2; i<=2*n; i++) // cout<<vv[i]<<" "; // cout<<endl; int ans=0; for(int i = 2; i <= 2*n; i++) { int s = i-k; if(s<2 || s > 2*n) continue; ans += vv[s]*vv[i]; // ans %= MOD; } cout<<ans<<endl; return 0; }
#include <bits/stdc++.h> // #include <boost/multiprecision/cpp_int.hpp> // #include <boost/rational.hpp> // using bigint = boost::multiprecision::cpp_int; // using fraction = boost::rational<bigint>; using namespace std; #define pb push_back #define eb emplace_back #define unused [[maybe_unused]] #define tempT template<class T> #define ALL(obj) (obj).begin(), (obj).end() #define rALL(obj) (obj).rbegin(), (obj).rend() #define debug(x) cerr << #x << ": " << x << endl #define ans_exit(x) { cout << x << endl; exit(0); } #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define reps(i, n, m) for (ll i = (ll)(n); i < (ll)(m); i++) using ll unused = long long; using ld unused = long double; using vl unused = vector<ll>; using vvl unused = vector<vl>; using vvvl unused = vector<vvl>; using lp unused = pair<ll, ll>; using lmap unused = map<int, int>; unused constexpr ll MOD = 1e9 + 7; unused constexpr ll INF = 1 << 30; unused constexpr ll LINF = 1LL << 62; unused constexpr int DX[8] = {0, 1, 0,-1, 1, 1,-1,-1}; unused constexpr int DY[8] = {1, 0,-1, 0, 1,-1, 1,-1}; unused inline bool bit(ll b, ll i) { return b & (1LL << i); } unused inline ll ceiv(ll a, ll b) { return (a + b - 1) / b; } unused inline ll mod(ll a, ll m = MOD) { return (a % m + m) % m; } unused inline ll floordiv(ll a, ll b) { return a / b - (a < 0 && a % b); } unused inline ll ceildiv(ll a, ll b) { return floordiv(a + b - 1, b); } tempT unused inline bool in_range(T a, T x, T b) { return a <= x && x < b; } unused inline bool in_range(ll x, ll b) { return in_range(0LL, x, b); } tempT unused bool chmin(T &a, T b) { if(a > b) {a = b; return 1;} return 0; } tempT unused bool chmax(T &a, T b) { if(a < b) {a = b; return 1;} return 0; } int main() { ll n, m; cin >> n >> m; vl a(n), b(m); rep(i, n) cin >> a[i]; rep(i, m) cin >> b[i]; vvl dp(n+1, vl(m+1, LINF)); rep(i, n + 1) dp[i][0] = i; rep(j, m + 1) dp[0][j] = j; rep(i, n) { rep(j, m) { if(a[i] == b[j]) { chmin(dp[i+1][j+1], dp[i][j]); } else { chmin(dp[i+1][j+1], min(dp[i+1][j], dp[i][j+1]) + 1); chmin(dp[i+1][j+1], dp[i][j] + 1); } } } cout << dp[n][m] << endl; }
// ABC180-E #include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define ALL(v) (v).begin(), (v).end() using ll = long long; constexpr int INF = 1e9; constexpr long long LINF = 1e18; constexpr long long MOD = 1e9 + 7; template <typename T> T TSP(int s, vector<vector<pair<int, T>>>& G, const T INF = 1e9) { int V = G.size(); vector<vector<T>> dp(1 << V, vector<T>(V, INF)); dp[0][s] = 0; for (int bit = 0; bit < 1 << V; bit++) { for (int v = 0; v < V; v++) { for (auto p : G[v]) { int to = p.first, dist = p.second; if (bit & 1 << to) continue; dp[bit | 1 << to][to] = min(dp[bit | 1 << to][to], dp[bit][v] + dist); } } } return dp[(1 << V) - 1][s]; } signed main() { int n; cin >> n; int x[n], y[n], z[n]; rep(i, n) { cin >> x[i] >> y[i] >> z[i]; } vector<vector<pair<int, ll>>> G(n); rep(i, n) { rep(j, n) { G[i].emplace_back( j, abs(x[i] - x[j]) + abs(y[i] - y[j]) + max(0, z[j] - z[i])); } } cout << TSP(0, G, LINF) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<int, int>; #define rep(i, n) for(int i = 0; i < (n); ++i) #define io ios::sync_with_stdio(false); cin.tie(0) void print_vec(const vector<int>& vec) { int n = vec.size(); rep(i, n) { cout << vec[i]; if (i != n-1) cout << " "; } cout << endl; } int main() { io; int n; cin >> n; vector<int> a(n), b(n); vector<vector<int>> c(n, vector<int>(n, 0)); rep(i, n) rep(j, n) { cin >> c[i][j]; } b = c[0]; a[0] = 0; bool flag = true; for (int i = 1; i < n; ++i) { for (int j = 1; j < n; ++j) { int diff = c[i][0] - c[0][0]; if (c[i][j] - c[0][j] != diff) { flag = false; break; } a[i] = diff; } } int mn = *min_element(a.begin(), a.end()); if (mn < 0) { rep(i, n) { a[i] -= mn; b[i] += mn; if (b[i] < 0) { flag = false; break; } } } if (flag) { cout << "Yes" << endl; print_vec(a); print_vec(b); } else cout << "No" << endl; return 0; }
#include<algorithm> #include<cstdio> using namespace std; int n,m; int main() { scanf("%d",&n); printf("6 10 15 ");m=3; for (int i=16;i<=10000&&m<n;i++){ int cnt=0; if (i%2==0)cnt++; if (i%3==0)cnt++; if (i%5==0)cnt++; if (cnt>=2){m++;printf("%d ",i);} } return 0; }
#include <bits/stdc++.h> using namespace std; using ll=long long; #define P pair<int,int> #define fi first #define se second #define rep(i,n) for(int i=0;i<n;i++) #define all(v) v.begin(),v.end() #define pb push_back template<class T,class U> inline bool chmax(T &a,U b){ if(a<b){ a=b; return true; } return false; } template<class T,class U> inline bool chmin(T &a,U b){ if(a>b){ a=b; return true; } return false; } constexpr int INF=1000000000; constexpr ll llINF=1000000000000000000; constexpr int mod=1000000007; constexpr double eps=1e-8; const double pi=acos(-1); int dx[]={0,1,0,-1},dy[]={1,0,-1,0}; int Random(int mi,int ma){ random_device rnd; mt19937 mt(rnd());//32bit //[mi,ma] uniform_int_distribution<int>engine(mi,ma); return engine(mt); } /* vector<vector<ll>>C,sC; void init_comb(int n,int m){ C.resize(n+1,vector<ll>(m+1,0)); sC.resize(n+1,vector<ll>(m+1,0)); C[0][0]=1; for(int i=1;i<=n;i++){ C[i][0]=1; for(int j=1;j<=m;j++){ C[i][j]=(C[i-1][j-1]+C[i-1][j])%mod; } } rep(i,n+1){ rep(j,m){ sC[i][j+1]=(sC[i][j]+C[i][j])%mod; } } }*/ ll gcd(ll a,ll b){ while(a%b){ a%=b; swap(a,b); } return b; } ll lcm(ll a,ll b){ return a/gcd(a,b)*b; } bool prime(int a){ if(a==1)return false; for(int i=2;i*i<=a;i++){ if(a%i==0)return false; } return true; } vector<int>primes; void init_prime(int n){ primes.push_back(2); for(int i=3;i<=n;i+=2){ bool f=true; for(int j:primes){ if(j*j>i)break; if(i%j==0){ f=false; break; } } if(f)primes.push_back(i); } } ll modpow(ll a,ll b){ ll res=1; while(b){ if(b&1){ res*=a; res%=mod; } a*=a; a%=mod; b>>=1; } return res; } vector<ll>inv,fact,factinv; void init_fact(int n){ inv.resize(n+1); fact.resize(n+1); factinv.resize(n+1); inv[0]=0; inv[1]=1; fact[0]=1; factinv[0]=1; for(ll i=1;i<=n;i++){ if(i>=2)inv[i]=mod-((mod/i)*inv[mod%i]%mod); fact[i]=(fact[i-1]*i)%mod; factinv[i]=factinv[i-1]*inv[i]%mod; } } ll _inv(ll a,ll m=mod){ //gcd(a,m) must be 1 ll b=m,u=1,v=0; while(b){ ll t=a/b; a-=t*b;swap(a,b); u-=t*v;swap(u,v); } u%=m; if(u<0)u+=m; return u; } ll comb(int a,int b){ if(a<b)return 0; if(a<0)return 0; return fact[a]*factinv[a-b]%mod*factinv[b]%mod; } ll multicomb(int a,int b){ return comb(a+b-1,b); } void solve(){ int n; cin>>n; if(n==3){ cout<<"6 10 15"<<endl; return; } vector<int>v{6,10,12,15,18,20,24,30}; rep(i,n){ cout<<(i/8)*30+v[i%8]<<" "; } cout<<endl; } int main(){ cin.tie(0);ios::sync_with_stdio(false); //int t;cin>>t;while(t--) solve(); return 0; }
#include <iostream> #include <iomanip> #include <vector> #include <array> #include <stack> #include <queue> #include <tuple> #include <algorithm> #include <unordered_set> #include <unordered_map> #include <cmath> #include <map> #include <numeric> #include <cassert> #include <string> #include <list> using ull = unsigned long long; using ll = long long; #define REP(i, n) for(ll i=0;i<(ll)n;i++) #define REPab(i,a,b)for(ll i=(ll)a;i<(ll)b;i++) constexpr bool bitp(ull bits, ull pos) { return bits & (1ULL << pos); } constexpr ll mod(ll val, ll m) { return (val >= 0) ? (val % m) : (val % m + m); } template <class T> void chmin(T& a, T b) { a = std::min(a, b); } template <class T> void chmax(T& a, T b) { a = std::max(a, b); } ll extgcd(const ll a, const ll b, ll& x, ll& y) {ll d = a;if (b != 0) { d = extgcd(b, a % b, y, x);y -= (a / b) * x;} else { x = 1; y = 0; } return d;} int main() { ll N, M; std::cin >> N >> M; std::vector<std::vector<ll>> edges(N); REP(i, M) { ll a, b; std::cin >> a >> b; edges[a - 1].push_back(b - 1); } ll sum = 0; REP(i, N) { std::vector<bool> visited(N, false); const auto search = [&](auto&& search, ll node) -> void { for (const auto& edge : edges[node]) { if (!visited[edge]) { visited[edge] = true; sum++; search(search, edge); } } }; visited[i] = true; sum++; search(search, i); } std::cout << sum << std::endl; }
#include <bits/stdc++.h> using namespace std; const int MAXN=2000; vector<vector<int>> g; bool temp[MAXN]; void dfs(int v){ if(temp[v]) return; temp[v]=1; for(auto vv:g[v]) dfs(vv); return; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0),cout.tie(0); int n,m; cin>>n>>m; g.resize(n); for(int i=0;i<m;i++){ int a,b; cin>>a>>b; g[a-1].push_back(b-1); } int ans=0; for(int i=0;i<n;i++){ for(int j=0;j<n;j++) temp[j]=0; dfs(i); for(int j=0;j<n;j++) if(temp[j]) ans++; } cout<<ans; return 0; }
#include<bits/stdc++.h> // no of bits to store no 2e5 is 19 // 2e5 ka 5 times square root lene se 2 or 3 ke pass pahunch jate hai using namespace std; #define int long long #define mod 1000000007 #define MOD 1000000007 #define MAX 1000000000 #define inf 1e18 #define ff first #define ss second #define mp make_pair #define pb push_back #define pii pair<int,int> #define mii map<int, int> #define all(x) (x).begin(), (x).end() #define fill(a,b) memset(a, b, sizeof(a)) #define sp(x,y) fixed<<setprecision(y)<<x #define setbits(x) __builtin_popcount(x) #define fast_in_out ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); #define rep(i,a,b) for(int i=a;i<b;i++) #define ll long long // powermod(a,b,m) == powermod(a,b%(m-1),m) when m is prime fermat's theorem a^(p-1) %p=1 p is prime int powermod(int a,int b,int c) // gives (a^b)%c { int ans = 1,tempans=a%c; while(b>0) { if(b&1==1) { ans=(ans*tempans)%c; } tempans=(tempans*tempans)%c; b=b>>1; } return ans; } int modinverse(int a,int m) // gives a inverse wrt m and m is prime { return powermod(a,m-2,m); } ll add(ll x, ll y) { x += y; if (x >= mod) return x - mod; return x; } ll sub(ll x, ll y) { x -= y; if (x < 0) return x + mod; return x; } ll mult(ll x, ll y) { return (x * y) % mod; } // my template m // prime factorization pf // ncr and factorials ncr // matrix exponentiation of fibonacci series in log(n) matexpofib // cycles in a graph cycle // prime factorization in log(n) spf vector<pair<int,pii>> edges[100005];// city void solve() { int n,m,st,en; cin>>n>>m>>st>>en; while(m--) { int x,y,ti,ki; cin>>x>>y>>ti>>ki; edges[x].pb({y,{ti,ki}}); edges[y].pb({x,{ti,ki}}); } // dis ind priority_queue<pii> q; vector<int> dis(n+1,inf); vector<bool > vis(n+1,false); dis[st]=0; q.push({0,st}); while(!q.empty()) { pii p= q.top(); q.pop(); if(vis[p.ss]) continue; vis[p.ss]=true; // cout<<p.ss<<endl; for(auto ch: edges[p.ss]) { // cout<<"and " <<ch.ff<<" "<<ch.ss.ff<<" "<<ch.ss.ss<<endl; int k= ch.ss.ss; int z= dis[p.ss]%k; // cout<<dis[p.ss]<<" "<<k<<" "<<z<<endl; if(z!=0) { z= k-z; } z+=(dis[p.ss]+ch.ss.ff); if(!vis[ch.ff]&&z<dis[ch.ff]) { dis[ch.ff]=z; q.push({-z,ch.ff}); } } } if(dis[en]==inf) dis[en]=-1; cout<<dis[en]<<endl; } int32_t main() { fast_in_out; int t=1;//cin>>t; int count=0; while(t--) { count++; solve(); } }
#include <bits/stdc++.h> #define endl "\n" using namespace std; typedef long long ll; typedef vector<ll> vl; typedef pair<ll, ll> PP; #define rep(i, n) for(ll i = 0; i < ll(n); i++) #define rrep(i, n) for(ll i = n - 1; i > -1; i--) #define all(v) v.begin(), v.end() #define pb push_back #define fi first #define se second template <class X> void print(X x) { cout << x << endl; } #define in(A, n) \ rep(i, n) { \ cin >> f; \ A.push_back(f); \ } void print(vl x) { for(ll i : x) { cout << i << " "; } cout << endl; } const ll INF = (1LL << 61) - 1; const ll MOD = 1000000007 /*998244353*/; const ll MAX_N = 500010; ll a, b, c, d, e, f, h, x, y, z, p, q, n, t, r, k, w, l, ans, i, j, u, v, m; ll codeforces = 1; string S, T; vector<vl> g(MAX_N); vector<vl> A; vl C, D; ll co[1 << 17][17]; void input() { cin >> n; rep(i, n) { cin >> x >> y >> z; A.pb({x, y, z}); } } void solve() { rep(i, 1 << n) { if(i) { rep(j, n) { co[i][j] = INF; } } } co[1][0] = 0; k = 1 << n; rep(i, k) { C.clear(); D.clear(); rep(j, n) { if(i & (1 << j)) { C.pb(j); } else { D.pb(j); } } for(ll x : C) { for(ll y : D) { co[i + (1 << y)][y] = min(co[i + (1 << y)][y], co[i][x] + abs(A[x][0] - A[y][0]) + abs(A[x][1] - A[y][1]) + max(0ll, A[y][2] - A[x][2])); } } } ans = INF; rep(i, n) { if(i) ans = min(ans, co[k - 1][i] + abs(A[0][0] - A[i][0]) + abs(A[0][1] - A[i][1]) + max(0ll, A[0][2] - A[i][2])); } print(ans); } int main() { // cout<<fixed<<setprecision(15); cin.tie(0); ios::sync_with_stdio(false); input(); while(codeforces--) { solve(); } }
/*input 3 4 3 1 9 5 3 7 8 1 8 6 9 4 4 1 4 1 3 */ // assic value of ('0'-'9') is(48 - 57) and (a-z) is (97-122) and (A-Z) is(65-90) and 32 for space // #pragma GCC target ("avx2") // #pragma GCC optimization ("O3") // #pragma GCC optimization ("unroll-loops") #include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; // order_of_key (k) : Number of items strictly smaller than k . // find_by_order(k) : K-th element in a set (counting from zero). using namespace __gnu_pbds; template<class T> using oset=tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define ll long long int #define pb push_back #define pii pair<ll ,ll > #define vpii vector< pii > #define vi vector<ll > #define vs vector< string > #define vvi vector< vector< ll > > #define inf (ll)1e18 #define all(it,a) for(auto it=(a).begin();it!=(a).end();it++) #define F first #define S second #define sz(x) (ll )x.size() #define rep(i,a,b) for(ll i=a;i<b;i++) #define repr(i,a,b) for(ll i=a;i>b;i--) #define lbnd lower_bound #define ubnd upper_bound #define mp make_pair #define whatis(x) cout << #x << " is " << x << "\n"; #define graph(n) adj(n,vector< ll > () ) //mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #define debug(x) cout << #x << " " << x << endl; #define debug_p(x) cout << #x << " " << x.F << " " << x.S << endl; #define debug_v(x) {cout << #x << " "; for (auto ioi : x) cout << ioi << " "; cout << endl;} #define debug_vp(x) {cout << #x << " "; for (auto ioi : x) cout << '[' << ioi.F << " " << ioi.S << ']'; cout << endl;} #define debug_v_v(x) {cout << #x << "/*\n"; for (auto ioi : x) { for (auto ioi2 : ioi) cout << ioi2 << " "; cout << '\n';} cout << "*/" << #x << endl;} bool cmp(pii p1,pii p2){ if(p2.S==p1.S) return p1.F < p2.F; else return p1.S > p2.S; } int solve() { ll N,M,Q; cin>>N>>M>>Q; vector<pii> a(N); vi X(M); rep(i,0,N) cin>>a[i].F>>a[i].S; rep(i,0,M) cin>>X[i]; sort(a.begin(), a.end(),cmp); rep(q,0,Q){ ll L,R;cin>>L>>R; L--,R--; multiset<ll> curX; for(ll i=0; i<L; i++) curX.insert(X[i]); for(ll i=R+1; i<M; i++) curX.insert(X[i]); ll ans = 0; for(ll i=0; i<N; i++){ auto it = curX.lower_bound(a[i].F); if(it != curX.end()) { ans += a[i].S; curX.erase(it); } } cout<<ans<<"\n"; } return 0; } int main() { auto start = chrono::high_resolution_clock::now(); // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); ll test_cases=1; //cin>>test_cases; while(test_cases--) solve(); auto stop = chrono::high_resolution_clock::now(); auto duration = chrono::duration_cast<chrono::milliseconds>(stop-start); //cout<<"\nduration: "<<(double)duration.count()<<" milliseconds"; }
#include<bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int,int> PI; const int maxm=2e6+5; PI e[maxm]; PI ee[maxm]; int n,m,q; int main(){ cin>>n>>m>>q; for(int i=1;i<=n;i++){ int x,y; cin>>x>>y; e[i]={x,y}; } for(int i=1;i<=m;i++){ int x; cin>>x; ee[i]={x,i}; } sort(e+1,e+1+n); sort(ee+1,ee+1+m); while(q--){ int l,r; cin>>l>>r; priority_queue<int,vector<int>,less<int> >q; int ans=0; int j=1; for(int i=1;i<=m;i++){ if(ee[i].second>=l&&ee[i].second<=r)continue; while(j<=n&&e[j].first<=ee[i].first){ q.push(e[j].second); j++; } if(q.size()){ ans+=q.top(); q.pop(); } } cout<<ans<<endl; } }
#include <bits/stdc++.h> using namespace std; #define int long long const int mod = 1e9 + 7; const int N = 5e6; int binpow[N]; signed main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int h, w; cin >> h >> w; vector<string> s(h); for (int i = 0; i < h; i++) cin >> s[i]; binpow[0] = 1; for (int i = 1; i <= h * w; i++) { binpow[i] = (binpow[i - 1] * 2) % mod; } vector<vector<pair<int, int> > > col(h, vector<pair<int, int>>(w, make_pair(-1, h))), row(h, vector<pair<int, int>>(w, make_pair(-1, w))); for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (s[i][j] == '#') { row[i][j].first = j; } else if (j > 0) { row[i][j].first = row[i][j - 1].first; } } for (int j = w - 1; j >= 0; j--) { if (s[i][j] == '#') { row[i][j].second = j; } else if (j < w - 1) { row[i][j].second = row[i][j + 1].second; } } } int k = 0; for (int j = 0; j < w; j++) { for (int i = 0; i < h; i++) { k += s[i][j] == '.'; if (s[i][j] == '#') { col[i][j].first = i; } else if (i > 0) { col[i][j].first = col[i - 1][j].first; } } for (int i = h - 1; i >= 0; i--) { if (s[i][j] == '#') { col[i][j].second = i; } else if (i < h - 1) { col[i][j].second = col[i + 1][j].second; } } } int ans = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (s[i][j] == '#') continue; int p = col[i][j].second - col[i][j].first + row[i][j].second - row[i][j].first - 3; ans = (ans + (binpow[k] - binpow[k - p] + mod) % mod) % mod; } } cout << ans << '\n'; }
//~ while (clock()<=69*CLOCKS_PER_SEC) //~ #pragma comment(linker, "/stack:200000000") #ifndef LOCAL #pragma GCC optimize("O3") #endif //~ #pragma GCC optimize("Ofast") //~ #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") //~ #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((int)(x).size()) #define st first #define nd second using namespace __gnu_pbds; using namespace std; template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define sim template < class c #define ris return * this #define dor > debug & operator << #define eni(x) sim > typename \ enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) { sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; } sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...); struct debug { #ifdef LOCAL ~debug() { cerr << endl; } eni(!=) cerr << boolalpha << i; ris; } eni(==) ris << range(begin(i), end(i)); } sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; } sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; } #else sim dor(const c&) { ris; } #endif }; #define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " #define shandom_ruffle random_shuffle using ll=long long; using pii=pair<int,int>; using pll=pair<ll,ll>; using vi=vector<int>; using vll=vector<ll>; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(11); cerr << fixed << setprecision(6); int n, L; cin >> n >> L; map<int, vector<pii>> move_intvs; vi ai(n), bi(n); for (auto &x : ai) { cin >> x; } for (auto &x : bi) { cin >> x; } vector<bool> found(n); map<int, int> pos_start; for (int i = 0; i < n; ++i) { pos_start[i] = ai[i]; } pos_start[-1] = 0; pos_start[n] = L + 1; map<int, int> M; M[L + 1 - n] = n; for (int i = 0; i < n; ++i) { found[i] = (ai[i] == bi[i]); } for (int i = n - 1; i >= 0; --i) { const int seek = bi[i] - i; debug() << imie(seek); auto iter = M.find(seek); if (iter == M.end()) { M[ai[i] - i] = i; continue; } found[i] = true; const int who = iter->nd; debug() << imie(i) << imie(who) << imie("R"); if (pos_start[who] - pos_start[i] > 1) { move_intvs[who].emplace_back(i, who - 1); } M[ai[i] - i] = i; } M.clear(); M[1] = -1; for (int i = 0; i < n; ++i) { const int seek = bi[i] - i; auto iter = M.find(seek); if (iter == M.end()) { M[ai[i] - i] = i; continue; } found[i] = true; const int who = iter->nd; debug() << imie(i) << imie(who) << imie("L"); if (abs(pos_start[who] - pos_start[i]) > 1) { move_intvs[who].emplace_back(who + 1, i); } M[ai[i] - i] = i; } debug() << imie(found); if (count(ALL(found), false)) { cout << "-1\n"; return 0; } ll ans = 0; for (auto &info : move_intvs) { debug() << imie(info.second); const int x = info.first; int L = x, R = x; for (auto &intv : info.second) { if (intv.second == x - 1) { L = min(L, intv.first); } else if (intv.first == x + 1) { R = max(R, intv.second); } else { assert(false); } } ans += R - L; } cout << ans << "\n"; }
#include<cstdio> #include<cstring> #include<algorithm> #include<iostream> #include<cmath> #define rg register template<typename T>void read(T &x){ x=0;rg int fh=1; rg char ch=getchar(); while(ch<'0' || ch>'9'){ if(ch=='-') fh=-1; ch=getchar(); } while(ch>='0' && ch<='9'){ x=(x<<1)+(x<<3)+(ch^48); ch=getchar(); } x*=fh; } const int maxn=1e6+5; int n; double f[maxn]; int main(){ read(n); rg double tmp; for(rg int i=n-1;i>=1;i--){ tmp=1.0-1.0*i/n; f[i]=(f[i+1]*tmp+1.0)/tmp; } printf("%.10f\n",f[1]); return 0; }
#include<bits/stdc++.h> using namespace std; #define int long long const int M = 1e9 + 7; void solve() { int ar[] = {0, 6, 5, 4, 3, 2, 1}; int a, b, c; cin >> a >> b >> c; cout << ar[a] + ar[b] + ar[c]; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cout << fixed << setprecision(12); int t = 1; //cin >> t; while (t--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll n, k; cin >> n >> k; ll sum = 0; for (ll i = 1; i <= n; i++) { for (ll j = 1; j <= k; j++) { sum += i * 100 + j; } } cout << sum; }
#include <bits/stdc++.h> //#include <chrono> #pragma GCC optimize("O3") using namespace std; #define reps(i,s,n) for(int i = s; i < n; i++) #define rep(i,n) reps(i,0,n) #define Rreps(i,n,e) for(int i = n - 1; i >= e; --i) #define Rrep(i,n) Rreps(i,n,0) #define ALL(a) a.begin(), a.end() using ll = long long; using vec = vector<ll>; using mat = vector<vec>; ll N,M,H,W,Q,K,A,B; string S; using P = pair<ll, ll>; const ll INF = (1LL<<60); template<class T> bool chmin(T &a, const T b){ if(a > b) {a = b; return true;} else return false; } template<class T> bool chmax(T &a, const T b){ if(a < b) {a = b; return true;} else return false; } template<class T> void my_printv(std::vector<T> v,bool endline = true){ if(!v.empty()){ for(std::size_t i{}; i<v.size()-1; ++i) std::cout<<v[i]<<" "; std::cout<<v.back(); } if(endline) std::cout<<std::endl; } vec prime; int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); cin>>A>>B; N = B - A + 1; reps(i, 2, 72){ bool pr = true; reps(j, 2, i) if(i%j == 0) pr = false; if(pr) prime.push_back(i); } vector<int> pelem(N, 0); rep(i, 20){ ll p = prime[i]; rep(j, N){ pelem[j] |= (((A + j)%p == 0) ? 1 : 0)<<i; } } vec dp(1<<20, 0), ndp(1<<20, 0); dp[0] = 1; rep(i, N){ int a_s = pelem[i]; //cout<<bitset<20>(a_s)<<endl; rep(s, 1<<20){ if((s&a_s) == 0){ ndp[s | a_s] += dp[s]; } } rep(s, 1<<20) { dp[s] += ndp[s]; ndp[s] = 0; } } cout<<accumulate(ALL(dp), 0)<<endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define pint pair<int, int> #define pll pair<ll, ll> const ll INF = 1LL << 60; // const int MOD = 1000000007; const ll MOD = 998244353; ll dp[5100][5100]; char field[5100][5100]; ll modpow(ll m, ll n) { if (n == 1) return m; if (n == 0) return 1; ll res; ll t = modpow(m, n / 2); ll tmp; if (n % 2 == 0) { tmp = (t * t) % MOD; } else { tmp = (((t * t) % MOD) * m) % MOD; } return tmp; } ll pow(ll a, ll n) { ll ret = 1; for (; n > 0; n >>= 1, a = a * a % MOD) { if (n % 2 == 1) { ret = ret * a % MOD; } } return ret; } ll inv(ll a) { return pow(a, MOD - 2); } int main() { int h, w, k; cin >> h >> w >> k; for (int i = 0; i < k; i++) { int x, y; char c; cin >> y >> x >> c; x--; y--; field[y][x] = c; } dp[0][0] = modpow(3, h * w - k); ll inv3 = inv(3); for (int y = 0; y < h; y++) { for (int x = 0; x < w; x++) { char c = field[y][x]; if (c == 'X') { dp[y][x + 1] += dp[y][x]; dp[y + 1][x] += dp[y][x]; } else if (c == 'R') { dp[y][x + 1] += dp[y][x]; } else if (c == 'D') { dp[y + 1][x] += dp[y][x]; } else { dp[y][x + 1] += dp[y][x] * 2 * inv3; dp[y + 1][x] += dp[y][x] * 2 * inv3; } dp[y][x + 1] %= MOD; dp[y + 1][x] %= MOD; } } cout << dp[h - 1][w - 1] << endl; }
#include <bits/stdc++.h> #include <ext/rope> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> //#pragma GCC optimize("Ofast") //#pragma GCC optimize("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") //#define int long long #define pb push_back #define x first #define y second #define mk(a,b) make_pair(a,b) #define rr return 0 #define sqr(a) ((a)*(a)) #define all(a) (a).begin(), (a).end() #define sz(a) (int)(a).size() using namespace std; using namespace __gnu_cxx; using namespace __gnu_pbds; using ll = long long; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; template<class value, class cmp = less<value> > using ordered_set = tree<value, null_type, cmp, rb_tree_tag, tree_order_statistics_node_update>; template<class value, class cmp = less_equal<value> > using ordered_multiset = tree<value, null_type, cmp, rb_tree_tag, tree_order_statistics_node_update>; template<class key, class value, class cmp = less<key> > using ordered_map = tree<key, value, cmp, rb_tree_tag, tree_order_statistics_node_update>; /// find_by_order() /// order_of_key() mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); inline int randll(int l = INT_MIN, int r = INT_MAX) { return uniform_int_distribution<int>(l, r)(rng); } const int INF = 1e9; int MOD = 1e9 + 7; const ll LINF = 1e18; const int dx[] = {0, 0, 1, -1}, dy[] = {1, -1, 0, 0}; inline bool inside (int x, int y, int n, int m) { return 0 <= x && 0 <= y && x < n && y < m; } template<class T> bool umin (T &a, T b) {return a > b ? (a = b, true) : false; } template<class T> bool umax (T &a, T b) {return a < b ? (a = b, true) : false; } inline int mul (int a, int b, int m = MOD) { return ((ll)a * b) % m; } inline int binpow (int a, int n, int m = MOD) { int ans = 1; for (; n; n >>= 1) { if (n & 1) ans = mul(ans, a, m); a = mul(a, a, m); } return ans; } inline void add (int &a, int x, int m = MOD) { a += x; if (a >= m) a -= m; if (a < 0) a += m; } inline int sum (int a, int b, int m = MOD) { a += b; if (a >= m) a -= m; if (a < 0) a += m; return a; } inline int inv (int x, int m = MOD) { return binpow(x, m - 2, m); /// only if m is prime } vector <int> f, fi; inline void precalc_f (int n, int m = MOD) { f.resize(n); fi.resize(n); f[0] = 1; for (int i = 1; i < n; i++) { f[i] = mul(f[i - 1], i, m); } fi[n - 1] = inv(f[n - 1], m); for (int i = n - 2; i >= 0; i--) { fi[i] = mul(fi[i + 1], i + 1, m); } } inline int A (int n, int k, int m = MOD) { return mul(f[n], fi[n - k], m); } inline int C (int n, int k, int m = MOD) { return mul(A(n, k), fi[k], m); } const int N = 101; int dp[N][N * N * (N + 1) / 2] = {}; main() { ios::sync_with_stdio(0); ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, k; cin >> n >> k >> MOD; dp[0][0] = 1; for (int x = 1; x <= n; x++) { vector <int> S(x); for (int s = 0, y = 0; s <= k * n * (n + 1) / 2; s++) { add(S[y], dp[x - 1][s]); if ((k + 1) * x <= s) { add(S[y], -dp[x - 1][s - (k + 1) * x]); } dp[x][s] = S[y]; add(y, 1, x); } } // for (int i = 1; i <= n; i++) { // for (int j = 0; j <= k * n * (n + 1) / 2; j++) { // cout << dp[i][j] << ' '; // } // cout << '\n'; // } for (int x = 1; x <= n; x++) { int ans = 0; for (int s = 1; s <= k * n * (n + 1) / 2; s++) { add(ans, mul(dp[x - 1][s], dp[n - x][s])); } ans = mul(ans, k + 1); add(ans, k); cout << ans << '\n'; } }
#include <iostream> #include <vector> #include <string> using namespace std; int main(){ int N, K, M; cin >> N >> K >> M; int sumA = 0; for(int i = 0; i < N-1; ++i){ int tmp ; cin >> tmp; sumA += tmp; } for(int i = 0; i <= K; ++i){ if((sumA + i) / N >= M){ cout << i << endl; return 0; } } cout << "-1" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define SELECTER(_1, _2, _3, SELECT, ...) SELECT #define REP1(i, n) for(int (i)=0; (i)<(n); (i)++) #define REP2(i, a, b) for(int (i)=(a); (i)<(b); (i)++) #define REP(...) SELECTER(__VA_ARGS__, REP2, REP1,) (__VA_ARGS__) #define MOD 1000000007 template <class T> ostream& operator<<(ostream& os, const vector<T>& v){ os << "{"; for(size_t i=0; i<v.size(); i++) os << v[i] << (i+1==v.size() ? "" : ", "); os << "}"; return os; } template <class T, class U> ostream& operator<<(ostream& os, const pair<T, U>& p){ return os << "{" << p.first << ", " << p.second << "}"; } int main(){ int N, K, M; cin >> N >> K >> M; vector<int> A(N-1); REP(i, N-1) cin >> A[i]; int sm = 0; REP(i, N-1) sm += A[i]; int rem = max(0, M*N - sm); if(rem > K) cout << -1 << endl; else cout << rem << endl; return 0; }
//BISMILLAHIR RAHMANIR RAHIM #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define mem(a, b) (memset(a, b, sizeof(a))) #define pb push_back #define mk make_pair #define ff first #define ss second #define PI acos(-1) #define INF 2147483647 #define MOD 1000000007 #define MAX 200005 using namespace std; using namespace __gnu_pbds; typedef long long ll; typedef vector<int> vi; typedef pair<int, int> ii; typedef pair<ii, int> pii; typedef vector<ii> vii; typedef priority_queue<int,vector<int>,greater<int> > PQ; typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; int setBit(int mask, int pos){return mask = mask | (1<<pos);} bool checkBit(int mask, int pos){return (bool)(mask & (1<<pos));} ll arr[45]; int main() { ios::sync_with_stdio(0), cin.tie(0), cout.tie(0); int n; ll t; cin>>n>>t; for(int i = 0; i < n; i++) cin>>arr[i]; int k = n / 2; set<ll> s1; ordered_set s2; for(int i = 0; i < (1<<k); i++) { ll sum = 0; for(int j = 0; j < k; j++) { if(checkBit(i, j)) sum += arr[j]; } s1.insert(sum); } s1.insert(0); int rem = n - k; for(int i = 0; i < (1<<rem); i++) { ll sum = 0; for(int j = 0; j < rem; j++) { if(checkBit(i, j)) sum += arr[k+j]; } s2.insert(sum); } s2.insert(0); ll ans = 0; for(set<ll> :: iterator it = s1.begin(); it != s1.end(); it++) { ll tx = *it; if(tx <= t) { ll rm = t - tx; int pos = s2.order_of_key(rm); if(s2.find_by_order(pos) != s2.end()) { if(*s2.find_by_order(pos) == rm) { ans = max(ans, tx + rm); } } if(pos > 0) { pos--; ans = max(ans, tx + *s2.find_by_order(pos)); } } else { break; } } cout<<ans<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < (n); i++) #define ll long long ll fact(int a, int b){ ll res = 1; rep(i, b) res *= a; return res; } int main(){ double k; cin >> k; string s, t; cin >> s; cin >> t; //二人のスコア ll tscore = 0; ll ascore = 0; //枚数の情報 vector<ll> ta(10, 0); vector<ll> ao(10, 0); vector<ll> used(10, 0);//二人の情報の合計 rep(i, 4){ ta[s[i] - '0']++; used[s[i] - '0']++; ao[t[i] - '0']++; used[t[i] - '0']++; } //現在の得点 rep(i, 10){ tscore += i * fact(10, ta[i]); ascore += i * fact(10, ao[i]); } double win = 0.0; double sum = 9.0*k - 8.0;//残りカード枚数 for(int i = 1; i <= 9; i++){ ll tak = tscore; if(used[i] == k) continue;//1枚も残っていない int x = k - used[i];//iの残り枚数 used[i]++; tak -= i * fact(10, ta[i]); tak += i * fact(10, ta[i] + 1); for(int j = 1; j <= 9; j++){ if(used[j] == k) continue; int y = k - used[j]; used[j]++; ll aok = ascore; aok -= j * fact(10, ao[j]); aok += j * fact(10, ao[j] + 1); if(tak > aok) { win += (double)(x) / (double) sum * (double)(y); //cout << tak << ", " << aok << " (i, j) = " << i << " " << j << endl; } //sum++; used[j]--; } used[i]--; } //cout << win << endl; //cout << sum << endl; cout << fixed << setprecision(15) << (double)(win) / (double)(sum-1.0) << endl; return 0; }
//================code===================// //#define TLE #ifdef TLE #pragma GCC optimize("O3") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #endif #include <bits/stdc++.h> #include <unordered_map> #include <unordered_set> #include <random> #include <ctime> #define ci(t) cin>>t #define co(t) cout<<t #define LL long long #define ld double #define fa(i,a,b) for(LL i=(a);i<(LL)(b);++i) #define fd(i,a,b) for(LL i=(a);i>(LL)(b);--i) #define setp tuple<LL,LL,LL> #define setl pair<int,int> #define micro 0.000001 using namespace std; LL gcd(LL a, LL b) { return a % b ? gcd(b, a % b) : b; } #ifdef OHSOLUTION #define ce(t) cerr<<t #define AT cerr << "\n=================ANS=================\n" #define AE cerr << "\n=====================================\n" #define DB(a) cerr << __LINE__ << ": " << #a << " = " << (a) << endl; #define __builtin_popcount __popcnt #define __builtin_popcountll __popcnt64 #else #define AT #define AE #define ce(t) #endif pair <int, int> vu[9] = { {0,1},{1,0},{0,1} ,{-1,0},{1,1},{1,-1}, {-1,1} , {-1,-1},{-1,-1} }; //RDLU EWSN template<typename T, typename U> void ckmax(T& a, U b) { a = a < b ? b : a; } template<typename T, typename U> void ckmin(T& a, U b) { a = a > b ? b : a; } struct gcmp { bool operator()(LL a, LL b) { return a < b; } bool operator()(setl& a, setl& b) { return a.second < b.second; } }; struct lcmp { bool operator()(LL a, LL b) { return a > b; } bool operator()(setl& a, setl& b) { return a.second > b.second; } }; const int max_v = 2e5 + 7; const int max_k = 5e2 + 7; const int bsz = (1ll << 10) + 7; const int INF = 1e9 + 7; const LL LNF = (LL)5e18 + 7ll; LL mod = 1e9 + 7; template<typename T, typename U> void MOD(T& a, U b) { a += b; if (a >= mod) a -= mod; } vector<int> adj[max_v]; vector<int> edge[max_v]; int t=-1; setl in[max_v]; void dfs(int u,int d=0) { in[u].first = ++t; edge[d].push_back(in[u].first); for (auto& v : adj[u]) dfs(v,d+1); in[u].second = t; } int main() { #ifdef OHSOLUTION freopen("input.txt", "r", stdin); #endif ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int v; ci(v); fa(i, 1, v) { int x; ci(x); --x; adj[x].push_back(i); } dfs(0); fa(i, 0, v) sort(edge[i].begin(), edge[i].end()); int q; ci(q); while (q--) { int x, y; ci(x >> y); --x; int ret = upper_bound(edge[y].begin(), edge[y].end(), in[x].second) - lower_bound(edge[y].begin(), edge[y].end(), in[x].first); co(ret << "\n"); } return 0; }
//#include <bits/stdc++.h> //using namespace std; #include <cstdio> #include <vector> using namespace std; #define rep(i,_l,_r) for(signed i=(_l),_end=(_r);i<=_end;++i) #define fep(i,_l,_r) for(signed i=(_l),_end=(_r);i>=_end;--i) #define erep(i,u) for(signed i=head[u],v=to[i];i;i=nxt[i],v=to[i]) #define efep(i,u) for(signed i=Head[u],v=to[i];i;i=nxt[i],v=to[i]) #define print(x,y) write(x),putchar(y) //#define debug(...) do {cerr<<__LINE__<<" : ("#__VA_ARGS__<<") = "; Out(__VA_ARGS__); cerr<<flush;} while(0) //template <typename T> void Out(T x) {cerr<<x<<"\n";} //template <typename T,typename ...I> void Out(T x,I ...NEXT) {cerr<<x<<", "; Out(NEXT...);} template <class T> inline T read(const T sample) { T x=0; int f=1; char s; while((s=getchar())>'9'||s<'0') if(s=='-') f=-1; while(s>='0'&&s<='9') x=(x<<1)+(x<<3)+(s^48),s=getchar(); return x*f; } template <class T> inline void write(const T x) { if(x<0) return (void) (putchar('-'),write(-x)); if(x>9) write(x/10); putchar(x%10^48); } template <class T> inline T Max(const T x,const T y) {if(x>y) return x; return y;} template <class T> inline T Min(const T x,const T y) {if(x<y) return x; return y;} template <class T> inline T fab(const T x) {return x>0?x:-x;} template <class T> inline T gcd(const T x,const T y) {return y?gcd(y,x%y):x;} template <class T> inline T lcm(const T x,const T y) {return x/gcd(x,y)*y;} template <class T> inline T Swap(T &x,T &y) {x^=y^=x^=y;} const int maxn=2e5+5; int n,siz[maxn],dep[maxn],idx,id[maxn]; vector <int> g[maxn],t[maxn]; void dfs(int u) { siz[u]=1; id[u]=++idx; // printf("co %d %d\n",u,id[u]); t[dep[u]].push_back(id[u]); for(int i=0;i<g[u].size();++i) { int v=g[u][i]; dep[v]=dep[u]+1; dfs(v); siz[u]+=siz[v]; } } int cal(int op,int L,int R) { int l=0,r=t[op].size()-1,mid,ansl=-1,ansr=-1; // rep(i,l,r) print(t[op][i],'\n'); // printf("HHH %d %d\n",L,R); while(l<=r) { mid=l+r>>1; if(t[op][mid]>=L) ansl=mid,r=mid-1; else l=mid+1; } l=0,r=t[op].size()-1; while(l<=r) { mid=l+r>>1; if(t[op][mid]<=R) ansr=mid,l=mid+1; else r=mid-1; } if(ansl==-1 || ansr==-1) return 0; return ansr-ansl+1; } int main() { n=read(9); rep(i,2,n) g[read(9)].push_back(i); dfs(1); rep(q,1,read(9)) { int x=read(9),y=read(9); print(cal(y,id[x],id[x]+siz[x]-1),'\n'); } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) #define MOD 1000000007 int main(void) { string s; cin >> s; int num[10]; rep(i,10) num[i]=0; int ans[111][10]; for(int i=0;i<111;i++) { for(int j=0;j<10;j++) ans[i][j]=0; } int e=112,tmp; for(int i=0; i<112; i++) { if(e>=1000)break; tmp=e; ans[i][tmp/100]++; ans[i][(tmp-tmp/100*100)/10]++; ans[i][tmp%10]++; e+=8; } if(s.length()==1) { if(s[0]-'0'==8) cout << "Yes" << endl; else cout << "No" << endl; } else if(s.length()==2) { int ss[2]; ss[0]=(int)(s[0]-'0'); ss[1]=(int)(s[1]-'0'); if((ss[0]*10+ss[0])%8==0) cout << "Yes" << endl; else if((ss[0]*10+ss[1])%8==0) cout << "Yes" << endl; else cout << "No" << endl; } else { for (int i = 0; i < s.length(); i++) { num[(int)(s[i]-'0')]++; } //for(int i=0;i<10;i++) cout << num[i] << endl; //104 112 120 128 136 144 152 160 ...992 //(992-104)/8+1=112 int key=1; int i,j; for( i =0;i<111;i++) { key=1; for( j=0; j<10; j++) { if(ans[i][j]>num[j]) {key=-1;} } if(key==1) {cout << "Yes" << endl; //cout << "i==" << i << endl; break;} } if(key!=1){cout << "No" << endl;} } }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, j, k) for(int i = j; i < k; i++) #define print(x) cout << x #define newline cout << endl #define space cout << ' ' #define INF 1000000007 using namespace std; using ll = long long; using vi = vector<int>; using vl = vector<ll>; int main(){ string s; cin >> s; vl v(10,0); rep(i,s.size()){ ll tmp=s[i]-'0'; v[tmp]++; } ll ev=v[2]+v[4]+v[6]+v[8]; ll od=v[1]+v[3]+v[5]+v[7]+v[9]; if(s.size()==1){ if(v[8]){ print("Yes"); return 0; } } else if(s.size()==2){ if(v[2]>0&&(v[3]+v[4]+v[7]>0)){ print("Yes"); return 0; } if(v[4]>0&&(v[2]+v[6]+v[8]>0)){ print("Yes"); return 0; } if(v[6]>0&&(v[1]+v[4]+v[5]+v[9]>0)){ print("Yes"); return 0; } if(v[8]==2){ print("Yes"); return 0; } } else{ if(v[2]>0&&(v[3]+v[7]>0)&&(ev>1)){ print("Yes"); return 0; } if(v[2]>0&&(v[4]>0)&&(ev>2)){ print("Yes"); return 0; } if(v[4]>0&&(v[2]+v[6]+v[8]>0)&&(ev>2)){ print("Yes"); return 0; } if(v[6]>0&&(v[1]+v[5]+v[9]>0)&&(ev>1)){ print("Yes"); return 0; } if(v[8]>1&&(ev>2)){ print("Yes"); return 0; } if(v[2]>0&&(v[1]+v[5]+v[9]>0)&&(od>1)){ print("Yes"); return 0; } if(v[2]>0&&v[8]>0&&ev>0){ print("Yes"); return 0; } if(v[4]>1&&od>0){ print("Yes"); return 0; } if(v[8]>0&&(v[4]+v[6]>0)&&od>0){ print("Yes"); return 0; } if(v[6]>0&&v[3]+v[7]>0&&od>1){ print("Yes"); return 0; } } print("No"); return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ long long n; cin >> n; double N = sqrt(n); int count = 0; /*vector<long long> vec(n, 2000000000000);*/ priority_queue<long long, vector<long long>, greater<long long>> Q1; for (int i = 1; i <= N; i++){ if (n % i == 0 && i != n /i){ Q1.push(i); Q1.push(n / i); /*vec[i] = i; vec[n / i] = n / i;*/ count += 2; } if (n % i == 0 && i == n /i){ Q1.push(i); count++; } } /*sort(vec.begin(), vec.end());*/ /*for(int i = 0; i < count; i++){*/ while(count > 0){ cout << Q1.top() << endl; Q1.pop(); count--; } }
#include <bits/stdc++.h> using namespace std; // clang-format off // #include <atcoder/all> // using namespace atcoder; // using mint = modint1000000007; // using mint = modint998244353 using ll = int64_t; template <class T> istream& operator>>(istream& is, vector<T>& v) { for (auto& a : v) cin >> a; return is; } template <class T> istream& operator>>(istream& is, vector<pair<T, T>>& v) { for (auto& a : v) cin >> a.first >> a.second; return is; } template <class T> istream& operator>>(istream& is, vector<tuple<T, T, T>>& v) { for (auto& a : v) { T a1, a2, a3; cin >> a1 >> a2 >> a3; a = {a1, a2, a3}; } return is; } template <class T> ostream& operator<<(ostream& os, vector<T>& v) { for (auto& a : v) os << a << " "; os << endl; return os; } template<class T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } #define all(v) begin(v), end(v) #define rall(v) rbegin(v), rend(v) #define TRC1(a) cout << #a ":" << a #define TRC2(a, b) TRC1(a); cout << " "; TRC1(b) #define TRC3(a, b, c) TRC2(a, b); cout << " "; TRC1(c) #define TRC4(a, b, c, d) TRC3(a, b, c); cout << " "; TRC1(d) #define GET_NAME(_1,_2,_3,_4,NAME,...) NAME #define TRC(...) GET_NAME(__VA_ARGS__, TRC4, TRC3, TRC2, TRC1) (__VA_ARGS__) << endl using veci = vector<int>; using vecll = vector<ll>; using Pi = pair<int, int>; using Ti = tuple<int, int, int>; #define _overload3(_1,_2,_3,name,...) name #define _rep(i,n) repi(i,0,n) #define repi(i,a,b) for(int i=int(a);i<int(b);++i) #define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__) const int IINF = INT32_MAX; const ll LINF = INT64_MAX; // cout << fixed << setprecision(15); void solve(); int main() { cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(15); solve(); return 0; } // clang-format on void calc(int n) { int i = 1; veci a; while (n > 0) { if (n & 1) a.push_back(i); ++i; n >>= 1; } cout << a.size() << " "; for (int x : a) { cout << x << " "; } cout << endl; } void solve() { int N; cin >> N; veci A(N); cin >> A; N = min(N, 8); veci s(200); rep(i, 1, 1 << N) { int sum = 0; rep(j, N) if (i >> j & 1) sum = (sum + A[j]) % 200; if (s[sum] == 0) s[sum] = i; else { cout << "Yes" << endl; calc(s[sum]); calc(i); return; } } cout << "No" << endl; }
#include<bits/stdc++.h> using namespace std; long long int power(long long int x,long long int y,long long int p) { long long int res = 1; x = x % p; if (x == 0) return 0; while (y > 0) { if (y & 1) res = (res*x) % p; y = y>>1; x = (x*x) % p; } return res; } long long int gcdExtended(long long int a,long long int b, long long int *x,long long int *y) { if (a == 0) { *x = 0, *y = 1; return b; } long long int x1, y1; long long int gcd = gcdExtended(b%a, a, &x1, &y1); *x = y1 - (b/a) * x1; *y = x1; return gcd; } long long int modInverse( long long int b,long long int m) { long long int x, y; long long int g = gcdExtended(b, m, &x, &y); if (g != 1) return -1; return (x%m + m) % m; } long long modDivide(long long int a,long long int b,long long int m) { a = power(10,a,m); long long int inv = modInverse(b, m); return (inv*a)%m; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); long long int mod=1000000007; int t=1; // cin>>t; while(t--){ int n; cin>>n; vector<int> arr(n); for(int i=0;i<n;i++){ cin>>arr[i]; } int sum=0; for(int i=0;i<n;i++){ int b; cin>>b; arr[i]*=b; sum+=arr[i]; } if(sum==0){ cout<<"Yes\n"; } else cout<<"No\n"; } return 0; }
#include<bits/stdc++.h> using namespace std; #define I inline int #define V inline void #define ll long long int #define isnum(ch) ('0'<=ch&&ch<='9') #define FOR(i,a,b) for(int i=a;i<=b;i++) #define ROF(i,a,b) for(int i=a;i>=b;i--) #define REP(u) for(int i=h[u],v;v=e[i].t,i;i=e[i].n) #define gc (_op==_ed&&(_ed=(_op=_buf)+fread(_buf,1,100000,stdin),_op==_ed)?EOF:*_op++) char _buf[100000],*_op(_buf),*_ed(_buf); I getint(){ int _s=0,_f=1;char _ch=gc; while(!isnum(_ch))(_ch=='-')&&(_f=-1),_ch=gc; while(isnum(_ch))_s=_s*10+_ch-48,_ch=gc; return _s*_f; } const int N=2e5+1,mod=998244353; V check(int&x){x-=mod,x+=x>>31&mod;} V cmax(int&x,int y){if(x-y>>31)x=y;} V cmin(int&x,int y){if(y-x>>31)x=y;} ll n,m; V input(){ cin>>n; m=sqrt(n); FOR(i,1,m)if(n%i==0) cout<<i<<'\n'; if(n/m==m)m--; ROF(i,m,1)if(n%i==0) cout<<n/i<<'\n'; } V init(){ } V work(){ } int main(){ // for(scanf("%d",&T);T--;){ input(); init(); work(); // } return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #define int long long #define ll long long #define F(type, i, a, b, incr) for (type i = a; i <= (type)(b); i += (type)(incr)) #define RF(type, i, a, b, decr) for (type i = a; i >= (type)(b); i -= (type)(decr)) #define sz(a) sizeof(a) #define deb(a) cerr << " [" << #a << "->" << a << "] " #define next_line cerr << '\n' #define all(a) a.begin(), a.end() #define iter(it, s) for (auto it = s.begin(); it != s.end(); it++) #define setbits(x) __builtin_popcountll(x) using namespace __gnu_pbds; using namespace std; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set; typedef pair<int, int> pii; typedef pair<ll,ll> pll; void solve() { int k, n, m; cin >> k >> n >> m; vector<int> A(k); for(int &x: A) cin >> x; vector<int> Aux(k); int s = 0; vector<pii> Ps_B(k); F(int, i, 0, k - 1, 1){ s += ((A[i] * m) % n); Ps_B[i].first = ((A[i]*m) % n); Ps_B[i].second = i; } s /= n; sort(all(Ps_B)); RF(int, i, s, 1, 1){ Ps_B[k - i].first -= n; } vector<int> fin_ans(k); F(int,i, 0, k - 1, 1){ fin_ans[Ps_B[i].second] = ((A[Ps_B[i].second] * m) - Ps_B[i].first) / n; } for(int x: fin_ans){ cout << x << ' '; } cout << '\n'; } signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); // freopen("Debug.txt", "w", stderr); #else #endif // cout << fixed << setprecision(10); // int _t; // cin>>_t; // F(int, i, 1, _t, 1){ // cout << "Case #" << i << ": "; solve(); // } }
#include "bits/stdc++.h" using namespace std; #define REP(i, n) for(ll i = 0;i < n;i++) #define ll long long #define MOD 998244353LL using vi = vector<ll>; // intの1次元の型に vi という別名をつける using vvi = vector<vi>; // intの2次元の型に vvi という別名をつける using vvvi = vector<vvi>; // intの2次元の型に vvi という別名をつける const ll llMAX=9223372036854775807LL; const ll llMIN=-9223372036854775808LL; void myprint1D(vi &data) { REP(i,data.size()) cout<<data[i]<<" "; cout<<endl; } //配列を[y][x]で表示 void myprint2D_T(vvi &data) { REP(i,data.size()) myprint1D(data[i]); } //配列を[x][y]で表示 void myprint2D(vvi &data) { ll l1=data.size(); ll l2=data[0].size(); REP(j,l2){ REP(i,l1) cout<<data[i][j]<<" "; cout<<endl; } } //print(a,b...)って使い方 void print1(ll a){cout<<a<<endl;} void print2(ll a,ll b){cout<<a<<" "<<b<<endl;} void print3(ll a,ll b,ll c){cout<<a<<" "<<b<<" "<<c<<endl;} void print4(ll a,ll b,ll c,ll d){cout<<a<<" "<<b<<" "<<c<<" "<<d<<endl;} void print5(ll a,ll b,ll c,ll d,ll e){cout<<a<<" "<<b<<" "<<c<<" "<<d<<" "<<e<<endl;} //moddivとnCkとgarner //c剰余下でaをbで割った値 ll moddiv(ll a,ll b,ll c){ ll x0=c,x1=b,x2,n0=0LL,n1=1LL,n2,t=a%b,m,ans; if (t==0LL) return a/b; for(int i=0;i<900;i++){ m=x0/x1; x2=x0-x1*m; n2=(n0-m*n1)%c; if (x2==1LL){ ans=(n2+c)%c; break; } x0=x1;x1=x2; n0=n1;n1=n2; } return (a+((t*ans)%c)*b-t)/b; } //剰余の割ざん //aのn乗 mod c ll expmod(ll a,ll n,ll c){ ll ans=1LL,aa=a,beki=n; for(int i=0;i<64;i++){ if (beki%2==1LL) ans=ans*aa%c; aa=aa*aa%c; beki/=2LL; if (beki==0LL)break; } return ans; } //nCk vi mulmod(500001);//0!,1!,2!,3!,4!,,,, void first_nCk(){ mulmod[0]=1LL; for(ll i=1;i<500001;i++){ mulmod[i]=mulmod[i-1]*i%MOD; } } ll nCk(ll nn,ll kk){ return moddiv(mulmod[nn],mulmod[kk]*mulmod[nn-kk]%MOD,MOD); } ll modinv(ll a,ll b){ return moddiv(1,a,b); } ll garner(__int128_t a,__int128_t b,__int128_t ar,__int128_t br){ __int128_t tmp=(br-ar)%b*modinv(a,b)%b; if (tmp<0)tmp+=b; return ar+tmp*a; } ll a_,b_,c_; int main(){ ll ans=0; cin >> a_>>b_>>c_; /* a_=moddiv(a_*(a_+1LL)%MOD,2LL,MOD); b_=moddiv(b_*(b_+1LL)%MOD,2LL,MOD); c_=moddiv(c_*(c_+1LL)%MOD,2LL,MOD); */ a_=(a_*(a_+1)/2)%MOD; b_=(b_*(b_+1)/2)%MOD; c_=(c_*(c_+1)/2)%MOD; ans=(((a_*b_)%MOD)*c_)%MOD; cout<<ans<<endl; return 0; }
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; constexpr ll MOD = 998244353; #ifndef ONLINE_JUDGE template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " (" << x.first << " : " << x.second << ")" << ","; o << " }"; return o;} template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "["; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "]"; return o;} ostream &operator<<(ostream &o, const string &obj) {o << "\""; o << obj.c_str(); o << "\""; return o;} template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "(" << obj.first << ", " << obj.second << ")"; return o;} template <template <class tmp> class T, class U> ostream &operator<<(ostream &o, const T<U> &obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr)o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} void print_sim_py(void) {cout << endl;} template <class Head> void print_sim_py(Head&& head) {cout << head;print_sim_py();} template <class Head, class... Tail> void print_sim_py(Head&& head, Tail&&... tail) {cout << head << " ";print_sim_py(forward<Tail>(tail)...);} #define print(...) print_sim_py(__VA_ARGS__); #else #define print(...); #endif template <typename... Ts> std::istream& IN(Ts&... xs){ return (std::cin >> ... >> xs); } #define repr(i, a, b) for (int i = a; i < b; i++) #define rep(i, n) for (int i = 0; i < n; i++) #define Rrepr(i, a, b) for (int i = b; i >= a; i--) #define Rrep(i, n) for (int i = n-1; i >= 0; i--) bool dfs(ll p, vector<vector<ll>>& v,vector<ll>& fin_list, vector<ll>& cv,ll c, ll depth){ bool closed = false; if(fin_list[p]){ if(depth >= 3) return true; else return false; } cv[p] = c; fin_list[p] = 1; rep(i, v[p].size()){ if(v[p][i]){ closed |= dfs(i, v, fin_list, cv, c, depth+1); } } return closed; } class Vsum2{ public: vector<vector<ll>> vsum; Vsum2(vector<vector<ll>>& a, function<ll (ll&)> func=[](auto& a){ return a; }){ ll h = a.size(); ll w = a[0].size(); vsum.resize(h+1, vector<ll>(w+1, 0)); repr(i,0,h){ ll jsum = 0; rep(j,w){ jsum += func(a[i][j]); vsum[i+1][j+1] = jsum + vsum[i][j+1]; } } //print("#", vsum) } ll range(ll y1,ll x1, ll y2,ll x2){ return (vsum[y2][x2] - vsum[y2][x1] - vsum[y1][x2] + vsum[y1][x1]); } }; int main(void){ ios::sync_with_stdio(false); cin.tie(nullptr); ll n,k; IN(n,k); vector<vector<ll>> a(n, vector<ll>(n, 0)); ll amax = 0; rep(i,n){ rep(j,n){ IN(a[i][j]); amax = max(amax, a[i][j]); } } ll l = -1 ,r = 1e9; while(l+1<r){ ll m = (l+r)/2; bool ok = false; Vsum2 asum(a, [&](auto& a){ return a > m; }); rep(i,n-k+1){ rep(j, n-k+1){ ll sumr = asum.range(i,j, i+k,j+k); if(sumr < k*k/2+1){ ok = true; } } } if(ok){ r=m; }else{ l=m; } } ll ans = r; cout << ans << endl; return 0; }
#pragma GCC optimize(2) #pragma GCC optimize(3) #include <bits/stdc++.h> using namespace std; typedef long long LL; const int N = 2e5+3; #define fi first #define se second #define pb push_back #define wzh(x) cerr<<#x<<'='<<x<<endl; int n,a[N],b[N],f[N]; LL s[N]; int main() { ios::sync_with_stdio(false); cin.tie(0); cin>>n; LL sum=0; for(int i=1;i<=n;i++)cin>>a[i]>>b[i],f[i]=i,sum+=a[i]+b[i]; sort(f+1,f+1+n,[](int x,int y){ return 2ll*a[x]+b[x]<2ll*a[y]+b[y]; }); int tot=n; //sum - b -2*x for(int i=1;i<=n;i++){ if(sum-b[f[i]]-2ll*a[f[i]]>0){ sum-=b[f[i]]+2ll*a[f[i]]; tot--; // cout<<sum<<endl; }else break; } cout<<tot<<'\n'; return 0; }
#pragma GCC optimize ("O3") #pragma GCC target ("sse4") #pragma GCC optimize("Ofast") #pragma GCC optimize("Ofast,unroll-loops") #pragma GCC target("avx,avx2,fma") #include <bits/stdc++.h> using namespace std; #define FAST ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0) //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> //using namespace __gnu_pbds; #define int long long #define ll long long #define all(a) a.begin(),a.end() #define rev(a) a.rbegin(),a.rend() //typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; //less_equal for multiset #define ar array #define pb push_back #define fi(a,b) for(int i=a;i<(b);i++) #define fj(a,b) for(int j=a;j<(b);j++) #define fk(a,b) for(int k=a;k<(b);k++) //const double pi=acosl(-1); void solve() { int n; cin>>n; vector<pair<int,int>> a(n); fi(0,n) cin>>a[i].first>>a[i].second; int m; cin>>m; vector<pair<int,int>> op(m); fi(0,m) { cin>>op[i].first; if(op[i].first>2) cin>>op[i].second; } int Q; cin>>Q; vector<ar<int,3>> q(Q); fi(0,Q) { cin>>q[i][0]>>q[i][1]; --q[i][0],--q[i][1]; q[i][2]=i; } sort(all(q)); vector<pair<int,int>> ans(Q); int j=0; while(j<Q&&q[j][0]==-1) { ans[q[j][2]]=a[q[j][1]]; j++; } int rot=0; int flipx=0,flipy=0; int sx=1,sy=1; fi(0,m) { if(op[i].first>2) { if(op[i].first==3) { sx=-sx; flipx=2*op[i].second-flipx; } else { sy=-sy; flipy=2*op[i].second-flipy; } } else { if(op[i].first==1) { // rot++; swap(flipx,flipy); swap(sx,sy); rot=!rot; sy=-sy; flipy=-flipy; } else { // rot--; swap(flipx,flipy); swap(sx,sy); rot=!rot; sx=-sx; flipx=-flipx; // if(rot<0) rot+=4; } } while(j<Q&&q[j][0]==i) { int x=a[q[j][1]].first; int y=a[q[j][1]].second; //apply if(rot==1) { swap(x,y); } ans[q[j][2]]={x*sx+flipx,y*sy+flipy}; j++; } } for(auto temp:ans) { cout<<temp.first<<' '<<temp.second<<'\n'; } } signed main() { FAST; int tt=1; //cin>>tt; while(tt--) { solve(); } }
///Bismillahir Rahmanir Rahim #include<bits/stdc++.h> using namespace std; #define FAST ios_base::sync_with_stdio(false);cin.tie(NULL) #define ll long long #define pb push_back #define pp pop_back #define mp make_pair #define pi 2*acos(0.0) #define scan(i) scanf("%lld",&i) #define scann(i,j) scanf("%lld%lld",&i,&j) #define print(i) printf("%lld\n",i) #define printt(i,j) printf("%lld %lld\n",i,j) #define loop(i,n) for(int i = 0 ; i <n ; i++) #define loopp(i,n) for(int i = 0 ; i <n-1 ; i++) #define rep(i,n) for(int i=n-1;i>=0;i--) #define rev(v) reverse(v.begin(),v.end()) #define reset(a,b) memset(a,b,sizeof(a)) #define vect vector<ll> #define vec_it vector<ll>::reverse_iterator vi #define sorta(v) sort(v.begin(),v.end()) #define sortd(v) sort(v.begin(),v.end(),greater<>()) #define sorted(v) is_sorted(v.begin(),v.end()) #define mapp map<ll,ll> #define rmap map<ll,ll,greater<>>m #define pairr pair<ll,ll> #define sett set<ll> #define rset set<ll,greater<>>s #define set_it set<ll>::reverse_iterator si #define map_it map<ll,ll> :: reverse_iterator mi #define digit(n) floor(log10(n)+1) #define yes cout<<"YES"<<endl #define no cout<<"NO"<<endl #define ff first #define ss second #define mx INT_MAX #define lmx LLONG_MAX #define mn INT_MIN #define lmn LLONG_MIN #define inf 0x3f3f3f3f #define inff 10e18 #define GCD __gcd(a,b) #define LCM (a/GCD)*b template <typename T> T gcd(T a,T b){return (b==0)?a:gcd(b,a%b);} template <typename T> T lcm(T a,T b) {return a*(b/gcd(a,b));} ll modulo (ll a, ll b) { return a >= 0 ? a % b : ( b - abs ( a%b ) ) % b; } void solve() { // freopen ("(input).txt" , "r", stdin) ; string st,stt; ll low=0,high=0; ll l,r; char ch; ll n,k,t,x,y,z,d=0,cnt=0,temp=0,sum=0,f=0,flag=0; cin>>n>>k>>x>>y ; vect v ,a ; sett s ; mapp m,mm ; pairr p ; if(n==k) cout<<x<<endl; else if(n>k) { sum+=x;d=n; d--; if(2*x<=y) sum+=(d-k)*2*x; else sum+=(d-k)*y; cout<<sum<<endl; } else { sum+=x; if(2*x<=y) sum+=(k-n)*2*x; else sum+=(k-n)*y; cout<<sum<<endl; } } main() { int t; // cin>>t; // while(t--) solve(); }
#include <bits/stdc++.h> #include <vector> #include <set> #include <map> #include <string> #include <algorithm> #include <cmath> #include <queue> #include <stack> using namespace std; #define pq_max priority_queue<ll> #define pq_min priority_queue<ll,vi,greater<ll>> #define iint int #define f(i,a,b) for(ll i=a;i<b;i++) #define f0(i,n) f(i,0,n) #define fr(i,a,b) for(ll i=a;i>=b;i--) #define for1(i,n) for(ll i=1;i<=n;i++) #define pb push_back #define tc(t) int t;cin >>t;while(t--) #define lol std::ios::sync_with_stdio(false); cin.tie(NULL); #define endl "\n" #define ss second #define ff first #define ll long long #define lld long double #define int long long #define pii pair< int,int > #define pll pair< ll,ll > #define sz(a) a.size() const long long inf = 1e18; #define all(a) a.begin(),a.end() #define arr(a,n) int a[n];f0(i, n) cin >> a[i]; #define ini(a,n) memset(a,n,sizeof(a)) #define printArr(a,n) f0(i,n) cout<<a[i]<<" "; #define in cin>> #define rr return 0; #define vi vector< int > #define vs vector<string> #define l_b lower_bound #define u_b upper_bound #define mod 1000000007 #define pi 3.141592653589793238 #define fmap(m) for(auto it:m) #define deb(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); } #define debarr(arr,a,b) for(int i=(a);i<(b);i++) cout<<(arr[i])<<" ";cout<<endl; #define long_max numeric_limits<ll>::max() vs tokenizer(string str, char ch) {std::istringstream var((str)); vs v; string t; while (getline((var), t, (ch))) {v.pb(t);} return v;} void err(istream_iterator<string> it) {} template<typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cout << *it << " = " << a << endl; err(++it, args...); } int dx[8] = { +1, +1, +1, 0, 0, -1, -1, -1}; int dy[8] = { +1, 0, -1, +1, -1, +1, 0, -1}; int dx4[4] = { +1 , -1 , +0 , +0}; int dy4[4] = { 0 , 0 , +1 , -1}; int dx2[2] = {0, 1}; int dy2[2] = {1, 0}; const int N = 1e4 + 10; void solve() { vector<vi>ncr(61 , vi(61, 0)); ncr[0][0] = 1 ; for (int i = 1; i < 61; i++) { ncr[i][0] = 1; for (int j = 1 ; j < i; j++) ncr[i][j] = ncr[i - 1][j - 1] + ncr[i - 1][j]; ncr[i][i] = 1; } int a, b, k; cin >> a >> b >> k; int n = a + b; f0(i, n) { int cnt = ncr[a - 1 + b][b]; if (cnt >= k) //we put a { cout << 'a'; a--; } else { cout << 'b'; b-- ; k -= cnt; } } cout << '\n'; } signed main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif lol; int t = 1; // cin >> t; while (t--) solve(); return 0; }
#include<bits/stdc++.h> typedef long long int ll; typedef long double ld; typedef std::vector<ll> vi; typedef std::vector<std::vector<ll> > vv; typedef std::vector<std::pair<ll,ll> > pii; typedef std::pair<ll,ll> pi; #define mod 1000000007 #define IO ios_base::sync_with_stdio(false);cin.tie(NULL); #define fo(i,a,b) for(i=a;i<b;i++) #define forr(i,a,b) for(i=a;i>=b;i--) #define mp make_pair #define pb(x) push_back(x) #define fi first #define se second #define print(vec,a,b) for(ll i=a;i<b;i++) cout<<vec[i]<<" ";cout<<endl; #define all(a) a.begin(),a.end() #define input(vec,a,b) for(ll i = a;i<b;i++) cin>>vec[i]; #define ms(a,val) memset(a,val,sizeof(a)) using namespace std; const int N = 1e5+ 5; ll expo_pow(ll x, ll y) { if (y == 0) return 1; y = y % (mod - 1); x %= mod; if (y == 0) y = mod - 1; ll res = 1; while (y) { if (y & 1) res = (res * x) % mod; x = (x * x) % mod; y >>= 1; } return res; } ll modInverse(ll a, ll m = mod) { return expo_pow(a, m - 2); } void solve(){ ll i,j,n,m,k; cin>>n; vi t(n,0); input(t,0,n); ll pos[N] = {0}; pos[0] = 1; fo(j,0,n) { fo(i,0,N) { if(i + t[j] >= N) continue; if(pos[i] == 1 && pos[i+t[j]] == 0) pos[i+t[j]] = 2; } fo(i,0,N) { if(i + t[j] >= N) continue; if(pos[i+t[j]] == 2) pos[i+t[j]] = 1; } } ll sum = 0; fo(i,0,n) sum+=t[i]; ll val = ceil(1.0*sum/2); fo(i,val,N-1) { if(pos[i] == 1) { cout<<i<<endl; return; } } } int main() { //IO; ll t=1,i; //cin>>t; while(t--) { solve(); } return 0; }
#include <cstdio> #include <algorithm> using namespace std; int a[200005]; int main() { int n, m; scanf("%d%d", &n, &m); a[0] = 0; a[m + 1] = n + 1; for (int i = 1; i <= m; i++) { scanf("%d", &a[i]); } sort(a + 1, a + 1 + m); int g = 1e9; for (int i = 1; i <= m + 1; i++) { if (a[i] - a[i - 1] - 1) { g = min(g, a[i] - a[i - 1] - 1); } } int ans = 0; for (int i = 1; i <= m + 1; i++) { if (a[i] - a[i - 1] - 1) { ans += (a[i] - a[i - 1] - 1 + g - 1) / g; } } printf("%d\n", ans); return 0; }
/* How To Solve It 1st. Understanding The Problem 未知なもの、データ(与件), 条件 は何か? その条件は未知を決定するために十分か? 条件を分解せよ, 図を描け 2nd. Devising A Plan 類似、関連のある問題、典型問題を知らないか? 役立ちそうな定理やアルゴリズムを知らないか? 問題の一部を解決できるか、一部だけ残して他を切り捨ててみろ 既知のものやデータを変えることはできるか? 3rd. Carrying Out The Plan 各ステップで誤りがないか、正しいと説明できるか? 4th. Looking Back 別解、他の問題に使えそうなものはあるか? */ /*{{{ #include */ #include <iostream> #include <cstdio> #include <string> #include <vector> #include <set> #include <queue> #include <stack> #include <map> #include <tuple> #include <algorithm> #include <utility> #include <cmath>/*}}}*/ /*{{{ namespace R2357 */ namespace R2357 { inline void IN(void){return;} template<class F,class... R>inline void IN(F& f,R&... r){std::cin>>f;IN(r...);} template <class T>inline void OUT(T x){std::cout<<x<<'\n';} template<class T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;} template<class T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;} template<class T=int>T read(){ T x=0; char c; while(((c=getchar())>'9'||c<'0')&&c!='-'); const bool f=(c=='-')&&(c=getchar()); while(x=x*10-48+c,(c=getchar())>='0'&&c<='9'); return f?-x:x; } template<class T>std::istream& operator>>(std::istream& is,std::vector<T>& V){ for(auto& v:V)is>>v; return is; } template<class T1,class T2> std::istream& operator>>(std::istream& is,std::pair<T1,T2>& P){ return is>>P.first>>P.second; } template<class T>inline T ceil_div(T a,T b){ return (a+(b-1))/b; } namespace debug { using namespace std; void Write(void){cerr<<endl;} template<class F,class...R>void Write(F f,R...r){cerr<<' '<<f;Write(r...);} template<class T>void Write(vector<T>& V,int n=-1){ if(n==-1) n = V.size(); for(int i=0;i<n;i++)cerr<<' '<<V[i]; cerr<<endl; } template<class T,class U> void Write(pair<T,U>& p){cerr<<' '<<'{'<<p.first<<','<<p.second<<'}'<<endl;} #include <cxxabi.h> template<class T>string TypeName(T& x){ return string(abi::__cxa_demangle(typeid(T).name(), 0, 0, 0)); } } } /*}}}*/ /*{{{ using */ using namespace std; using namespace R2357; using ll=long long; using ld=long double; using pint=pair<int,int>;/*}}}*/ /*{{{ #define */ #define rep(i,a,b) for(ll i=a;i<ll(b);i++) #define repr(i,a,b) for(ll i=a;i>=ll(b);i--) #define each(x,v) for(auto& x:v) #define el '\n' #define ALL(x) x.begin(),x.end() #define ALLR(x) x.rbegin(),x.rend() #define Unique(x) x.erase(unique(x.begin(),x.end()),x.end()) #define Fill(v,n) fill(v,v+sizeof(v)/sizeof(*v),n) #define max_element(x) *max_element(x.begin(),x.end()) #define min_element(x) *min_element(x.begin(),x.end()) #define INF 1073741824 // 2e30 #define INFL 2305843009213693952ll // 2e61 #define _FASTIO_ ios::sync_with_stdio(false),cin.tie(nullptr); /*}}}*/ /* NOTE 0. */ // using namespace debug; vector<pair<char, int>> RunLength_encode(const string& s) { vector<pair<char, int>> res; ll len = s.size(); ll l = 0; while(l < len){ int r = l + 1; while(r < len && s[l] == s[r]) r++; res.push_back({s[l], r-l}); l = r; } return res; } int main(){ _FASTIO_ int n, m; IN(n, m); string f(n, '.'); rep(_, 0, m) f[read()-1] = '#'; auto r = RunLength_encode(f); int k = INF; each(x, r) if(x.first == '.') chmin(k, x.second); ll ans = 0; each(x, r) if(x.first == '.') ans += ceil_div(x.second, k); OUT(ans); return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for(register int (i) = (a); (i) <= (int)(b); (i)++) #define repd(i, b, a) for(register int (i) = (b); (i) >= (int)(a); (i)--) #define mset(a, x) memset((a), (x), sizeof(a)) #define x first #define y second #define int long long // int 变成 long long #define LOCAL typedef pair<int, int> pii; typedef long long ll; // 重载to_string template <typename A, typename B>string to_string(pair<A, B> p);template <typename A, typename B, typename C>string to_string(tuple<A, B, C> p);template <typename A, typename B, typename C, typename D>string to_string(tuple<A, B, C, D> p);string to_string(const string& s) { return '"' + s + '"';}string to_string(const char* s) { return to_string((string) s);}string to_string(bool b) { return (b ? "true" : "false");}string to_string(vector<bool> v) { bool first = true; string res = "{"; for (int i = 0; i < static_cast<int>(v.size()); i++) { if (!first) { res += ", "; } first = false; res += to_string(v[i]); } res += "}"; return res;}template <size_t N>string to_string(bitset<N> v) { string res = ""; for (size_t i = 0; i < N; i++) { res += static_cast<char>('0' + v[i]); } return res;}template <typename A>string to_string(A v) { bool first = true; string res = "{"; for (const auto &x : v) { if (!first) { res += ", "; } first = false; res += to_string(x); } res += "}"; return res;}template <typename A, typename B>string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";}template <typename A, typename B, typename C>string to_string(tuple<A, B, C> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";}template <typename A, typename B, typename C, typename D>string to_string(tuple<A, B, C, D> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";} // 声明debug 不能打印普通数组, 自定义结构体 void debug_out() { cout << endl; }template <typename Head, typename... Tail>void debug_out(Head H, Tail... T) { cout << " " << to_string(H); debug_out(T...);} #ifdef LOCAL #define debug(...) cout << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define debug(...) 404 #endif // read --- 只能输入整数数字(int , ll) template<typename T> void read(T &x){ x = 0;char ch = getchar();ll f = 1; while(!isdigit(ch)){if(ch == '-')f*=-1;ch=getchar();} while(isdigit(ch)){x = x*10+ch-48;ch=getchar();}x*=f; } template<typename T, typename... Args> void read(T &first, Args& ... args) { read(first); read(args...); } // read end /////////////////////////////// ABOUT /////////////////////////// /* */ ////////////////////////////// START CODE /////////////////////// const int mod = 1e9 + 7; const int maxn = 1000 + 10; int n, m; int a[maxn], b[maxn]; int vis[maxn]; void solve(){ read(n, m); rep(i, 1, n){ read(a[i]); vis[a[i]] ++; } rep(i, 1, m){ read(b[i]); vis[b[i]] ++; } rep(i, 1, maxn){ if(vis[i] == 1){ cout << i << ' '; } } } signed main(){ #ifdef LOCAL // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); // debug("LOCAL"); #endif int T = 1; // cin >> T; rep(i, 1, T){ // cout << "Case #" << i << ": "; solve(); } return 0; }
#include <bits/stdc++.h> //#include <ext/pb_ds/assoc_container.hpp> #define x first #define y second #define ndl '\n' #define mp make_pair #define mt make_tuple #define pb push_back #define up_b upper_bound #define low_b lower_bound #define sz(x) (int)x.size() #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() using namespace std; //using namespace __gnu_pbds; //template<typename T> using indexed_set = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());//uniform_int_distribution<int> (l, r) typedef long long ll; typedef long double ld; typedef unsigned int uint; typedef unsigned long long ull; typedef pair<ll, ll> pll; typedef pair<int, int> pii; typedef pair<int, ll> pil; typedef pair<ll, int> pli; typedef pair<int, ull> piu; typedef vector<vector<int>> matrix; const ll INF = 1e18 + 123; const ld EPS = 1e-9; const int inf = 1e9 + 123; const int MOD = 1e9 + 7; const int N = 1003; const int M = 1e6 + 123; const double pi = 3.14159265359; const int dx[] = {0, 0, 1, -1}; const int dy[] = {1, -1, 0, 0}; char c[2][2]; int n; void add(int &a, int b){ a += b; if (a >= MOD) a -= MOD; } map<string, bool> w; int cnt = 0; void go(string s){ if (w[s]) return; w[s] = 1; if (sz(s) == min(n, 10)){ cnt++; return; } for (int i = 1; i < sz(s); i++){ string t = s; t.insert(t.begin()+i, c[s[i-1]-'A'][s[i]-'A']); go(t); } } int f[N]; void solve(){ cin >> n; f[3] = f[2] = 1; for (int i = 4; i <= n; i++){ f[i] = (f[i-1] + f[i-2]) % MOD; } //cout << n; for (int i = 0; i < 2; i++){ for (int j = 0; j < 2; j++){ char x; cin >> c[i][j]; } } go("AB"); if (n <= 10){ cout << cnt; return; } if (cnt == f[10]){ cout << f[n]; return; } if (cnt == 1){ cout << 1; return; } int ans = 1; for (int i = 4; i <= n; i++){ ans = (ans+ans)%MOD; } cout << ans; return; } int main(){ #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ios_base::sync_with_stdio(0); cin.tie(0); int t = 1; //cin >> t; for (int i = 1; i <= t; i++){ //cout << "Case #" << i << ": "; solve(); } #ifdef KAZAKH // cout << endl << 1.0 * clock() / CLOCKS_PER_SEC << endl; #endif return 0; }
#include <bits/stdc++.h> using namespace std; #define pb push_back #define eb emplace_back #define mk make_pair #define fi first #define se second #define mset(a, b) memset(a, b, sizeof(a)) using ll = long long; using pii = pair<int, int>; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); template<class Ty> Ty randint(Ty a, Ty b) { return uniform_int_distribution<Ty>(a, b)(rng); } template<class T> void DBG(T&& x) { cerr << x << " "; } template<class T, class...Args> void DBG(T&& x, Args&&... args) { DBG(x); DBG(args...); } #define DBG(...) { cerr << "[" << #__VA_ARGS__ << "]: "; DBG(__VA_ARGS__); cerr << endl; } template<class num> inline void rd(num& x) { cin >> x; } template <class Ty, class... Args> inline void rd(Ty& x, Args&... args) { rd(x); rd(args...); } template<class num> inline void print(num&& x) { cout << x; } template <class Ty, class... Args> inline void print(Ty&& x, Args&&... args) { print(x); print(' '); print(args...); } #define print(...) { print(__VA_ARGS__); print('\n'); } struct Solver { const int MAXN = 2e5 + 5, INF = 0x3f3f3f3f; inline void run_test(int test_case) { int n; rd(n); vector<pair<string, bool>> a(n); for (int i = 0; i < n; i++) { string s; rd(s); if (s[0] == '!') { s.erase(s.begin(), s.begin()+1); a[i] = {s, true}; } else { a[i] = {s, false}; } } sort(a.begin(), a.end()); string ans = "satisfiable"; for (int i = 0; i + 1 < n; i++) { if (a[i].fi == a[i+1].fi && a[i].se != a[i+1].se) ans = a[i].fi; } print(ans); } inline void prepare() { // first thing to run ios::sync_with_stdio(false); cin.tie(nullptr); } }; /* **************************************************** */ // CHANGE HERE if there are multiple test cases const enum TEST_TYPE { SINGLE, MULTIPLE, MULTIPLE_EOF } test_type = SINGLE; inline void go_for_it() { if (test_type == SINGLE) { Solver solver; solver.prepare(); solver.run_test(1); } else if (test_type == MULTIPLE) { Solver solver; solver.prepare(); int test_count; rd(test_count); for (int test_number = 1; test_number <= test_count; test_number++) solver.run_test(test_number); } else { Solver solver; solver.prepare(); for (int test_number = 1;; test_number++) solver.run_test(test_number); } } int main() { go_for_it(); }
#include<bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,n) for (long long i = 0; i < (n); ++i) #define INF LONG_MAX/3 //#define DIV 1000000007 //#define DIV 998244353 template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } int dx[4]={1,0,-1,0}; int dy[4]={0,1,0,-1}; struct UnionFind { // par[i]:データiが属する木の親の番号。i == par[i]のとき、データiは木の根ノードである vector<int> par; // sizes[i]:根ノードiの木に含まれるデータの数。iが根ノードでない場合は無意味な値となる vector<int> sizes; UnionFind(int n) : par(n), sizes(n, 1) { // 最初は全てのデータiがグループiに存在するものとして初期化 for(int i = 0; i < n; i++){ par[i] = i; } } // データxが属する木の根を得る int find(int x) { if (x == par[x]) return x; return par[x] = find(par[x]); // 根を張り替えながら再帰的に根ノードを探す } // 2つのデータx, yが属する木をマージする void unite(int x, int y) { // データの根ノードを得る x = find(x); y = find(y); // 既に同じ木に属しているならマージしない if (x == y) return; // xの木がyの木より大きくなるようにする if (sizes[x] < sizes[y]) swap(x, y); // xがyの親になるように連結する par[y] = x; sizes[x] += sizes[y]; // sizes[y] = 0; // sizes[y]は無意味な値となるので0を入れておいてもよい } // 2つのデータx, yが属する木が同じならtrueを返す bool same(int x, int y) { return find(x) == find(y); } // データxが含まれる木の大きさを返す int size(int x) { return sizes[find(x)]; } }; int main(){ ll N; cin >> N; vector<double> X(N); vector<double> Y(N); rep(i, N) cin >> X[i] >> Y[i]; double ok = 0; double ng = 200; while(ok + 0.00000001 < ng) { double mid = (ok + ng)/2.0; UnionFind uf(200); rep(i, N) if(Y[i] + mid >= 100) uf.unite(i, 100); rep(i, N) if(Y[i] - mid <= -100) uf.unite(i, 101); rep(i, N) rep(j, N) if( (X[i] - X[j]) * (X[i] - X[j]) + (Y[i] - Y[j]) * (Y[i] - Y[j]) <= mid * mid) uf.unite(i, j); if(uf.find(100) == uf.find(101)) { ng = mid; } else { ok = mid; } } printf("%.10f\n", ok/2); }
#include<iostream> #include<vector> using namespace std; int N,M; vector<int>G[20]; int col[20]; bool dfs(int u) { for(int v:G[u]) { if(col[v]==-1) { col[v]=3-col[u]; if(!dfs(v))return false; } else if(col[u]==col[v]) { return false; } } return true; } int main() { cin>>N>>M; vector<pair<int,int> >E(M); for(int i=0;i<M;i++) { int a,b;cin>>a>>b; a--,b--; E[i]=make_pair(a,b); G[a].push_back(b); G[b].push_back(a); } long ans=0; for(int k=0;k<1<<N;k++) { for(int i=0;i<N;i++) { col[i]=-1; if(k>>i&1)col[i]=0; } bool ok=true; for(pair<int,int>e:E)if(col[e.first]==0&&col[e.second]==0) { ok=false; break; } if(!ok)continue; int cnt=0; for(int i=0;i<N;i++)if(col[i]==-1) { col[i]=1; if(!dfs(i)) { ok=false; break; } cnt++; } if(ok)ans+=1<<cnt; } cout<<ans<<endl; }
#include <bits/stdc++.h> #define all(x) (x).begin(),(x).end() #define sz(x) int(x.size()) using namespace std; using ll = long long; using pii = pair<int, int>; template<typename... T> void rd(T&... args) {((cin>>args), ...);} template<typename... T> void wr(T... args) {((cout<<args<<" "), ...);cout<<endl;} int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n, m; cin>>n>>m; vector<int> a(m), b(m); for (int i=0; i<m; i++) { cin>>a[i]>>b[i]; a[i]--; b[i]--; } vector<int> c(n); for (auto& i : c) cin>>i; vector<bool> ab(m); vector<vector<pii>> g(n); for (int i=0; i<m; i++) { if (c[a[i]]>c[b[i]]) ab[i]=true; else if (c[a[i]] < c[b[i]]) ab[i]=false; else { g[a[i]].emplace_back(b[i], i); g[b[i]].emplace_back(a[i], i); } } vector<int> dep(n, -1); auto dfs=[&](auto& dfs, int u, int p) -> void { for (auto [v, e] : g[u]) { if (v==p) continue; if (dep[v]==-1) { dep[v]=dep[u]+1; ab[e]=a[e]==v; dfs(dfs, v, u); } else if (dep[u]>dep[v]) ab[e]=a[e]==v; } }; for (int i=0; i<n; i++) { if (dep[i]==-1) { dep[i]=0; dfs(dfs, i, i); } } for (auto i : ab) cout<<(i ? "->" : "<-")<<'\n'; return 0; }
#include <iostream> #include <math.h> #include <vector> #include <string> typedef long long ll; using namespace std; #define prt(var) cout << (var) << endl; #define rep(i,n) for(int i=0; i<int(n); i++) int main() { int n; string s; cin>>n>>s; ll ans=0; for(int i=0; i<n-1; i++){ int l=i, r=i+1; int ca=0, ct=0, cg=0, cc=0; while(l>=0 && r<=n-1){ if(s[l]=='A') ca++; if(s[l]=='T') ct++; if(s[l]=='G') cg++; if(s[l]=='C') cc++; if(s[r]=='A') ca++; if(s[r]=='T') ct++; if(s[r]=='G') cg++; if(s[r]=='C') cc++; if(ca==ct && cc==cg){ ans++; } l--; r++; } } prt(ans); }
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int n, ans = 0; string s; cin >> n >> s; for (int i = 0; i < n; i++) { int cnt[26] = {}; for (int j = i; j < n; j++) { cnt[s[j] - 'A']++; if (cnt[0] == cnt['T' - 'A'] && cnt['C' - 'A'] == cnt['G' - 'A']) ans++; } } cout << ans << '\n'; }
#include <bits/stdc++.h> #define ll long long using namespace std; vector<ll> subsets(vector<int> a){ int n = a.size(); vector<ll> ret; for(int mask = 0; mask < (1<<n); mask++){ ll sum = 0; for(int i=0; i<n; i++){ if( (mask&(1<<i)) != 0){ sum += a[i]; } } ret.push_back(sum); } return ret; } int main() { int n, t; cin>>n>>t; int a[n]; for(int i=0; i<n; i++){ cin>>a[i]; } vector<int> s1(a, a+(n/2)); vector<int> s2(a+(n/2), a+n); vector<ll> sum1 = subsets(s1), sum2 = subsets(s2); sort(sum1.begin(), sum1.end()); sort(sum2.begin(), sum2.end()); ll mn = 1e15; for(ll sum: sum1){ if(sum > t) continue; ll rem = t - sum; auto it = upper_bound(sum2.begin(), sum2.end(), rem); it--; rem -= *it; mn = min(mn, rem); } cout<<t-mn<<'\n'; }
#include<bits/stdc++.h> #define Fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define Freed freopen ("0in.txt","r",stdin); #define Fout freopen ("0out.txt","w",stdout); #define ll long long int #define pb push_back #define mp make_pair #define pi acos(-1.0) #define Mod 1000000007 #define limit 48 using namespace std; ll D[limit],W; void middle(ll pos,ll n,ll sum,vector<ll> &A) { if(pos>n) { if(sum<=W) A.pb(sum); return ; } middle(pos+1,n,sum,A); middle(pos+1,n,sum+D[pos],A); } void solve(int t) { ll n,i,j; scanf("%lld %lld",&n,&W); for(ll i=1; i<=n; i++) { scanf("%lld",&D[i]); } sort(D,D+n+1); vector<ll>A,B; A.pb(0); middle(1,n/2,0,A); middle(n/2+1,n,0,B); sort(A.begin(),A.end()); ll mx=0,sz=A.size(); for(i=B.size()-1; i>=0; i--) { n = (W-B[i]); ll l=0,h=sz-1,m; while(l<=h) { m = (l+h)/2; if(n>=A[m]) { if((B[i]+A[m])<=W && mx<(B[i]+A[m])) mx = B[i]+A[m]; l = m+1; } else { h = m-1; } } } printf("%lld\n",mx); return ; } int main() { // Fast // Freed // Fout int t,tt=1; // cin >> tt; for(t=1; t<=tt; t++) solve(t); return 0; }
#include<bits/stdc++.h> #define mod 1000000007 #define pi pair<int, int> #define ll long long int #define pll pair<ll, ll> #define ppll pair<pll, ll> #define vi vector<int> #define vll vector<ll> #define vpi vector<pi> #define vpll vector<pll> #define vppll vector<pair<pll, ll>> #define vvll vector<vector<ll>> #define vvpll vector<vector<pll>> #define repi(i,a,n) for(ll i=a;i<n;i++) #define repr(i,a,b) for(ll i=a;i>=b;i--) #define pb push_back #define ff first #define ss second #define all(x) x.begin(), x.end() #define allr(x) x.rbegin(), x.rend() #define clr(x) memset(x, 0, sizeof(x)) #define sortall(x) sort(all(x)) #define pr(i,v) for(auto i:v) static int row[4] = {-1, 0, 0, 1}; static int col[4] = {0, -1, 1, 0}; static int dagb[4] = {1, -1, 1, -1}; static int daga[4] = {1, -1, -1, 1}; //its not the same code // why dd you not understand; using namespace std; int main( ) { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt" , "r" ,stdin); freopen("ott.txt" , "w" ,stdout); freopen("error.txt" , "w" ,stderr); #endif ll t=1; // cin>>t; while(t--){ string s; ll l,n,m,r,w=0,y=0,z,x=0,flag=0,k=-1, mn=1e10,e=0,cnt=0,f=INT_MAX,sum=0,de=1,mx=0,ans=0; cin>>x>>y>>z>>w; if(w*z-y<=0)cout<<-1<<endl; else{ if(x%(w*z-y)!=0)cout<<x/(w*z-y)+1<<endl; else cout<<x/(w*z-y)<<endl; } } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ll a, b, c, d; cin >> a >> b >> c >> d; ll lo = ll(1LL), hi = ll(1e6); ll r = -1LL; while(lo <= hi){ ll x = (lo + hi) >> 1LL; if(a + x * b <= d * x * c){ r = x; hi = x - 1; }else{ lo = x + 1; } } printf("%lld\n", r); return 0; }
# include <bits/stdc++.h> using namespace std; const int maxn=4000000+5; map<pair<int,int>,int> P; int c[15][15]={{1,0,0,0,0},{1,1,0,0,0},{1,2,1,0,0},{1,3,3,1,0},{0,0,0,0,0},{0,0,0,0,0}}; int n; char s[maxn]; int lucas(int a,int b){ pair<int,int> d(a,b); if(P[d]!=0) return P[{a,b}]; return P[d]=(b>0?(lucas(a/3,b/3)*c[a%3][b%3]%3):1); } int main(){ ios::sync_with_stdio(false); cin>>n>>s; int fl=(n%2?1:-1); int res=0; for(int i=0;i<n;i++){ int p; if(s[i]=='B') p=0; if(s[i]=='R') p=1; if(s[i]=='W') p=2; res=(res+fl*p*lucas(n-1,i))%3; res=(res+3)%3; } if(res==0) cout<<"B"; else if(res==1) cout<<"R"; else cout<<"W"; return 0; }
#include<bits/stdc++.h> using namespace std; const int N=4e5+1e3+7; int C(int n,int m) { if(n<m||n<0||m<0) return 0; long long ret=1; for(int i=n;i>=n-m+1;i--) ret=ret*i; for(int i=1;i<=m;i++) ret=ret/i; return ret%3; } int Lucas(int n,int m) { if(n<3||m<3) return C(n,m); return C(n%3,m%3)*Lucas(n/3,m/3)%3; } int get(char c) { return c=='R'?0:c=='B'?1:2; } int n; char s[N]; string ans="RBW"; int main() { scanf("%d",&n); scanf("%s",s); n--; int r=0; for(int i=0;i<=n;i++) (r+=Lucas(n,i)*get(s[i]))%=3; if(n&1) r=(3-r)%3; putchar(ans[r]); }
#include<bits/stdc++.h> using namespace std; #define X first #define Y second #define sz(a) (int)a.size() #define ll long long signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; while(n--) { string s; cin >> s; string s1 = "atcoder"; int ans1 = 1e9; for(int i = 0; i <= min(7, sz(s)); i++) { vector <bool> used(sz(s)); int j = 0; int ans = 0; while(j < i) { bool fl = 0; for(int p = 0; p < sz(s); p++) { if(s1[j] == s[p] && !used[p]) { used[p] = 1; fl = 1; break; } if(!used[p]) { ans++; } } if(!fl) { break; } j++; } if(j < i) { continue; } if(i == 7) { if(i != sz(s)) { ans1 = min(ans1, ans); } } else { bool fl = 0; for(int p = 0; p < sz(s); p++) { if(!used[p] && s[p] > s1[i]) { fl = 1; break; } if(!used[p]) { ans++; } } if(fl) { ans1 = min(ans1, ans); } } } if(ans1 == 1e9) { ans1 = -1; } cout << ans1 << "\n"; } return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int T; cin >> T; for(int i = 0; i < T; i++){ string S; cin >> S; int rest = 0; string atcoder = "atcoder"; int Slength = S.length(); for(int j = 0; j < min(7, Slength); j++){ rest += (S[j] - atcoder[j]) * 26 * (min(7, Slength) - j); } if(rest > 0 || (rest == 0 && Slength > 7)){ cout << 0 << endl; }else{ bool no = true; for(int j = 0; j < Slength; j++){ if(S[j] != 'a'){ no = false; if(S[j] > 116){ cout << j - 1 << endl; }else{ cout << j << endl; } break; } } if(no){ cout << -1 << endl; } } } }
#include <bits/stdc++.h> using namespace std; #define int long long #define sc(x) scanf("%lld",&(x)); #define fi first #define se second #define pb push_back #define endl '\n' int n, k; int me; int A[808][808]; int B[808][808]; vector<int> w; vector<int> v; bool check(int x){ for(int i = 1; i <= n; i++){ for(int j = 1; j <= n; j++){ B[i][j] = B[i-1][j] + B[i][j-1] - B[i-1][j-1] + (A[i][j] <= x); if(i >= k && j >= k){ //cout << i << " "<<j<<" "<<x <<" "<< B[i][j] + B[i-k][j-k] - B[i-k][j] - B[i][j-k] << "\n"; if(B[i][j] + B[i-k][j-k] - B[i-k][j] - B[i][j-k] >= me) { return true; } } } } return false; } signed main() { sc(n) sc(k) for (int i = 1; i <= n; i++) { for (int j = 1; j <= n; j++) { sc(A[i][j]) v.pb(A[i][j]); } } if (n == k) { sort(v.begin(), v.end()); cout << v[n * n - n * n / 2 - 1]; return 0; } int ans = -1; v.clear(); for (int i = 1; i <= k; i++) { for (int j = 1; j <= k; j++) { v.pb(A[i][j]); } } sort(v.begin(),v.end()); me = k * k - k * k / 2; ans = v[k * k - k * k / 2 - 1]; int l = 0, r = ans; while(l < r){ int mid = (l+r)/2; if(check(mid)){ r = mid; }else { l = mid + 1; } } ans = l; cout << ans << '\n'; }
#include<bits/stdc++.h> #define ll long long #define pb push_back #define mkp make_pair #define vi vector<int> #define pii pair<int,int> #define FI(n) FastIO::read(n) #define FO(n) FastIO::write(n) #define ull unsigned long long #define mst(a,b) memset(a,b,sizeof(a)) #define foR(i,k,j) for(int i=(k);i>=(j);i--) #define For(i,k,j) for(int i=(k);i<=(j);i++) #define Foe(i,u) for(int i=lst[u],v=e[i].v;i;i=e[i].nxt,v=e[i].v) #define IOS ios::sync_with_stdio(0),cin.tie(0),cout.tie(0) #define Fin(s) freopen(s,"r",stdin) #define Fout(s) freopen(s,"w",stdout) #define file(s) Fin(s".in"),Fout(s".out") #define INF ((1<<30)-1) //#define int long long const int P=998244353; // using namespace std; template<typename T>inline void ckmax(T &a,T b) {(a<b)&&(a=b);} template<typename T>inline void ckmin(T &a,T b) {(a>b)&&(a=b);} inline int mul(int a,int b) {return 1ull*a*b%P;} inline int add(int a,int b) {return a+b>=P?a+b-P:a+b;} inline int sub(int a,int b) {return a-b>=0?a-b:a-b+P;} inline void mulmod(int &a,int b) {a=mul(a, b);} inline void addmod(int &a,int b) {((a+=b)>=P)&&(a-=P);} inline void submod(int &a,int b) {((a-=b)<0)&&(a+=P);} inline int ksm(int a,int b) {int ans=1; for(;b;b>>=1) {if(b&1) ans=1ll*ans*a%P;a=1ll*a*a%P;}return ans;} inline void fprint(const int &x,char c=' ') {fprintf(stderr,"%d%c",x,c);} inline void fprint(const pii &x,char c='\n') {fprintf(stderr,"%d %d%c",x.first,x.second,c);} inline void fprint(const int *f,const int &n,char c='\n') {for(int i=1;i<=n;i++) fprint(f[i]); fprintf(stderr,"%c",c);} inline void fprint(const vector<int> &f,char c='\n') {for(int i=0;i<(int)f.size();i++) fprint(f[i]); fprintf(stderr,"%c",c);} inline int inv(int a) {return ksm(a,P-2);} namespace FastIO { const int SIZE=1<<16; char buf[SIZE],obuf[SIZE],str[64]; int bi=SIZE,bn=SIZE,opt; int read(char *s) { while (bn) {for (;bi<bn&&buf[bi]<=' ';bi++);if (bi<bn) break; bn=fread(buf,1,SIZE,stdin),bi=0;} int sn=0;while (bn) {for (;bi<bn&&buf[bi]>' ';bi++) s[sn++]=buf[bi];if (bi<bn) break; bn=fread(buf,1,SIZE,stdin),bi=0;}s[sn]=0;return sn; } bool read(int& x) {if(x)x=0;int bf=0,n=read(str); if(!n) return 0; int i=0; if (str[i]=='-') bf=1,i=1; for(x=0;i<n;i++) x=x*10+str[i]-'0'; if(bf) x=-x; return 1;} void write(int x) { if(!x) obuf[opt++]='0'; else {if(x<0) obuf[opt++]='-',x=-x;int sn=0; while(x)str[sn++]=x%10+'0',x/=10;for (int i=sn-1;i>=0;i--) obuf[opt++]=str[i];} if (opt>=(SIZE>>1)){fwrite(obuf,1,opt,stdout); opt=0;} } void write(char x) {obuf[opt++]=x;if (opt>=(SIZE>>1)){fwrite(obuf,1,opt,stdout); opt=0;}} void Fflush() {if (opt) fwrite(obuf,1,opt,stdout); opt=0;} }; inline int read() {int x; FI(x); return x;} int A,B; signed main() { #ifndef ONLINE_JUDGE freopen("pro.in","r",stdin); freopen("pro.out","w",stdout); #endif A=read(),B=read(); if(A>B) { int sa=0,sb=0; For(i,1,A) printf("%d ",i),sa+=i; For(i,1,B-1) printf("%d ",-i),sb+=i; printf("%d\n",-(sa-sb)); } else { int sa=0,sb=0; For(i,1,A-1) printf("%d ",i),sa+=i; For(i,1,B) printf("%d ",-i),sb+=i; printf("%d\n",(sb-sa)); } return FastIO::Fflush(),0; } /* */
#include <bits/stdc++.h> using namespace std; // #include <atcoder/all> // using namespace atcoder; using ll =long long; typedef pair<int,int> P; #define SORT(a) sort((a).begin(),(a).end()) #define REV(a) reverse((a).begin(),(a).end()) #define For(i, a, b) for(int i = (a) ; i < (b) ; ++i) #define rep(i, n) For(i, 0, n) #define debug(x) cerr << #x << " = " << (x) << endl; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } void coY() {cout <<"Yes"<<endl;} void coN(){cout <<"No"<<endl;} const int dy[] = {0,0,1,-1}; const int dx[] = {1,-1,0,0}; const ll mod = 1e9+7; const ll MOD = 998244353; const double PI=3.14159265358979323846; const int INF = 1001001001; //Write From this Line // now += mint(2).pow(s) - 1; こんな感じで、2のs乗を求められrう // auto mod int // https://youtu.be/L8grWxBlIZ4?t=9858 // https://youtu.be/ERZuLAxZffQ?t=4807 : optimize // https://youtu.be/8uowVvQ_-Mo?t=1329 : division struct mint { ll x; // typedef long long ll; mint(ll x=0):x((x%mod+mod)%mod){} mint operator-() const { return mint(-x);} mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint& operator-=(const mint a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this; } mint operator+(const mint a) const { mint res(*this); return res+=a; } mint operator-(const mint a) const { mint res(*this); return res-=a; } mint operator*(const mint a) const { mint res(*this); return res*=a; } mint pow(ll t) const { if (!t) return 1; mint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod-2); } mint& operator/=(const mint a) { return (*this) *= a.inv(); } mint operator/(const mint a) const { mint res(*this); return res/=a; } }; istream& operator>>(istream& is, const mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} int main() { int n, m; cin >> n >> m; vector<int> a(n); rep(i,n) cin >> a[i]; ll sum = 0; rep(i,n){ sum += a[i]; } mint ans = 1; for(ll i = 0; i < sum+n; i++){ ans *= (m+n-i); ans /= (i+1); } cout << ans << endl; }
#include <iostream> #include <string> using namespace std; int main(){ int m,h;cin>>m>>h; string ans = "Yes"; if(h%m)ans = "No"; cout<<ans<<endl; return 0; }
#pragma GCC optimize ("O3") #pragma GCC target ("sse4") #include<stdio.h> #include<iostream> #include<vector> #include<algorithm> #include<string> #include<string.h> #ifdef LOCAL #define eprintf(...) fprintf(stderr, __VA_ARGS__) #else #define NDEBUG #define eprintf(...) do {} while (0) #endif #include<cassert> using namespace std; typedef long long LL; typedef vector<int> VI; #define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i) #define EACH(i,c) for(__typeof((c).begin()) i=(c).begin(),i##_end=(c).end();i!=i##_end;++i) template<class T> inline void amin(T &x, const T &y) { if (y<x) x=y; } template<class T> inline void amax(T &x, const T &y) { if (x<y) x=y; } #define rprintf(fmt, begin, end) do { const auto end_rp = (end); auto it_rp = (begin); for (bool sp_rp=0; it_rp!=end_rp; ++it_rp) { if (sp_rp) putchar(' '); else sp_rp = true; printf(fmt, *it_rp); } putchar('\n'); } while(0) int N; LL A[101]; LL X; LL dp[101][101]; void MAIN() { scanf("%d%lld", &N, &X); REP (i, N) scanf("%lld", A+i); LL ans = 1LL<<60; REP (i, N) { amin(ans, X - A[i]); } for (int B=2; B<=N; B++) { memset(dp, 0xc0, sizeof dp); dp[0][0] = 0; REP (i, N) { int v = A[i] % B; for (int c=i; c>=0; c--) { REP (j, B) { amax(dp[c+1][(j+v) % B], dp[c][j] + A[i]); } } } REP (j, B) if (dp[B][j] >= 0 && (X-j) % B == 0) { assert((X-dp[B][j]) % B == 0); LL tmp = (X-dp[B][j]) / B; amin(ans, tmp); } } if (ans == (1LL<<60)) { puts("-1"); } else { printf("%lld\n", ans); } } int main() { int TC = 1; // scanf("%d", &TC); REP (tc, TC) MAIN(); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long const ll INF = 1e18; int main() { ios::sync_with_stdio(0); cin.tie(0); int N; ll X; cin >> N >> X; vector<ll> A(N); for (int i=0;i<N;i++) cin >> A[i]; ll ans = INF; for (int i=1;i<=N;i++) { // dp[a][b][c]: a番目まで見て、b個とって、val = c(mod i) のときの値の最大値 vector<vector<vector<ll>>> dp(N+1, vector<vector<ll>>(i+1, vector<ll>(i, -1))); dp[0][0][0] = 0LL; for (int a=0;a<N;a++) { for (int b=0;b<=i;b++) { for (int c=0;c<i;c++) { if (dp[a][b][c] == -1) continue; dp[a+1][b][c] = max(dp[a+1][b][c], dp[a][b][c]); if (b+1 > i) continue; dp[a+1][b+1][(c+A[a])%i] = max(dp[a+1][b+1][(c+A[a])%i], dp[a][b][c]+A[a]); } } } if (dp[N][i][(X%i)] == -1) continue; ans = min(ans, (X-dp[N][i][(X%i)])/i); } cout << ans << "\n"; return 0; }
#include <math.h> #include <algorithm> #include <array> #include <bitset> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <sstream> #include <vector> using namespace std; using ll = long long; struct Edge { int to; ll w; Edge(int to, ll w) : to(to), w(w) {} }; using Graph = vector<vector<Edge>>; template <class T> bool chmin(T &a, T b) { if (a > b) { a = b; return true; } else { return false; } } typedef pair<ll, ll> P_ll; typedef pair<int, int> P; const ll INF_ll = 1e17; const int INF = 1e8; struct UnionFind { vector<int> par, siz; UnionFind(int n) : par(n, -1), siz(n, 1) {} int root(int x) { if (par[x] == -1) { return x; } else { return par[x] = root(par[x]); } } bool issame(int x, int y) { return root(x) == root(y); } bool unite(int x, int y) { x = root(x); y = root(y); if (x == y) { return false; } if (siz[x] < siz[y]) { swap(x, y); } par[y] = x; siz[x] += siz[y]; return true; } int size(int x) { return siz[root(x)]; } }; ll modpow(ll x, ll n, ll m) { if (n == 0) return 1; if (n == 1) return x % m; if (n % 2 == 1) return (x * modpow(x, n - 1, m)) % m; ll res = modpow(x, n / 2, m); return (res * res) % m; } int main() { const ll MOD = 998244353; ll N; cin >> N; UnionFind uf(N); for (int i = 0; i < N; i++) { int f; cin >> f; f--; uf.unite(i, f); } ll g = 0; for (int i = 0; i < N; i++) { if (uf.root(i) == i) { g++; } } cout << modpow(2, g, MOD) - 1 << endl; return 0; }
/*ver 7*/ #include <bits/stdc++.h> using namespace std; void init() {cin.tie(0);ios::sync_with_stdio(false);cout << fixed << setprecision(15);} using ll = long long; using ld = long double; using vl = vector<ll>; using vd = vector<ld>; using vs = vector<string>; using vb = vector<bool>; using vvl = vector<vector<ll>>; using vvd = vector<vector<ld>>; using vvs = vector<vector<string>>; using vvb = vector<vector<bool>>; using pll = pair<ll,ll>; using mll = map<ll,ll>; template<class T> using V = vector<T>; template<class T> using VV = vector<vector<T>>; #define each(x,v) for(auto& x : v) #define reps(i,a,b) for(ll i=(ll)a;i<(ll)b;i++) #define rep(i,n) for(ll i=0;i<(ll)n;i++) #define pb push_back #define eb emplace_back #define fi first #define se second #define mp make_pair const ll INF = 1LL << 60; #define CLR(mat,f) memset(mat, f, sizeof(mat)) #define IN(a, b, x) (a<=x&&x<=b) #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ) //被り削除 #define debug cout << "line : " << __LINE__ << " debug" << endl; #define ini(...) int __VA_ARGS__; in(__VA_ARGS__) #define inl(...) long long __VA_ARGS__; in(__VA_ARGS__) #define ind(...) long double __VA_ARGS__; in(__VA_ARGS__) #define ins(...) string __VA_ARGS__; in(__VA_ARGS__) #define inc(...) char __VA_ARGS__; in(__VA_ARGS__) void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);} template <typename T> void in1(T &s) {rep(i,s.size()){in(s[i]);}} template <typename T> void in2(T &s,T &t) {rep(i,s.size()){in(s[i],t[i]);}} template <typename T> void in3(T &s,T &t,T &u) {rep(i,s.size()){in(s[i],t[i],u[i]);}} template <typename T> void in4(T &s,T &t,T &u,T &v) {rep(i,s.size()){in(s[i],t[i],u[i],v[i]);}} template <typename T> void in5(T &s,T &t,T &u,T &v,T &w) {rep(i,s.size()){in(s[i],t[i],u[i],v[i],w[i]);}} void out(){cout << endl;} template <typename T,class... U> void out(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; out(u...);} void die(){cout << endl;exit(0);} template <typename T,class... U> void die(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; die(u...);} template <typename T> void outv(T s) {rep(i,s.size()){if(i!=0)cout<<" ";cout<<s[i];}cout<<endl;} template <typename T> void out1(T s) {rep(i,s.size()){out(s[i]);}} template <typename T> void out2(T s,T t) {rep(i,s.size()){out(s[i],t[i]);}} template <typename T> void out3(T s,T t,T u) {rep(i,s.size()){out(s[i],t[i],u[i]);}} template <typename T> void out4(T s,T t,T u,T v) {rep(i,s.size()){out(s[i],t[i],u[i],v[i]);}} template <typename T> void out5(T s,T t,T u,T v,T w) {rep(i,s.size()){out(s[i],t[i],u[i],v[i],w[i]);}} #define all(v) (v).begin(),(v).end() #define rall(v) (v).rbegin(),(v).rend() template <typename T> T allSum(vector<T> a){T ans=T();each(it,a)ans+=it;return ans;} ll ceilDiv(ll a,ll b) {return (a+b-1)/b;} ld dist(pair<ld,ld> a, pair<ld,ld> b){return sqrt(abs(a.fi-b.fi)*abs(a.fi-b.fi)+abs(a.se-b.se)*abs(a.se-b.se));} // 2点間の距離 ll gcd(ll a, ll b) { return b != 0 ? gcd(b, a % b) : a; } ll lcm(ll a,ll b){ return a / gcd(a,b) * b;} template <class A, class B> inline bool chmax(A &a, const B &b) { return b > a && (a = b, true); } template <class A, class B> inline bool chmin(A &a, const B &b) { return b < a && (a = b, true); } #define YES(n) ((n) ? "YES" : "NO" ) #define Yes(n) ((n) ? "Yes" : "No" ) #define yes(n) ((n) ? "yes" : "no" ) void solve(){ inl(n); V<string> s(3); in(s[0],s[1],s[2]); rep(i,n)cout<<'0'; rep(i,n)cout<<'1'; cout<<'0'<<endl; } int main(){ init(); inl(t); rep(i,t)solve(); return 0; }
#include<bits/stdc++.h> using namespace std; #define test(t) int t;cin>>t;while(t--) #define lli long long int #define pb push_back #define MAX 10000007 #define mod 1000000007 #define fast ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0) //a.push_back(i+'0');convert i to char; //cout << fixed << setprecision(2) << pi ; const lli infl=0x3f3f3f3f3f3f3f3fLL; int main() { fast; // int t; //cin>>t ; // while(t--) { lli i,j,n,q,k,sum=0,cnt=0,ans=0,num,x,y; cin>>n; if(n%2)cout<<"Black"; else cout<<"White"; //cout<<ans<<"\n"; cout<<endl; } }
#pragma GCC target("avx2") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; #define DEBUG #ifdef DEBUG template <class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; for(int i = 0; i < (int)v.size(); i++) { if(i) { os << ','; } os << v[i]; } os << '}'; return os; } void debugg() { cerr << endl; } template <class T, class... Args> void debugg(const T &x, const Args &... args) { cerr << " " << x; debugg(args...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<char> vc; typedef vector<string> vs; typedef vector<bool> vb; typedef vector<double> vd; typedef pair<ll,ll> P; typedef pair<int,int> pii; typedef vector<P> vpl; typedef tuple<ll,ll,ll> tapu; #define rep(i,n) for(int i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int inf = (1<<30) - 1; const ll linf = 1LL<<61; const int MAX = 510000; int dy[8] = {0,1,0,-1,1,-1,-1,1}; int dx[8] = {-1,0,1,0,1,-1,1,-1}; const double pi = acos(-1); const double eps = 1e-7; template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){ if(a<b){ a = b; return true; } else return false; } template<typename T> inline void print(T &a){ int sz = a.size(); for(auto itr = a.begin(); itr != a.end(); itr++){ cout << *itr; sz--; if(sz) cout << " "; } cout << "\n"; } template<typename T1,typename T2> inline void print2(T1 a, T2 b){ cout << a << " " << b << "\n"; } template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){ cout << a << " " << b << " " << c << "\n"; } void mark() {cout << "#" << "\n";} ll pcount(ll x) {return __builtin_popcountll(x);} //const int mod = 1e9 + 7; const int mod = 998244353; int main(){ int n; cin >> n; rep(i,n) cout << i/2+1 << " " << (i+n)/2+1 << "\n"; }
#include <bits/stdc++.h> #include <math.h> using namespace std; typedef long long ll; typedef unsigned long long ull; # define M_PI 3.14159265358979323846 const int M=1e9+7; long long mod(long long x){ return ((x%M + M)%M); } long long add(long long a, long long b){ return mod(mod(a)+mod(b)); } long long mul(long long a, long long b){ return mod(mod(a)*mod(b)); } ll modPow(ll a, ll b){ if(b==0) return 1LL; if(b==1) return a%M; ll res=1; while(b){ if(b%2==1) res=mul(res,a); a=mul(a,a); b=b/2; } return res; } vector<int>adj[200005]; vector<bool>vis(200005,false); vector<int>a(200005); vector<int>b(200005); long long suma=0; long long sumb=0; void dfs(int i){ if(!vis[i]){ vis[i]=true; suma+=(long long)a[i]; sumb+=(long long)b[i]; for(auto v : adj[i]){ dfs(v); } } } void solve (){ int n,m; cin>>n>>m; for(int i=0;i<n;i++) cin>>a[i]; for(int i=0;i<n;i++) cin>>b[i]; for(int i=0;i<m;i++){ int x,y; cin>>x>>y; --x; --y; adj[x].push_back(y); adj[y].push_back(x); } for(int i=0;i<n;i++){ if(!vis[i]){ suma=0; sumb=0; dfs(i); if(suma!=sumb){ cout<<"No"; return; } } } cout<<"Yes"; } int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout<<fixed; cout<<setprecision(10); // freopen("timber_input.txt", "r", stdin); // freopen("timber_output.txt", "w", stdout); int t=1; // cin>>t; for(int i=1;i<=t;i++){ // cout<<"Case #"<<i<<": "; solve(); } return 0; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;++i) #define all(x) (x).begin(),(x).end() using namespace std; constexpr int INF = 1e9, MOD = 1e9 + 7; constexpr int64_t LINF = 5e18, LMOD = 998244353; // #include <atcoder/all> // using namespace atcoder; // const int dy[]={0,-1,0,1,1,-1,-1,1}; // const int dx[]={1,0,-1,0,1,1,-1,-1}; vector<int> edge[200010]; int64_t dp[200010]; int main() { int n, m; cin >> n >> m; int64_t a[n]; rep(i,n) cin >> a[i]; while(m--) { int x, y; cin >> x >> y; --x, --y; edge[y].push_back(x); } int64_t ans = -MOD; for(int i = 0; i < n; ++i) { dp[i] = MOD; if(edge[i].empty()) { dp[i] = a[i]; } else { for(int to : edge[i]) { dp[i] = min(dp[to], dp[i]); } ans = max(ans, a[i] - dp[i]); dp[i] = min(a[i], dp[i]); } } cout << ans << '\n'; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i < (int)(n); i++) int main(){ int n; string s,t; cin >> n >> s >> t; vector<int> a,b; for(int i = 0;i < n;i++){ if(s.at(i) == '0') a.push_back(i); if(t.at(i) == '0') b.push_back(i); } if((int)a.size() != (int)b.size()){ cout << -1 << endl; return 0; } int res = 0; for(int i = 0;i < (int)a.size();i++){ if(a.at(i) != b.at(i)) res++; } cout << res << endl; }
#include <bits/stdc++.h> constexpr int DEBUG = 0; using namespace std; using int64 = long long; int64 Solve() { int n; cin >> n; string s0; cin >> s0; string s1; cin >> s1; vector<int> x0s; vector<int> x1s; for (int i = 0; i < n; i++) { if (s0[i] == '0') { x0s.push_back(i); } if (s1[i] == '0') { x1s.push_back(i); } } if (x0s.size() != x1s.size()) return -1; int c = 0; for (int i = 0; i < x0s.size(); i++) { if (x0s[i] != x1s[i]) { c++; } } return c; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << Solve() << endl; }
#include <bits/stdc++.h> template <typename InputIterator> typename InputIterator::value_type summation(InputIterator first, InputIterator last) { return std::accumulate(first, last, typename InputIterator::value_type()); } template <typename T> std::istream &operator>>(std::istream &stream, std::vector<T> &v); template <typename T1, typename T2> std::istream &operator>>(std::istream &stream, std::pair<T1, T2> &p); template <typename T> std::istream &operator>>(std::istream &stream, std::vector<T> &v) { for (auto &i : v) { stream >> i; } return stream; } template <typename T1, typename T2> std::istream &operator>>(std::istream &stream, std::pair<T1, T2> &p) { stream >> p.first >> p.second; return stream; } int main() { int64_t n, k, m; std::cin >> n >> k >> m; auto r = m * n; std::vector<int64_t> a(n - 1); std::cin >> a; r -= summation(a.cbegin(), a.cend()); if (k < r) { std::cout << -1 << std::endl; } else { std::cout << std::max(static_cast<int64_t>(0), r) << std::endl; } return 0; }
#include <bits/stdc++.h> using namespace std; const long long MOD = 1e9 + 7; const int INF = 1e9; const long long inf = 1LL<<60; //cout << fixed << setprecision(10) << << endl; char judge(char a, char b) { if (a == b) return a; if (a == 'P') { if (b == 'R') { return a; } else { return b; } } else if (a == 'R') { if (b == 'S') { return a; } else { return b; } } else { if (b == 'P') { return a; } else { return b; } } } int main() { int n, k; cin >> n >> k; string s; cin >> s; auto run = [&]() -> void { string t = s + s; s = ""; for (int i=0; i<n*2; i+=2) { s += judge(t.at(i), t.at(i+1)); } }; for (int i=0; i<k; i++) { run(); } cout << s.at(0) << endl; }
#include <math.h> #include <assert.h> #include <algorithm> #include <set> #include <iostream> #include <vector> #include <iomanip> #include <queue> #include <map> #include <string> #include <cstring> #include <functional> #include <stack> #include <array> #include <random> #include <chrono> #include <climits> #include <bitset> using namespace std ; #define rep(i, a, b) for (int i=a; i<(b); i++) #define forn(i, a) for (int i=0; i<(a); i++) #define repd(i,a,b) for (int i = (b)-1; i >= a; i--) #define ford(i,a) for (int i = (a)-1; i >= 0; i--) #define trav(a,x) for (auto& a : x) #define int long long #define ii pair<int,int> #define ar array #define FAST_IO ios_base::sync_with_stdio(false) ;cin.tie(NULL);cout.tie(NULL) #define ms(x,a) memset(x,(int)(a),sizeof(x)) #define sz(x) ((int)(x).size()) #define lb lower_bound #define ub upper_bound #define all(x) x.begin(), x.end() #define pb push_back #define endl '\n' #define ff first #define ss second //const int INF = 1e18 ; //const int MOD = 1e9 + 7 ; const int N = 2e5+5 ; int a[N] ; bool done[N] ; vector<int> fact; vector<int> ifact; vector<int> inv; vector<int> pow2; const int MOD = 998244353; int add(int a, int b) { a+=b; while(a>=MOD) a-=MOD; return a; } void radd(int &a, int b) { a=add(a,b); } int mult(int a, int b) { return (a*1LL*b)%MOD; } void rmult(int &a, int b) { a=mult(a,b); } int modpow(int a, int b) { int r=1; while(b) { if(b&1) r=mult(r,a); a=mult(a,a); b>>=1; } return r; } int choose(int a, int b) { if(a<0||b<0) return 0; if(a<b) return 0; if(b==0) return 1; if(a==b) return 1; return mult(fact[a],mult(ifact[b],ifact[a-b])); } int inverse(int a) { return modpow(a,MOD-2); } void init(int _n) { fact.clear(); ifact.clear(); inv.clear(); pow2.clear(); fact.resize(_n+1); ifact.resize(_n+1); inv.resize(_n+1); pow2.resize(_n+1); pow2[0]=1; ifact[0]=1; fact[0]=1; for(int i=1;i<=_n;i++) { pow2[i]=add(pow2[i-1],pow2[i-1]); fact[i]=mult(fact[i-1],i); //ifact[i]=mult(ifact[i-1],inv[i]); } ifact[_n] = inverse(fact[_n]); for(int i=_n-1;i>=1;i--) { ifact[i] = mult(ifact[i + 1], i + 1); } for(int i=1;i<=_n;i++) { inv[i] = mult(fact[i-1],ifact[i]); } } vector<vector<int>> graph; int cycles; vector<int> vis ; void dfs(int node) { if(vis[node] == 2) return ; if(vis[node] == 1) { cycles++ ; return ; } vis[node] = 1 ; for(int x : graph[node]) { dfs(x) ; } vis[node] = 2 ; } void solve(){ int n ; cin >> n ; graph.resize(n) ; forn(i,n) { cin >> a[i] ; --a[i] ; graph[i].push_back(a[i]) ; } cycles = 0; vis.assign(n, 0) ; forn(i,n) dfs(i) ; int ans = pow2[cycles] ; radd(ans, MOD-1) ; cout << ans << endl ; } int32_t main(){ FAST_IO ; int t = 1 ; init(N) ; // cin >> t ; while(t--){ solve() ; } }
#include <bits/stdc++.h> using namespace std; const long long MOD=1000000007; // const long long MOD=998244353; #define LOCAL #pragma region Macros typedef long long ll; typedef __int128_t i128; typedef unsigned int uint; typedef unsigned long long ull; #define ALL(x) (x).begin(),(x).end() const int INF=1e9; const long long IINF=1e18; const int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1}; const char dir[4]={'D','R','U','L'}; template<typename T> istream &operator>>(istream &is,vector<T> &v){ for (T &x:v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os,const vector<T> &v){ for (int i=0;i<v.size();++i){ os << v[i] << (i+1==v.size()?"": " "); } return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const pair<T,U> &p){ os << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T,typename U,typename V> ostream&operator<<(ostream &os,const tuple<T,U,V> &t){ os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ')'; return os; } template<typename T,typename U,typename V,typename W> ostream&operator<<(ostream &os,const tuple<T,U,V,W> &t){ os << '(' << get<0>(t) << ',' << get<1>(t) << ',' << get<2>(t) << ',' << get<3>(t) << ')'; return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const map<T,U> &m){ os << '{'; for (auto itr=m.begin();itr!=m.end();){ os << '(' << itr->first << ',' << itr->second << ')'; if (++itr!=m.end()) os << ','; } os << '}'; return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const unordered_map<T,U> &m){ os << '{'; for (auto itr=m.begin();itr!=m.end();){ os << '(' << itr->first << ',' << itr->second << ')'; if (++itr!=m.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const set<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const multiset<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const unordered_set<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();){ os << *itr; if (++itr!=s.end()) os << ','; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const deque<T> &v){ for (int i=0;i<v.size();++i){ os << v[i] << (i+1==v.size()?"": " "); } return os; } void debug_out(){cerr << '\n';} template<class Head,class... Tail> void debug_out(Head&& head,Tail&&... tail){ cerr << head; if (sizeof...(Tail)>0) cerr << ", "; debug_out(move(tail)...); } #ifdef LOCAL #define debug(...) cerr << " ";\ cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n';\ cerr << " ";\ debug_out(__VA_ARGS__) #else #define debug(...) 42 #endif template<typename T> T gcd(T x,T y){return y!=0?gcd(y,x%y):x;} template<typename T> T lcm(T x,T y){return x/gcd(x,y)*y;} template<class T1,class T2> inline bool chmin(T1 &a,T2 b){ if (a>b){a=b; return true;} return false; } template<class T1,class T2> inline bool chmax(T1 &a,T2 b){ if (a<b){a=b; return true;} return false; } #pragma endregion int main(){ cin.tie(0); ios::sync_with_stdio(false); ll n; cin >> n; auto c=[](ll x){return x*(x+1)/2;}; ll lb=0,ub=2*INF; while (ub-lb>1LL){ ll mid=(ub+lb)>>1LL; (c(mid)<=n+1?lb:ub)=mid; } cout << n-lb+1 << '\n'; }
#include <bits/stdc++.h> #define fastio() \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0) #define pb push_back #define show(x) cout << (#x) << " : " << x << endl; #define ll long long #define ull unsigned long long #define ld long double #define pow power #define mp make_pair #define ff first #define ss second #define pii pair<ll, ll> #define sq(x) ((x) * (x)) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define siz(a) int((a).size()) #define For(i,a,b) for(int (i)=(a);(i) < (b); ++(i)) #define endl "\n" #define pi 3.14159265 const ll mod = 1000 * 1000 * 1000 + 7; const ll mod1 = 998244353; const ll INF = 1ll*1000*1000*1000*1000*1000*1000 + 7; using namespace std; ll power(ll x, ll y) { ll res = 1; while (y > 0) { if (y & 1) res = (long long)(res*x); y = y>>1; x = (long long)(x*x); //cout<<x<<'\n'; } return res; } ll pre[200005]; ll suf[200005]; int main() { #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif fastio(); ll n,m; cin>>n>>m; vector <ll> a(n); vector <ll> b(m); For(i,0,n) cin>>a[i]; For(i,0,m) cin>>b[i]; sort(all(a)); sort(all(b)); for(int i=0;i<n;i+=2) { if (i>0) pre[i]=a[i+1]-a[i]+pre[i-2]; else pre[i]=a[i+1]-a[i]; } for(int i=n-1;i>=1;i-=2) { if (i<n-1) suf[i]=a[i]-a[i-1]+suf[i+2]; else suf[i]=a[i]-a[i-1]; } //cout<<pre[2]<<endl; ll ans=INF; for(int i=0;i<m;i++) { ll pos=lower_bound(all(a),b[i])-a.begin(); if (pos&1) { ans=min(ans,suf[pos+1]+(pos-3>=0?pre[pos-3]:0LL)+abs(b[i]-a[pos-1])); } else { ans=min(ans,suf[pos+2]+(pos-2>=0?pre[pos-2]:0LL)+abs(b[i]-a[pos])); } } cout<<ans; return 0; } // check all product based operations for integer overflow
#include<iostream> #include<algorithm> #include<cstdlib> #include<climits> using namespace std; int main(){ int n,m; long long children[200005]; long long teacher[200005]; cin>>n>>m; for(int i=1;i<=n;i++){ cin>>children[i]; } for(int i=1;i<=m;i++){ cin>>teacher[i]; } sort(children+1,children+n+1); long long left_sum[100005]={0}; long long right_sum[100005]={0}; for(int i=1;i<n;i+=2){ left_sum[(i+1)/2]=llabs(children[i]-children[i+1])+left_sum[(i+1)/2-1]; right_sum[(i+1)/2]=llabs(children[i+1]-children[i+2])+right_sum[(i+1)/2-1]; } /* cout<<endl<<"left"<<endl; for(int i=0;i<=n/2;i++){ cout<<left_sum[i]<<endl; } cout<<endl<<"right"<<endl; for(int i=0;i<=n/2;i++){ cout<<right_sum[i]<<endl; } */ long long minimum=LLONG_MAX; for(int i=1;i<=m;i++){ long long sum=0; int index=upper_bound(children+1,children+n+1,teacher[i])-1-children; if(index%2==0){ sum+=llabs(teacher[i]-children[index+1])+right_sum[n/2]-right_sum[index/2] +left_sum[index/2]; }else{ sum+=llabs(teacher[i]-children[index])+right_sum[n/2]-right_sum[index/2] +left_sum[index/2]; } /* cout<<"target="<<teacher[i]<<endl; cout<<"sum="<<sum<<endl<<endl; */ minimum=min(minimum,sum); } cout<<minimum<<endl; return(0); }
#include <bits/stdc++.h> //#include <boost/multiprecision/cpp_int.hpp> //namespace mp = boost::multiprecision; //#include "atcoder/all" using namespace std; const double PI = 3.14159265358979323846; typedef long long ll; const double EPS = 1e-9; #define rep(i, n) for (int i = 0; i < (n); ++i) typedef pair<ll, ll> P; const ll INF = 10e17; #define cmin(x, y) x = min(x, y) #define cmax(x, y) x = max(x, y) #define ret() return 0; double equal(double a, double b) { return fabs(a - b) < DBL_EPSILON; } std::istream &operator>>(std::istream &in, set<int> &o) { int a; in >> a; o.insert(a); return in; } std::istream &operator>>(std::istream &in, queue<int> &o) { ll a; in >> a; o.push(a); return in; } bool contain(set<int> &s, int a) { return s.find(a) != s.end(); } typedef priority_queue<ll, vector<ll>, greater<ll> > PQ_ASK; template<class T, class F> struct SegmentTree { F f; T ti; vector<T> dat; int sz; SegmentTree(const F &f, const T &ti) : f(f), ti(ti) {} void build(const vector<T> &v) { assert(v.size()); sz = 1; while (sz < v.size())sz <<= 1; dat.resize(sz << 1, ti); for (int i = 0; i < v.size(); i++)dat[sz - 1 + i] = v[i]; for (int i = sz - 2; i >= 0; i--)dat[i] = f(dat[i * 2 + 1], dat[i * 2 + 2]); } inline void update(int k, T x) { k += sz - 1; dat[k] = x; while (k) { k = (k - 1) / 2; dat[k] = f(dat[k * 2 + 1], dat[k * 2 + 2]); } } inline void add(int k, int x) { k += sz - 1; dat[k] = f(dat[k], x); while (k) { k = (k - 1) / 2; dat[k] = f(dat[k * 2 + 1], dat[k * 2 + 2]); } } inline T query(int a, int b) { return query(a, b, 0, 0, sz); } T query(int a, int b, int k, int l, int r) { if (r <= a || b <= l)return ti; if (a <= l && r <= b)return dat[k]; return f(query(a, b, k * 2 + 1, l, (l + r) / 2), query(a, b, k * 2 + 2, (l + r) / 2, r)); } }; int main() { int n; cin >> n; vector<int> v(n); rep(i, n) cin >> v[i]; auto f = [](ll i, ll j) { return min(i, j); }; SegmentTree<ll, decltype(f)> segmentTree(f, INF); vector<ll> u(400000); rep(i, 400000) u[i] = i; segmentTree.build(u); rep(i, n) { segmentTree.update(v[i], INF); cout << segmentTree.query(0, 400000) << endl; } }
#include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; #define rep(i, n) for (int i = 0; i < (int)(n); i++) using ll = long long; using P = pair<int, int>; #define INF 1e18 #define MAX 200005 int main() { int n; cin >> n; set<int> a; rep(i,n+1) a.insert(i); vector<int> ans; rep(i,n) { int p; cin >> p; a.erase(p); ans.push_back(*(a.begin())); } for (auto a : ans) cout << a << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef long double ld; typedef vector<ll> vl; typedef vector<bool> vb; typedef vector<string> vs; typedef vector<char> vc; typedef queue<ll> ql; typedef deque<ll> dql; typedef priority_queue<ll> pql; typedef set<ll> sl; typedef pair<ll, ll> pl; typedef map<ll, ll> ml; typedef vector<vl> vvl; typedef vector<pl> vpl; #define rep(i, n) for(ll i = 0; i < ll(n); i++) #define rep2(i, k, n) for(ll i = ll(k); i <= ll(n); i++) #define rep3(i, n, k) for(ll i = ll(n); i >= ll(k); i--) #define all(v) (v).begin(), (v).end() ll mod(ll a, ll b) {return (a % b + b) % b;} ll quo(ll a, ll b) {return (a - mod(a, b)) / b;} template <typename T, typename U> bool chmin(T &a, const U b) {if(a > b) {a = b; return 1;} return 0;} template <typename T, typename U> bool chmax(T &a, const U b) {if(a < b) {a = b; return 1;} return 0;} const ll INF = 1LL << 60; const ll MOD = 1e9 + 7; //const ll MOD = 998244353; const ll MAX = 2e5; const ld eps = 1e-9; const char newl = '\n'; int main() { ios::sync_with_stdio(false); cin.tie(0); using P = pair<ll, string>; ll n, t; string s; cin >> n; priority_queue<P, vector<P>, greater<P>> pique; rep(_, n) { cin >> s >> t; pique.push(make_pair(t, s)); if(pique.size() > 2) pique.pop(); } cout << pique.top().second << newl; return 0; }
#include <bits/stdc++.h> #define rep(i,n) for(int i = 0; i < (n); i++) using namespace std; typedef long long ll; int main(){ cin.tie(0); ios::sync_with_stdio(0); int T; cin >> T; while(T--){ int N; cin >> N; set<int> se; rep(i,N){ int a; cin >> a; if(se.find(a) != se.end()){ se.erase(a); }else{ se.insert(a); } } cout << (N & 1 || (N % 2 == 0 && se.size() == 0) ? "Second" : "First") << '\n'; } }
#include <bits/stdc++.h> using namespace std; using ll = long long; ll MOD,dp[101][150000]; int main(){ for(int i=0;i<101;i++)for(int j=0;j<150000;j++)dp[i][j]=0; ll N,K,MOD; cin>>N>>K>>MOD; if(N==1){ cout<<K<<endl; return 0; } dp[1][0]=1,dp[1][K+1]=-1; for(int i=1;i<50;i++){ for(int j=0;;j++){ if(j>K*i*(i+1)/2)break; dp[i][j+i]+=dp[i][j]; dp[i][j+1]%=MOD; } for(int j=0;;j++){ if(j>K*i*(i+1)/2)break; dp[i+1][j]+=dp[i][j]; dp[i+1][j]%=MOD; dp[i+1][j+(i+1)*(K+1)]+=MOD-dp[i][j]; dp[i+1][j+(i+1)*(K+1)]%=MOD; } } if(N>=50){ for(int i=50;i<N;i++){ for(int j=0;j<127510;j++){ dp[i][j+i]+=dp[i][j]; dp[i][j+1]%=MOD; } for(int j=0;j<127510;j++){ dp[i+1][j]+=dp[i][j]; dp[i+1][j]%=MOD; dp[i+1][j+(i+1)*(K+1)]+=MOD-dp[i][j]; dp[i+1][j+(i+1)*(K+1)]%=MOD; } } } ll ans=0,cnt=0; cout<<K<<endl;//c_1 for(int i=2;i<N;i++){ cnt=K; for(int j=1;j<127510;j++){ cnt+=dp[i-1][j]*dp[N-i][j]%MOD*(K+1); cnt%=MOD; } cout<<cnt<<endl; } cout<<K<<endl;//c_N }
#include <iostream> #include <stdio.h> #include <algorithm> #include <cmath> #include <string> #include <vector> #include <list> #include <iomanip> #include <stack> #include <queue> #include <deque> #include <set> #include <map> #include <unordered_map> #include <bitset> #include <chrono> #include <random> #define rep(i,n) for(int i=0;i<n;i++) #define repn(i,n) for(int i=1;i<=n;i++) #define repr(e,x) for(auto& e:x) using namespace std; typedef long long ll; typedef long double ld; // typedef pair<int,int> P; // typedef pair<int,P> IP; // typedef pair<P,P> PP; double const PI=3.141592653589793; int const INF=1001001001; ll const LINF=1001001001001001001; ll const MOD=1000000007; int N; double x[2], y[2]; int main(){ cin>>N; rep(i,2) cin>>x[i]>>y[i]; double cx,cy; cx=(double)(x[0]+x[1])/2; cy=(double)(y[0]+y[1])/2; x[0]-=cx; y[0]-=cy; double a=2*PI/N; double ansx,ansy; ansx=x[0]*cos(a)-y[0]*sin(a); ansy=x[0]*sin(a)+y[0]*cos(a); ansx+=cx; ansy+=cy; cout<<setprecision(16)<<ansx<<' '<<ansy<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; // #include <atcoder/all> // using namespace atcoder; #define rep(i,n) for (int i = 0; i < (n); ++i) using ll = long long; bool ok(long long N, std::string &S, std::vector<long long> &A, int m) { rep (i, m) { vector<ll> tmp(N+1); rep(j, N+1) { tmp[j] = A[j] / m; if (i < A[j] % m) { tmp[j]++; } } rep(j, N) { if ( (S[j] == '>' && !(tmp[j] > tmp[j+1])) || (S[j] == '<' && !(tmp[j] < tmp[j+1])) ) { return 0; } } } return 1; } void solve(long long N, std::string S, std::vector<long long> A){ int l = 1, r = 10000+1; while (r - l > 1) { int m = (l + r) / 2; if (ok(N, S, A, m)) { l = m; } else { r = m; } } cout << l << endl; rep(i, l) { rep(j, N+1) { int tmp = A[j] / l; if (i < A[j] % l) { tmp++; } cout << tmp << ((j == N) ? "\n" : " "); } } // vector<ll> B(N+1); // ll mn = 0; // vector<int> gts(N+1); // vector<int> lts(N+1); // rep(i, N) { // if (S[i] == '<') { // lts[i+1] = lts[i] + 1; // } else { // lts[i+1] = 0; // } // } // for (int i = N-1; i >= 0; i--) { // if (S[i] == '>') { // gts[i] = gts[i+1] + 1; // } else { // gts[i] = 0; // } // } // rep(i, N+1) { // B[i] = max(gts[i], lts[i]); // } // vector<vector<ll>> ans; // while (1) { // vector<ll> rest = A; // int ok = 1; // rep(i, N+1) { // if (A[i] >= B[i]) { // A[i] -= B[i]; // } else { // ok = 0; // break; // } // } // if (ok) { // rep(i, N) { // if ( // (S[i] == '>' && !(A[i] > A[i+1])) || // (S[i] == '<' && !(A[i] < A[i+1])) // ) { // ok = 0; // break; // } // } // } // if (!ok) { // ans.push_back(rest); // break; // } // ans.push_back(B); // } // cout << ans.size() << endl; // rep(i, ans.size()) { // rep(j, ans[i].size()) { // cout << ans[i][j] << ((j == ans[i].size() - 1) ? "\n" : " "); // } // } } // Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools int main(){ long long N; scanf("%lld",&N); std::string S; std::cin >> S; std::vector<long long> A(N-0+1); for(int i = 0 ; i < N-0+1 ; i++){ scanf("%lld",&A[i]); } solve(N, S, std::move(A)); return 0; }
#include <bits/stdc++.h> #define ALL(A) (A).begin(), (A).end() #define ll long long #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } int dx[] = { 0, 1, -1, 0, 1, -1, 1, -1 }; // i<4:4way i<8:8way int dy[] = { 1, 0, 0, -1, 1, -1, -1, 1 }; const ll mod = 1e9 + 7; const ll INF = -1 * ((1LL << 63) + 1); const int inf = -1 * ((1 << 31) + 1); int main(void){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); int n; cin >> n; string s; cin >> s; vector<int> a(n+1); rep(i,n+1)cin >> a[i]; int k = 1e9+7; for(int i=0;i<n;i++){ chmin(k,abs(a[i] - a[i+1])); } cout << k << endl; for(int j=0;j<k;j++){ for(int i=0;i<=n;i++){ if(j < a[i] % k){ cout << (a[i] + k - 1)/k << " "; }else{ cout << a[i]/k << " "; } } cout << endl; } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> pint; typedef pair<ll,ll> pll; typedef vector<int> vint; typedef vector<ll> vll; typedef vector<string> vstr; typedef vector<pint> vpint; typedef vector<pll> vpll; #define vint2(v,n,m,init) vector<vector<int>> v(n, vector<int>(m, init)) #define vll2(v,n,m,init) vector<vector<ll>> v(n, vector<ll>(m, init)) #define rep(i,n) for(ll i=(ll)0; i<(ll)n; i++) #define REP(i,m,n) for(ll i=(ll)m; i<(ll)n; i++) #define arr(var, n) vint var(n); rep(i,n){cin >> var[i];} #define arrll(var, n) vll var(n); rep(i,n){cin >> var[i];} #define arrst(var, n) vstr var(n); rep(i,n){cin >> var[i];} #define ALL(var) (var).begin(), (var).end() #define sortall(var) sort(ALL(var)) #define uniqueall(v) v.erase(unique(v.begin(), v.end()), v.end()); #define prt(var) cout << (var) << "\n" #define prt2(v1, v2) cout << (v1) << " " << (v2) << "\n" #define prt3(v1, v2, v3) cout << (v1) << " " << (v2) << " " << (v3) << "\n" #define prtd(n, var) cout << fixed << setprecision(n) << (var) << "\n" #define prtfill(n, var) cout << setw(n) << setfill('0') << (var); #define prtall(v) rep(i,v.size()){cout<<v[i]<<(i!=v.size()-1?" ":"\n");} template <typename T> bool chmax(T &a, const T& b){if(a<b){a=b; return true;} return false;} template <typename T> bool chmin(T &a, const T& b){if(a>b){a=b; return true;} return false;} ll gcd(ll a, ll b){ return b?gcd(b,a%b):a;} ll lcm(ll a, ll b){ return a/gcd(a,b)*b;} //---------------------------------------------------------------------------- #define prt4(v1,v2,v3,v4) cout<<(v1)<<" "<<(v2)<<" "<<(v3)<<" "<<(v4)<<"\n"; int main(void) { arrll(a,4); ll k = a[0] + a[1] + a[2] + a[3]; bool ok = false; rep(i,4){ REP(j,i+1,4){ if(a[i]+a[j]==k-a[i]-a[j]) ok = true; } } rep(i,4){ if(a[i]==k-a[i]) ok = true; } prt(ok ? "Yes" : "No"); }
/// kazuki08 /* #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("O3") #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #pragma GCC optimize("unroll-loops") */ #include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; using namespace std; #define int long long typedef long long ll; typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>ordered_set; typedef long double ld; typedef vector<int> vi; typedef pair<int,int> pi; typedef vector<pi> vpi; #define ar array //#define inf 1000000000 #define mod 1000000007 #define dmp(x) cerr<<"line "<<__LINE__<<" "<<#x<<":"<<x<<endl #define fs first #define sc second #define pb push_back #define all(c) (c).begin(),(c).end() #define mt make_tuple #define IOS ios::sync_with_stdio(0);cin.tie(0);cout.tie(0) template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){ return o<<"("<<p.fs<<","<<p.sc<<")"; } template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){ o<<"{"; for(const T& v:vc) o<<v<<","; o<<"}"; return o; } mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); string s,t="atcoder"; int n; int match(int x){ if(x==0){ int res = mod; for(int j=0;j<s.size();j++){ if(s[j]>'a')return j; } return res; } int done[n+1]={0}; int res = 0; for(int i=0;i<x;i++){ int cnt = 0; bool f = false; for(int j=0;j<s.size();j++){ if(done[j])continue; if(s[j]==t[i]){ done[j]=1; res+=cnt; f = true; break; } cnt++; } if(!f)return mod; } if(x<t.size()){ bool f = false; int cnt = 0; for(int j=0;j<s.size();j++){ if(done[j])continue; if(t[x]<s[j]){ res+=cnt; f = true; break; } cnt++; } if(!f)return mod; } else { if(s.size()>x)return res; else return mod; } return res; } signed main(){ IOS; //freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); int T; cin >> T; while(T--){ cin >> s; n = s.size(); int ans = mod; for(int i=0;i<=t.size();i++){ ans = min(ans,match(i)); // cerr << i << " " << ans << endl; } if(ans>=mod){ ans = -1; } cout << ans << endl; } return 0; } ///....
// D - Game in Momotetsu World #include "bits/stdc++.h" using namespace std; #ifndef DEBUG #define fundri 108 #define debug(...) 1729 #define endl '\n' #endif #define int int64_t typedef pair<int, int> pii; typedef vector<int> vi; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); inline int rnd(int l = 0, int r = INT_MAX) {return uniform_int_distribution<int>(l, r)(rng);} bool in_range(int x, int l, int r) {return l <= x && x <= r;} template<typename H, typename ...T>void inp(H &head) {cin >> head;} template<typename H, typename ...T>void inp(H &head, T &...tail) {cin >> head;inp(tail...);} template<typename T>inline istream &operator >>(istream &in, vector<T> &a) {for(T &x : a)in >> x; return in;} template<typename T, typename U>inline istream &operator >>(istream &in, pair<T, U> &a) {in >> a.first >> a.second; return in;} // Multi-Dimension Vector // Usage: vec<n, data-type> dp(dimention-1, dimention-2, ..., dimention-n, default = data-type()) template<int D, typename T> struct vec : public vector<vec<D - 1, T>> { static_assert(D >= 1, "Vector dimensions must be greater than zero !!"); template<typename... Args> vec(int n = 0, Args... args) : vector<vec<D - 1, T>>(n, vec<D - 1, T>(args...)){} }; template<typename T> struct vec<1, T> : public vector<T> {vec(int n = 0, T val = T()) : vector<T>(n, val){}}; const int inf = 1e15; const bool testcases = false; const bool ready = []() -> bool { ios_base::sync_with_stdio(false); cin.tie(nullptr); #ifdef DHRUV_GHEEWALA freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout); freopen("debug.txt", "w", stderr); #endif return true; }(); void solve(int tc); int32_t main(int32_t argc, char **argv) { int TC = 1; if(testcases) cin >> TC; // Pre-Processing goes here... for(int tc = 1; tc <= TC; ++tc) { solve(tc); fundri; } exit(0); } int n, m; vec<2, int> dp; vec<2, char> grid; int get(int i, int j) { if(!in_range(i, 0, n - 1) || !in_range(j, 0, m - 1)) { return -inf; } return grid[i][j] == '+' ? 1 : -1; } int rec(int i, int j) { if(i == n - 1 && j == m - 1) return 0; int &res = dp[i][j]; if(res != -inf) return res; if(i + 1 >= n) { return res = get(i, j + 1) - rec(i, j + 1); } if(j + 1 >= m) { return res = get(i + 1, j) - rec(i + 1, j); } int down = get(i + 1, j) - rec(i + 1, j); int right = get(i, j + 1) - rec(i, j + 1); return res = max(down, right); } void solve(int tc) { cin >> n >> m; grid = vec<2, char>(n, m); cin >> grid; if(n == 1 && m == 1) { cout << "Draw" << endl; return; } dp = vec<2, int>(n, m, -inf); int diff = rec(0, 0); debug(dp); if(diff == 0) { cout << "Draw" << endl; } else if(diff > 0) { cout << "Takahashi" << endl; } else { cout << "Aoki" << endl; } }
#include <bits/stdc++.h> using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set tree < pairs , null_type , greater<pairs>, rb_tree_tag , tree_order_statistics_node_update > #define ll long long #define lld long double #define vc vector<ll> const ll MOD=(1e9 +7); typedef pair<ll,ll>pairs; ll power(ll a, ll b){ll res=1;a=a%MOD;while(b>0){if(b&1){res=(res*a)%MOD;b--;}a=(a*a)%MOD;b>>=1;} return res;} int main() { // your code goes here std::ios::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL); //Read the qstn. properlyyyyy!!! ll t,n,i,j,k,c,f,h,w; cin>>h>>w; vector<vc>a(h+1,vc(w+1)),dp(h+1,vc(w+1)),down(h+1,vc(w+1)),diag(h+1,vc(w+1)),rt(h+1,vc(w+1)); char ch; for(i=1;i<=h;i++) { for(j=1;j<=w;j++){ cin>>ch; if(ch=='.') { a[i][j]=1; } else a[i][j]=0; } } dp[1][1]=1; for(i=1;i<=h;i++) { for(j=1;j<=w;j++) { if(a[i][j]) { dp[i][j]+=(rt[i][j-1]+diag[i-1][j-1]+down[i-1][j])%MOD; diag[i][j]=(dp[i][j]+diag[i-1][j-1])%MOD; down[i][j]=(dp[i][j]+down[i-1][j])%MOD; rt[i][j]=(dp[i][j]+rt[i][j-1])%MOD; } } } cout<<dp[h][w]; return 0; }
#include "bits/stdc++.h" using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; /*---------------------DEBUGGING--------------------------------------------*/ void __print(int x) {cerr << x;} void __print(long x) {cerr << x;} void __print(long long x) {cerr << x;} void __print(unsigned x) {cerr << x;} void __print(unsigned long x) {cerr << x;} void __print(unsigned long long x) {cerr << x;} void __print(float x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "]\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifndef ONLINE_JUDGE #define debug(x...) cerr << "[" << #x << "] = ["; _print(x) #else #define debug(x...) #endif /*-------------------------------------------------------------------------------------*/ #define pb push_back #define ll long long #define pii pair<int,int> #define pcc pair<char,char> #define F first #define S second #define int long long #define pi 3.141592653589793238462643383279502 #define M 1000000007 //998244353 #define rep(i,a,n) for(int i=a;i<n;i++) #define INF 1e18 #define N 100005 #define vi vector<int> #define all(v) v.begin(),v.end() #define endl "\n" //typedef tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set; void solve() { int n; cin>>n; vi a(n); rep(i,0,n)cin>>a[i]; sort(all(a)); bool f = true; for(int i=0;i<n;i++) { if(a[i] != (i+1))f=false; } if(f)cout<<"Yes"<<endl; else cout<<"No"<<endl; } signed main() { ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); int tests; tests=1; //cin>>tests; for(int i=0;i<tests;i++) { solve(); } }
#include<bits/stdc++.h> using namespace std; int n; int chk[100001]; int main(){ scanf("%d" , &n); for(int i = 0; i<n;i++){ int tmp; scanf("%d" , &tmp); if(chk[tmp]){ printf("No"); return 0; } chk[tmp]=1; } printf("Yes"); }
#include <iostream> #include <iomanip> #include <cassert> #include <cmath> #include <cstdio> #include <cstring> #include <cstdlib> #include <map> #include <set> #include <queue> #include <stack> #include <vector> #include <algorithm> #include <numeric> #include <array> #include <complex> using namespace std; #pragma comment(linker, "/stack:200000000") #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define int long long #define rep(i, a, b) for (int i = (a); i < (b); ++i) #define trav(i, a) for (auto &i: (a)) #define sz(x) (int)(x).size() #define all(v) v.begin(), v.end() #define fr(i, a, b) for (int i = (a); i <= (b); ++i) typedef long long ll; typedef long double ld; void run_case(); int32_t main () { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(3); #ifndef ONLINE_JUDGE freopen("in", "r", stdin); #endif int t = 1; // cin >> t; while (t--) { run_case(); } return 0; } const int N = 25; vector<int> adj[N]; vector<int> nadj[N]; int n, m; vector<int> vis; bool dfs (int v, int c = 1) { vis[v] = c; bool ok = true; for (auto &i: nadj[v]) { if (vis[i] == 0) ok &= dfs(i, 3 ^ c); else if (vis[i] == vis[v]) return false; } return ok; } void run_case() { cin >> n >> m; vis.resize(n); for (int i = 0; i < m; ++i) { int a, b; cin >> a >> b; --a, --b; adj[a].push_back(b); adj[b].push_back(a); } int ans = 0; for (int mask = 0; mask < (1 << n); ++mask) { fill(all(vis), 0); for (int b = 0; b < n; ++b) { nadj[b].clear(); if ((1 << b) & mask) { for (auto &j: adj[b]) { if ((1 << j) & mask) nadj[b].push_back(j); } } } int cnt = 0; bool ok = true; for (int b = 0; b < n; ++b) { if (vis[b]) continue; if ((1 << b) & mask) { if (dfs(b)) ++cnt; else { ok = false; break; } } } if (!ok) continue; for (int b = 0; b < n; ++b) { if (!vis[b]) { for (auto j: adj[b]) { if (!vis[j]) ok = false; } } } if (!ok) continue; int pw = 1; for (int j = 0; j < cnt; ++j) pw *= 2; ans += pw; } cout << ans; }
#include <bits/stdc++.h> using namespace std; #define IOS ios::sync_with_stdio(false) #define rep(i, n) for(ll i=0; i<(ll)n; i++) #define ALL(obj) begin(obj), end(obj) typedef long long ll; vector<vector<int> > G(22); vector<int> color(22, -1), ts; vector<bool> vis(22, 0); int n, m, a, b; void dfs(int now){ ts.push_back(now); vis[now]=1; for(int i: G[now]){ if(vis[i]) continue; dfs(i); } } ll DFS(int i){ if(i==ts.size()) return 1; ll res=0; rep(j, 3){ bool f=1; for(int x:G[ts[i]]){ if(color[x]==j){ f=0; break; } } if(!f) continue; color[ts[i]]=j; res+=DFS(i+1); color[ts[i]]=-1; } return res; } int main() { IOS; cin>>n>>m; rep(i, m){ cin>>a>>b; a--; b--; G[a].push_back(b); G[b].push_back(a); } ll ans=1; rep(i, n){ if(vis[i]) continue; dfs(i); fill(ALL(color), -1); ans*=DFS(0); ts.clear(); } cout<<ans<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, srt, end) for (long long i = (srt); i < (long long)(end); i++) constexpr ll mod = 1000000007; void solve() { ll n; cin >> n; vector<ll> a(n); rep(i, 0, n) cin >> a[i]; if(n % 2) { cout << "Second\n"; return; } map<ll,ll> mp; rep(i, 0, n) mp[a[i]]++; bool f = true; for(auto e: mp) { if(e.second % 2) f = false; } if(f) cout << "Second\n"; else cout << "First\n"; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); ll t; cin >> t; while(t--) solve(); return 0; }
#include <iostream> #include <stdio.h> #include <vector> #include <algorithm> #include <string> #include <iomanip> #define _USE_MATH_DEFINES #include <math.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repi(i, a, b) for (int i = (int)(a); i < (int)(b); i++) using namespace std; int main() { int n; cin >> n; int i; int num; int count = 0; int check = 0; for (i = 1; i <= n; i++) { num = i; while (num/10>0||num%10!=0) { if (num%10==7) { check = 1; break; } num = num / 10; } num = i; while (num / 8 > 0 || num % 8 != 0) { if (num % 8 == 7) { check = 1; break; } num = num / 8; } if (check == 0) { count++; } check = 0; } cout << count; return 0; }
#include <iostream> #include <cstdio> #include <algorithm> #include <cstring> #include <queue> #include <map> #include <unordered_map> using namespace std; #define debug(x) cout << #x << '=' << x << '\n' #define rep(i, b, e) for (int i = b; i <= e; i++) const int N = 212345; int n, a[N], b[N], c[N]; map<int, queue<int>> mp; namespace Bit { int c[N], size; inline int lowbit(int x) { return x & (-x); } inline void add(int loc, int val) { for (; loc <= size; loc += lowbit(loc)) { c[loc] += val; } } inline int query(int loc) { int ret = 0; for (; loc; loc -= lowbit(loc)) { ret += c[loc]; } return ret; } } int main(){ cin >> n; rep (i, 1, n) { scanf("%d", a + i); a[i] += i; mp[a[i]].push(i); } rep (i, 1, n) { scanf("%d", b + i); b[i] += i; if (mp[b[i]].size() == 0) { puts("-1"); return 0; } c[i] = mp[b[i]].front(); mp[b[i]].pop(); } //rep (i, 1, n) { // debug(c[i]); //} Bit::size = n; long long ans = 0; for (int i = n; i > 0; i--) { ans += Bit::query(c[i] - 1); Bit::add(c[i], 1); } cout << ans; return 0; }
#include<bits/stdc++.h> using namespace std; int a[200010],b[200010]; queue<int>pos[200010]; map<int,int>id; int tot,n; int T[200010<<2]; int q(int rt,int l,int r,int pos){ if(l==r)return T[rt]; int mid=l+r>>1; if(pos<=mid)return T[rt]+q(rt<<1,l,mid,pos); else return T[rt]+q(rt<<1|1,mid+1,r,pos); } void ad(int rt,int l,int r,int L,int R){ if(l==L&&r==R){ T[rt]++;return; } int mid=l+r>>1; if(R<=mid)ad(rt<<1,l,mid,L,R); else if(L>mid)ad(rt<<1|1,mid+1,r,L,R); else ad(rt<<1,l,mid,L,mid),ad(rt<<1|1,mid+1,r,mid+1,R); } int main(){ scanf("%d",&n); for(int i=1;i<=n;i++){ scanf("%d",&a[i]); a[i]+=i; int t=id[a[i]]; if(!t)id[a[i]]=t=++tot; pos[t].push(i); } int flag=1; for(int i=1;i<=n;i++){ scanf("%d",&b[i]); b[i]+=i; int t=id[b[i]]; if(t&&!pos[t].empty()){ b[i]=pos[t].front(); pos[t].pop(); } else flag=0; } if(!flag)printf("-1"); else{ long long ans=0; for(int i=1;i<=n;i++)ans+=q(1,1,n,b[i]),ad(1,1,n,1,b[i]); printf("%lld",ans); } }
// Template #include <iostream> #include <vector> #include <algorithm> #include <numeric> #include <iomanip> #include <tuple> #include <utility> #include <queue> #include <set> #include <map> #include <array> #include <cassert> #include <cmath> #define rep_override(x, y, z, name, ...) name #define rep2(i, n) for (int i = 0; i < (int)(n); ++i) #define rep3(i, l, r) for (int i = (int)(l); i < (int)(r); ++i) #define rep(...) rep_override(__VA_ARGS__, rep3, rep2)(__VA_ARGS__) #define all(x) (x).begin(), (x).end() using namespace std; using ll = long long; constexpr int inf = 1001001001; constexpr ll infll = 3003003003003003003LL; template <typename T> inline bool chmin(T &x, const T &y) { if (x > y) { x = y; return true; } return false; } template <typename T> inline bool chmax(T &x, const T &y) { if (x < y) { x = y; return true; } return false; } template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (T &element : vec) is >> element; return is; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) { for (int i = 0, vec_len = (int)vec.size(); i < vec_len; ++i) { os << vec[i] << (i + 1 == vec_len ? "" : " "); } return os; } struct IOSET { IOSET() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); } } ioset; // Main int main() { int n; cin >> n; vector<ll> a(n); cin >> a; ll mx = 0, sum = 0, sum2 = 0; rep(i, n) { chmax(mx, a[i]); sum += a[i]; cout << sum + mx * (i + 1) + sum2 << '\n'; sum2 += sum; } }
#pragma GCC optimize ("Ofast") #include<bits/stdc++.h> using namespace std; void*wmem; char memarr[96000000]; template<class T> inline void walloc1d(T **arr, int x, void **mem = &wmem){ static int skip[16] = {0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1}; (*mem) = (void*)( ((char*)(*mem)) + skip[((unsigned long long)(*mem)) & 15] ); (*arr)=(T*)(*mem); (*mem)=((*arr)+x); } template<class T1> void sortA_L(int N, T1 a[], void *mem = wmem){ sort(a, a+N); } inline int my_getchar_unlocked(){ static char buf[1048576]; static int s = 1048576; static int e = 1048576; if(s == e && e == 1048576){ e = fread_unlocked(buf, 1, 1048576, stdin); s = 0; } if(s == e){ return EOF; } return buf[s++]; } inline void rd(int &x){ int k; int m=0; x=0; for(;;){ k = my_getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } inline int rd_int(void){ int x; rd(x); return x; } struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite_unlocked(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar_unlocked(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar_unlocked(a); } inline void wt_L(const char c[]){ int i=0; for(i=0;c[i]!='\0';i++){ my_putchar_unlocked(c[i]); } } int N; int A[100000]; int main(){ int Lj4PdHRW; wmem = memarr; int KL2GvlyY = rd_int(); for(Lj4PdHRW=(0);Lj4PdHRW<(KL2GvlyY);Lj4PdHRW++){ rd(N); { int cTE1_r3A; for(cTE1_r3A=(0);cTE1_r3A<(N);cTE1_r3A++){ rd(A[cTE1_r3A]); } } sortA_L(N,A); if(N%2==1){ wt_L("Second"); wt_L('\n'); } else{ int i; int fg = 1; for(i=(0);i<(N);i+=(2)){ if(A[i]!=A[i+1]){ fg = 0; } } if(fg){ wt_L("Second"); wt_L('\n'); } else{ wt_L("First"); wt_L('\n'); } } } return 0; } // cLay varsion 20201003-1 // --- original code --- // int N, A[1d5]; // { // REP(rd_int()){ // rd(N,A(N)); // sortA(N,A); // if(N%2==1){ // wt("Second"); // } else { // int fg = 1; // rep(i,0,N,2) if(A[i]!=A[i+1]) fg = 0; // wt(if[fg, "Second", "First"]); // } // } // }
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 10; int n, d[N], ans[N], last, fa[N], rt, st, mxd[N]; vector <int> e[N]; void dfs1_(int u) { mxd[u] = d[u] = d[fa[u]] + 1; for (int v, i = 0; i < (int) e[u].size(); i++) { v = e[u][i]; if (v == fa[u]) continue; fa[v] = u, dfs1_(v), mxd[u] = max(mxd[u], mxd[v]); } if (d[u] > d[rt]) rt = u; } bool cmp_(int u, int v) { return mxd[u] < mxd[v]; } void dfs2_(int u) { last = u; sort(e[u].begin(), e[u].end(), cmp_); for (int v, i = 0; i < (int) e[u].size(); i++) { v = e[u][i]; if (v == fa[u]) continue; ans[v] = ans[last] + d[last] + d[v] - d[u]*2; dfs2_(v); } } int main() { scanf("%d", &n); for (int u, v, i = 1; i < n; i++) scanf("%d%d", &u, &v), e[u].push_back(v), e[v].push_back(u); dfs1_(1), st = rt; fa[st] = 0, dfs1_(st); ans[st] = 1, dfs2_(st); for (int i = 1; i <= n; i++) printf("%d ", ans[i]); }
/** ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡀⠀⠀⠀⠀⢀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⡖⠁⠀⠀⠀⠀⠀⠀⠈⢲⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⣼⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⣧⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⣸⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⣿⣇⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⣿⣿⡇⠀⢀⣀⣤⣤⣤⣤⣀⡀⠀⢸⣿⣿⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⢻⣿⣿⣔⢿⡿⠟⠛⠛⠻⢿⡿⣢⣿⣿⡟⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⣀⣤⣶⣾⣿⣿⣿⣷⣤⣀⡀⢀⣀⣤⣾⣿⣿⣿⣷⣶⣤⡀⠀⠀⠀⠀ ⠀⠀⢠⣾⣿⡿⠿⠿⠿⣿⣿⣿⣿⡿⠏⠻⢿⣿⣿⣿⣿⠿⠿⠿⢿⣿⣷⡀⠀⠀ ⠀⢠⡿⠋⠁⠀⠀⢸⣿⡇⠉⠻⣿⠇⠀⠀⠸⣿⡿⠋⢰⣿⡇⠀⠀⠈⠙⢿⡄⠀ ⠀⡿⠁⠀⠀⠀⠀⠘⣿⣷⡀⠀⠰⣿⣶⣶⣿⡎⠀⢀⣾⣿⠇⠀⠀⠀⠀⠈⢿⠀ ⠀⡇⠀⠀⠀⠀⠀⠀⠹⣿⣷⣄⠀⣿⣿⣿⣿⠀⣠⣾⣿⠏⠀⠀⠀⠀⠀⠀⢸⠀ ⠀⠁⠀⠀⠀⠀⠀⠀⠀⠈⠻⢿⢇⣿⣿⣿⣿⡸⣿⠟⠁⠀⠀⠀⠀⠀⠀⠀⠈⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣼⣿⣿⣿⣿⣧⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠐⢤⣀⣀⢀⣀⣠⣴⣿⣿⠿⠋⠙⠿⣿⣿⣦⣄⣀⠀⠀⣀⡠⠂⠀⠀⠀ ⠀⠀⠀⠀⠀⠈⠉⠛⠛⠛⠛⠉⠀⠀⠀⠀⠀⠈⠉⠛⠛⠛⠛⠋⠁⠀⠀ **/ #define _USE_MATH_DEFINES #include <bits/stdc++.h> #define nl cout<<"\n"; #define ll long long int #define ld double #define pb push_back #define all(x) (x).begin(),(x).end() #define fi first #define se second #define F(i,a,b) for(i=a;i<b;i++) //#include <ext/pb_ds/assoc_container.hpp> // policy based data structure header files //#include <ext/pb_ds/tree_policy.hpp> // policy based data structure header files #define IOS ios::sync_with_stdio(false);cin.tie(0); using namespace std; //using namespace __gnu_pbds; // for pbds //#define ordered_set tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> // have functions like order_of_key, find_by_order const double PI = 3.14159265358979323846264338327950288419716939937510582097494459230781641; const ll M=1e18; const ll MAXN=200200; ll i,j,mask; vector<vector<ll> > v(MAXN); vector<ll> dist(MAXN), par(MAXN), ans(MAXN), vis(MAXN); ll val=1; void dfs0(ll p) { for(auto x:v[p]) { if(x!=par[p]) { par[x]=p; dist[x]=dist[p]+1; dfs0(x); } } } void dfs(ll p, ll parent, ll f) { if(ans[p]==0) { ans[p]=val; val++; } if(f) { for(auto x:v[p]) { if(x!=parent) { dfs(x, p,1); } } val++; return ; } ll node=0; for(auto x:v[p]) { if(x!=parent) { if(vis[x]) { node=x; } else { dfs(x, p, 1); //val++; } } } if(node!=0) { dfs(node, p, 0); } } void solve() { ll n; cin>>n; F(i,0,n-1) { ll x,y; cin>>x>>y; v[x].pb(y); v[y].pb(x); } dfs0(1); ll node=0, maxx=0; F(i,1,n+1) { if(dist[i]>maxx) { maxx=dist[i]; node=i; } } //cout<<node;nl dist[node]=0; par[node]=0; dfs0(node); maxx=0; F(i,1,n+1) { if(dist[i]>maxx) { maxx=dist[i]; node=i; } } //cout<<node;nl while(par[node]!=0) { vis[node]=1; node=par[node]; } //cout<<node;nl vis[node]=1; dfs(node, -1, 0); F(i, 1, n+1) { cout<<ans[i]<<" "; } } int main() { IOS /*#ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif // ONLINE_JUDGE*/ ll t,test=1; //cin>>test; F(t,1,test+1) { //cout<<"Case #"<<t<<": "; solve(); nl } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using vl = vector<ll>; template<class T> using vc = vector<T>; template<class T> using vvc = vector<vector<T>>; #define eb emplace_back #define all(x) (x).begin(), (x).end() #define rep(i, n) for (ll i = 0; i < (n); i++) #define repr(i, n) for (ll i = (n)-1; i >= 0; i--) #define repe(i, l, r) for (ll i = (l); i < (r); i++) #define reper(i, l, r) for (ll i = (r)-1; i >= (l); i--) #define repa(i,n) for (auto& i: n) template<class T1, class T2> inline bool chmax(T1 &a, const T2 &b) {if (a<b) { a=b; return 1;} return 0;} template<class T1, class T2> inline bool chmin(T1 &a, const T2 &b) {if (b<a) { a=b; return 1;} return 0;} struct init{init(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);cerr<<fixed<<setprecision(15);}}init_; #ifdef DEBUG template <class T> void verr(const set<T> &st) { repa(a, st) cerr << a << " "; cerr << endl; } template <class S, class T> void verr(const map<S, T> &mp) { repa(a, mp) cerr << "{" << a.first << ", " << a.second << "} "; cerr << endl; } template <class S, class T, class N> void verr(const vector<pair<S,T>>& a, const N& n) { rep(i, n) cerr << "{" << a[i].first << ", " << a[i].second << "} "; cerr << endl; } template <class T, class N> void verr(const vector<T>& a, const N& n) { rep(i, n) cerr << a[i] << " "; cerr << endl; } ll dbgt = 1; void err() { cerr << "passed " << dbgt++ << endl; } template<class H, class... T> void err(H&& h,T&&... t){ cerr<< h << (sizeof...(t)?" ":"\n") << flush; if(sizeof...(t)>0) err(forward<T>(t)...); } #endif const ll INF = 4e18; const ld EPS = 1e-11; const ld PI = acos(-1.0L); // const ll MOD = 1e9 + 7; const ll MOD = 998244353; //--------------------------------------------------------------------------------// ll modpow(ll a, ll n, ll mod) { ll res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } int main() { ll N; cin >> N; vl A(N); rep(i, N) cin >> A[i]; sort(all(A)); ll ans = 0; vl acc(N + 1), p2(N + 1, 1), invp2(N + 1, 1); rep(i, N) p2[i + 1] = p2[i] * 2 % MOD; invp2[N] = modpow(p2[N], MOD - 2, MOD); repr(i, N) invp2[i] = (invp2[i + 1] * 2) % MOD; rep(i, N) acc[i + 1] = (acc[i] + p2[i] * A[i]) % MOD; rep(i, N){ ans += A[i] * A[i] % MOD; (ans += A[i] * (acc[N] - acc[i + 1]) % MOD * invp2[i + 1] % MOD) %= MOD; } cout << (ans + MOD) % MOD << endl; }
#include <cstdio> #include <cstring> #include <algorithm> #include <iostream> #include <queue> using namespace std; const int mod = 998244353; int A[200010]; int main() { int n; scanf("%d", &n); for(int i = 1; i <= n; ++i) { scanf("%d", &A[i]); } sort(A + 1, A + 1 + n); int res = 0, ans = 0; A[n + 1] = 0; for(int i = n; i >= 1; --i) { res = (long long)res * 2 % mod + A[i + 1]; res %= mod; ans += ((long long) A[i] * res % mod); ans %= mod; ans += ((long long)A[i] * A[i] %mod); ans %= mod; } printf("%d\n", ans); return 0; }
#include <bits/stdc++.h> #define loop(s, e, i) for (int i = s; i < e; ++i) #define print(s) cout << s << endl; #define DIV 1000000007 using namespace std; typedef long long ll; typedef unsigned long long ull; const ll INF = 1e18+7; ll ceildiv(ll a, ll b) { return (a+b-1)/b; } // 切り上げ ll floordiv(ll a, ll b) { return a/b; } // 切り下げ int show_matrix(vector<vector<int>> &dp) { loop(0, dp.size(), i) { loop(0, dp[i].size(), j) { cout << dp[i][j] << " "; } cout << endl; } return 0; } /* 浮動小数点の入力 cout << fixed << setprecision(9) << endl; */ int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll N; cin >> N; N--; N /= 100; print(N+1); }
#include<bits/stdc++.h> #include <iostream> using namespace std; int main() { long int n; cin>>n; if(n%100==0){ cout<<n/100; }else{ cout<<((n/100)+1); } return 0; }
#include<bits/stdc++.h> using namespace std; const int maxn=2e5+10; const int mod=1e9+7; char s[maxn];int n,vis[300],ans=0,cnt=0; int dp[maxn][17],f[maxn][17][17]; int mp[300]; void dfs(int pos) { if(pos>n) return; for(int i=1;i<=16;i++){ dp[pos][i]=(dp[pos][i]+1LL*i*dp[pos-1][i]%mod)%mod; dp[pos][i]=(dp[pos][i]+1LL*(17-i)*dp[pos-1][i-1]%mod)%mod; } if(pos!=1){ dp[pos][1]=(dp[pos][1]+15)%mod; }else{ dp[pos][1]=(dp[pos][1]+(mp[s[pos]]-1))%mod; } if(pos!=1){ for(int i=0;i<mp[s[pos]];i++){ if(vis[i]==0) dp[pos][cnt+1]=(dp[pos][cnt+1]+1)%mod; else dp[pos][cnt]=(dp[pos][cnt]+1)%mod; } } if(vis[mp[s[pos]]]==0) cnt++,vis[mp[s[pos]]]=1; //cout<<pos<<" "<<dp[pos][1]<<endl; dfs(pos+1); } int main() { for(int i=0;i<10;i++) mp[i+'0']=i; for(int i=0;i<6;i++) mp[i+'A']=i+10; scanf("%s",s+1);n=strlen(s+1);int k;scanf("%d",&k); dfs(1);if(cnt==k) dp[n][k]++; cout<<dp[n][k]<<endl; }
#include<iostream> #include<cstdlib> #include<utility> #include<tuple> #include<string> #include<vector> #include<numeric> #include<algorithm> #include<queue> #include<deque> #include<bitset> #include<cmath> #include<map> #include<string> #include<iomanip> #include<set> using namespace std; using ll = long long; const ll mod = 1e9 + 7; const double PI = acos(-1); #define rep(i, a, b) for(ll i = a; i < b; i++) ll repeat(ll x) { ll res = 1; rep(i, 0, x)res *= 10; return res; } int main() { string s; cin >> s; ll n = s.size(); bool ans = false; if (n == 1) { if (stoi(s) == 8) ans = true; }else if (n == 2) { if (stoi(s) % 8 == 0) ans = true; swap(s[0], s[1]); if (stoi(s) % 8 == 0) ans = true; } else { vector<ll> x(11, 0); rep(i, 0, n) { x[s[i] - '0']++; } if (x[0] >= 2 && x[8] >= 1) ans = true; else if (x[0] >= 1) { for (ll i = 16; i < 100; i += 8) { s = to_string(i); if (x[s[0]] >= 1 && x[s[1]] >= 1) ans = true; } } else { for (ll i = 104; i < 1000; i += 8) { s = to_string(i); x[s[0] - '0']--; x[s[1] - '0']--; x[s[2] - '0']--; if (x[s[0] - '0'] >= 0 && x[s[1] - '0'] >= 0 && x[s[2] - '0'] >= 0) ans = true; x[s[0] - '0']++; x[s[1] - '0']++; x[s[2] - '0']++; } } } if (ans)cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define REP(i, n) for(int i = 0; i < (n); i++) #define REPS(i, n) for(int i = 1; i <= (n); i++) #define RREP(i, n) for(int i = (n)-1; i >= 0; i--) #define RREPS(i, n) for(int i = (n); i > 0; i--) #define ALL(v) v.begin(), v.end() #define RALL(v) v.rbegin(), v.rend() #define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end()) #define mp make_pair #define mt make_tuple #define pb push_back #define YES cout << "YES" << endl #define Yes cout << "Yes" << endl #define yes cout << "yes" << endl #define NO cout << "NO" << endl #define No cout << "No" << endl #define no cout << "no" << endl using ll = long long; using pi = pair<int, int>; using pl = pair<ll, ll>; using vi = vector<int>; using vl = vector<ll>; using vs = vector<string>; using vb = vector<bool>; using vvi = vector<vi>; using vvl = vector<vl>; //const int MOD = 1e9 + 7; const int MOD = 998244353; const int INF = 1e9 + 7; const ll INFL = 1e18; const double PI = 3.141592653589793; const double EPS = 1e-9; template<class T> bool chmax(T &a, const T &b) { if(a < b) { a = b; return true; } return false; } template<class T> bool chmin(T &a, const T &b) { if(a > b) { a = b; return true; } return false; } signed main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); ll N; cin >> N; ll ans = 0; REP(i, N) { ll A, B; cin >> A >> B; A--; ans += B*(B+1)/2; ans -= A*(A+1)/2; } cout << ans << endl; }
#include <iostream> using namespace std; int main() { int N; cin >> N; long long A[N], B[N]; long long sum = 0; for (int i = 0; i < N; i++) { cin >> A[i] >> B[i]; sum = sum + 0.5 * (B[i] - A[i] + 1)*(A[i] + B[i]); } cout << sum << endl; return 0; }