code_file1
stringlengths
87
4k
code_file2
stringlengths
82
4k
#include <iostream> #include <vector> #include <math.h> #include <algorithm> using namespace std; int main() { // input long long t, N; cin >> t >> N; // for (int i = 1; i <= 100; i++) // { // cout << i << " " << (100 + t) / 100.0 * i << endl; // } cout << (long long)(100.0 / t * N + 0.99) + N - 1 << endl; }
#include "bits/stdc++.h" using namespace std; #define int long long #define FOR(n) for(int i=0;i<n;i++) #define rep(i,j,n) for(int i=j;i<n;i++) #define pb push_back #define ppb pop_back() #define mod 1000000007 #define all(v) v.begin(),v.end() #define every(a,n) a,a+n #define mp make_pair #define F first #define S second #define max(a, b) (a < b ? b : a) #define min(a, b) ((a > b) ? b : a) #define tez ios_base::sync_with_stdio(false);cin.tie(NULL); #define all_st for(auto it=st.begin();it!=st.end();it++) #define mp_x unordered_map<int,int>x #define endl "\n" #define sz(x) (int)x.size() void solve() { double a,b; cin>>a>>b; if(a==0){ cout<<0; return; } else{ cout<<(double)(a/100)*(double)b; } } signed main() { tez int test_case=1; //cin>>test_case; for(int i=1;i<=test_case;i++) { solve(); } }
#include <bits/stdc++.h> using namespace std; using ll = long long; const int N = 5e5 + 5; int main() { ios :: sync_with_stdio(0), cin.tie(0); ll s, p; cin >> s >> p; for (ll i = 2; i * i <= p; ++i) { if (p % i == 0) { if (i + (p / i) == s) { cout << "Yes"; return 0; } } } if (p + 1 == s) { cout << "Yes"; } else { cout << "No"; } return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int n,w; cin>>n>>w; cout<<n/w; }
#include <bits/stdc++.h> using namespace std; int main(){ int n,x; cin >> n>> x; vector<char>s(n); for(int i=0;i<n;i++){ cin >> s.at(i); } for(int i=0;i<n;i++){ if(s.at(i)=='o'){ x++; } else{ if(x>0) x--; } } cout<<x; }
#include <bits/stdc++.h> using namespace std; // input #define INIT std::ios::sync_with_stdio(false);std::cin.tie(0); #define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__); // __VA_ARGS__可変引数マクロ template<typename T> void MACRO_VAR_Scan(T& t) { std::cin >> t; } template<typename First, typename...Rest>void MACRO_VAR_Scan(First& first, Rest& ...rest) { std::cin >> first; MACRO_VAR_Scan(rest...); } #define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i; #define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& R:c)for(auto& w:R)std::cin>>w; // output template<typename T>void MACRO_OUT(const T t) { std::cout << t; } template<typename First, typename...Rest>void MACRO_OUT(const First first, const Rest...rest) { std::cout << first << " "; MACRO_OUT(rest...); } #define OUT(...) MACRO_OUT(__VA_ARGS__); #define FOUT(n, dist) std::cout<<std::fixed<<std::setprecision(n)<<(dist); // std::fixed 浮動小数点の書式 / setprecision 浮動小数点数を出力する精度を設定する。 #define SP std::cout<<" "; #define TAB std::cout<<"\t"; #define BR std::cout<<"\n"; #define SPBR(w, n) std::cout<<(w + 1 == n ? '\n' : ' '); #define ENDL std::cout<<std::endl; #define FLUSH std::cout<<std::flush; // utility #define ALL(a) (a).begin(),(a).end() #define REP(w, n) for(int w=0;w<int(n);++w) #define IN(a, x, b) (a<=x && x<b) template<class T> inline T CHMAX(T & a, const T b) { return a = (a < b) ? b : a; } template<class T> inline T CHMIN(T& a, const T b) { return a = (a > b) ? b : a; } template<class T> using V = std::vector<T>; template<class T> using VV = V<V<T>>; using ll = long long; using ull = unsigned long long; using ld = long double; using PAIR = std::pair<int, int>; using PAIRLL = std::pair<ll, ll>; constexpr int INFINT = (1 << 30) - 1; // 1.07x10^ 9 constexpr int INFINT_LIM = (1LL << 31) - 1; // 2.15x10^ 9 constexpr ll INFLL = 1LL << 60; // 1.15x10^18 constexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62); // 9.22x10^18 constexpr double eps = 1e-7; constexpr int MOD = 1000000007; constexpr double PI = 3.141592653589793238462643383279; template<class T, size_t N> void FILL(T(&a)[N], const T & val) { for (auto& x : a) x = val; } // int a[5] = {1,2,3,4,5}; FILL(a,10); template<class ARY, size_t N, size_t M, class T> void FILL(ARY(&a)[N][M], const T & val) { for (auto& b : a) FILL(b, val); } // 2次元配列でもそのまま使える template<class T> void FILL(std::vector<T> & a, const T & val) { for (auto& x : a) x = val; } // 使い方 vector<int> a(3); FILL(a,10); template<class ARY, class T> void FILL(std::vector<std::vector<ARY>> & a, const T & val) { for (auto& b : a) FILL(b, val); } // 2次元配列でもそのまま使える // ------------>8------------------------------------->8------------ int main() { INIT; VAR(int,n,x) VAR(string,s) REP(i,n){ if (s[i] == 'x') { x -= 1; if (x<0) { x = 0; } } else { x += 1; } } OUT(x) return 0; }
#include <bits/stdc++.h> using namespace std; using pii = pair<int, int>; // <value, weight> int main() { bool box_state[50]; int n, m, q; cin >> n >> m >> q; vector<pii> ni; vector<pii> ni_copy; for (int i = 0; i < n; i++) { int w, v; cin >> w >> v; ni.push_back(make_pair(v, w)); ni_copy.push_back(make_pair(v, w)); } sort(ni.begin(), ni.end()); // 後ろ(大きいほう)から出していく sort(ni_copy.begin(), ni_copy.end()); vector<int> box_size_tmp(m), box_size; for (int& e : box_size_tmp) cin >> e; for (int k = 0; k < q; k++) { int from, to; cin >> from >> to; // 初期化部分 for (int j = 0; j < 50; j++) box_state[j] = true; for (int j = from - 1; j < to; j++) { box_state[j] = false; } box_size.clear(); ni.resize(ni_copy.size()); for (int j = 0; j < (int)ni_copy.size(); j++) ni[j] = ni_copy[j]; for (int j = 0; j < m; j++) { if (box_state[j]) box_size.push_back(box_size_tmp[j]); } sort(box_size.begin(), box_size.end()); int sum_value = 0; while (!ni.empty() && !box_size.empty()) { pii tmp = ni[(int)ni.size() - 1]; int value = tmp.first, weight = tmp.second; if (weight <= box_size[(int)box_size.size() - 1]) { for (int i = 0; i < (int)box_size.size(); i++) { if (box_size[i] >= weight) { sum_value += value; // cout << "a" << box_size.size() << "b" << endl; box_size.erase(box_size.begin() + i); break; } } } ni.pop_back(); } cout << sum_value << endl; } }
#include <bits/stdc++.h> #include <string> #define MAX 100007 #define scn1(a) scanf("%d", &a); #define scn2(a, b) scanf("%d %d", &a, &b); #define scn3(a, b, c) scanf("%d %d %d", &a, &b, &c); #define lscn1(a) scanf("%lli", &a); #define lscn2(a, b) scanf("%lli %lli", &a, &b); #define lscn3(a, b, c) scanf("%lli %lli %lli", &a, &b, &c); #define prnt(a) printf("%d\n", a); #define forr(i, a, n) for(int i=a;i<n;i++) #define nl puts(""); #define PB push_back #define enl cout << "\n"; #define CHK(a) cout << (#a) << " = " << (a) << endl; typedef long long int ll; using namespace std; void arraychk(int a[],int n) {for(int i=0;i<n;i++)cout<<a[i]<<" ";enl;} #define LOOPCHK(a, n) arraychk(a, n); int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll tt=1; // cin >> tt; for(int cse=1; cse<=tt; cse++) { int n=0, x=0, y=0, ans=0, sum=0; cin >> n; double a[n], b[n]; forr(i, 0, n) cin >> a[i] >> b[i]; forr(i, 0, n) { forr(j, i+1, n) { if( ((b[j]-b[i])/(a[j]-a[i]))<=1 && ((b[j]-b[i])/(a[j]-a[i]))>=-1 ) { ans++; } } } // cout << "Case " << cse << ":"; cout << ans << endl; } return 0; }
#include<bits/stdc++.h> #define pii pair<int,int> #define fi first #define se second #define int long long using namespace std; const int mx=1e6+5; inline int read() { int x=0,f=1; char c=getchar(); while(c<'0'||c>'9') {if(c=='-') f=-1;c=getchar();} while(c>='0'&&c<='9') {x=(x<<1)+(x<<3)+c-'0';c=getchar();} return x*f; } int L,R,res; int prime[mx],phi[mx],c[mx],num,cnt,tot; void write(int x) { if(x<10) { putchar(x+'0'); return; } write(x/10); putchar(x%10+'0'); } void dfs(int x,int mul,int f,int m) { if(mul>m) return; if(x>num) { tot+=(m/mul)*f; return; } dfs(x+1,mul,f,m); dfs(x+1,mul*c[x],(f==1)?-1:1,m); } int solve(int n,int m) { if(n>m) swap(n,m); int sum=0; for(int i=2;i<=n;i++) { num=0; int tmp=i; for(int j=1;j<=cnt&&prime[j]<=sqrt(tmp);j++) { if(tmp%prime[j]==0) { c[++num]=prime[j]; while(tmp%prime[j]==0) tmp/=prime[j]; } } if(tmp>1) c[++num]=tmp; tot=0; for(int j=1;j<=num;j++) dfs(j+1,c[j],1,m); sum+=tot; } for(int i=2;i<=n;i++) { sum-=m/i; } for(int i=2;i<=m;i++) { sum-=n/i; } // printf("%lld %lld %lld\n",n,m,sum+n); return sum+(n-1); } signed main() { L=read(),R=read(); for(int i=2;i<=R;i++) { if(!phi[i]) prime[++cnt]=i,phi[i]=i-1; for(int j=1;j<=cnt&&i*prime[j]<=R;j++) { if(i%prime[j]==0) { phi[i*prime[j]]=phi[i]*prime[j]; } else { phi[i*prime[j]]=phi[i]*(prime[j]-1); } } } if(L==1) { res=solve(R,R); } else { res=solve(R,R)-2*solve(L-1,R)+solve(L-1,L-1); } write(res); }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(long long i=0; i<(long long)(n);i++) //rep…「0からn-1まで」の繰り返し #define rep2(i,s,n) for(long long i=s; i<=(long long)(n);i++) //rep2…「sからnまで」の繰り返し #define repr(i,s,n) for(long long i=s;i>=(long long)(n);i--) //repr…「sからnまで」の降順の繰り返し typedef long long ll; const int inf = 1e9+7; const int mod = 1e9+7; int main() { int h,w; cin>>h>>w; vector<string>s(h); rep(i,h)cin>>s[i]; int cnt=0; rep(i,h){ rep2(j,0,w-2){ if(s[i][j]=='.'&&s[i][j+1]=='.'){ cnt++; } } } rep(i,w){ rep2(j,0,h-2){ if(s[j][i]=='.'&&s[j+1][i]=='.'){ cnt++; } } } cout<<cnt<<endl; }
#include <bits/stdc++.h> using namespace std; #define endl "\n" #define pb push_back #define ll long long #define int ll #define mod 1000000007 #define DEBUG cout<<"Hello1\n"; #define all(v) (v).begin(),(v).end() #define deb(...) debug(#__VA_ARGS__, __VA_ARGS__); const int N = 1e6 + 5; const ll inf = 1e18 + 5; typedef pair<int, int> pii; void fileIO(); template<class T> void print_container(T &container); template<class T> void print_pair_container(T &container); template<class T> void printArr(T &a, int n); template<typename T> void debug(string s, T x); template<typename T, typename... Args> void debug(string s, T x, Args... args); int n, m; void solve(int tc = 0) { cin >> n; if (n % 2) { cout << "Odd\n"; } else { if ((n / 2) % 2 == 0) { cout << "Even\n"; } else { cout << "Same\n"; } } } int32_t main() { fileIO(); int t = 1; cin >> t; for (int i = 1; i <= t; i++) solve(); return 0; } void fileIO() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); } template<typename T> void debug(string s, T x) { cout << s << " = " << x << "\n"; } template<typename T, typename... Args> void debug(string s, T x, Args... args) { cout << s.substr(0, s.find(',')) << " = " << x << " | "; debug(s.substr(s.find(',') + 2), args...); } template<class T> void print_container(T &container) { for (auto &t : container) { cout << t << " "; } cout << endl; } template<class T> void print_pair_container(T &container) { for (auto &t : container) { cout << t.first << " " << t.second << endl; } cout << endl; } template<class T> void printArr(T &a, int n) { for (int i = 0; i < n; i++) { cout << a[i] << " "; } cout << endl; }
#define _CRT_SECURE_NO_WARNINGS #define fast ios::sync_with_stdio(false); cin.tie(0) #define foru(i, k, n) for (ll i = k; i < n; i++) #define ford(i, k, n) for (ll i = k; i >= n; i--) #define pb push_back #define ff first #define ss second #include <iostream> #include <vector> #include <algorithm> #include <string> #include <list> #include <queue> #include <bitset> #include <map> using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pii; typedef pair<ll, ll> pll; int main() { fast; int t; cin >> t; while (t--) { ll n; cin >> n; int cnt = 0; while (n % 2 == 0) { n /= 2; cnt++; } if (cnt == 0)cout << "Odd\n"; else if (cnt == 1)cout << "Same\n"; else cout << "Even\n"; } return 0; }
#include <bits/stdc++.h> typedef long long ll; typedef long double ld; #define fr(i, a, b) for (ll i = a; i < b; i++) #define rf(i, a, b) for (ll i = a; i >= b; i--) typedef std::vector<long long> vi; #define F first #define S second #define fast \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define mod 1000000007 #define PB push_back #define MP make_pair #define PI 3.14159265358979323846 #define all(a) a.begin(), a.end() #define mx(a) *max_element(all(a)) #define mn(a) *min_element(all(a)) const ll INF = LLONG_MAX / 2; const ll N = 2e5 + 1; using namespace std; ll n, maxid = 0, m; ll pow1(ll n, ll p) { if (p == 0) return 1; ll x = pow1(n, p / 2); if (x > m || x >= 1000000001) return INF; x = (x * x); if (x > m) return INF; if (p % 2 == 0) return x; else { if (x * n > m) return INF; return (x * n); } } string x; bool check(ll k) { ll j = 0, ans = 0; rf(i, n - 1, 0) { if (pow1(k, j) == INF) return false; if (pow1(k, j) + ans > m || ans > m) return false; ans += (pow1(k, j) * ((ll)(x[i] - '0'))); j++; } if (ans > m) return false; return true; } int main() { fast; ll t = 1; // std::cin >> t; while (t--) { cin >> x; n = x.length(); cin >> m; if (x.length() == 1) { ll c = x[0] - '0'; if (m < c) cout << 0 << "\n"; else cout << 1 << "\n"; continue; } fr(i, 0, n) maxid = max(maxid, (ll)(x[i] - '0')); ll l = maxid + 1, r = m + 1; // cout << l << "\n"; // cout << maxid << "\n"; while (l <= r) { ll mid = (l + r) / 2; if (check(mid)) { l = mid + 1; } else { r = mid - 1; } } cout << l - 1 - maxid << "\n"; } }
#include <bits/stdc++.h> using namespace std; typedef unsigned long long ull; typedef __int128 ll; string x; ull m; bool check(ull mid) { ll ans=0; int flag=1; for(int i=0;i<x.size();i++) { ans=ans*mid+ll(x[i]-'0'); if(ans>m) { flag=0; break; } } return flag; } int main() { char c='0'; cin>>x>>m; for(int i=0;i<x.size();i++) { c=max(c,x[i]); } ull t=c-'0'; if(x.size()==1) { if(t<=m) cout<<1<<endl; else cout<<0<<endl; } else { ull l=0,r=1e18; while(l<r) { ull mid=(l+r+1)>>1; if(check(mid)) l=mid; else r=mid-1; } if(l<t) cout<<0<<endl; else cout<<l-t<<endl; } return 0; }
#include <bits/stdc++.h> using namespace std; #define fast ios::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define ll long long #define ull unsigned long long #define pb push_back #define pii pair<int,int> #define pll pair<long,long> #define vi vector<int> #define vll vector<ll> #define vii vector<pii> #define Mi map<int,int> #define mii map<pii,int> #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(),(a).rend() #define ff first #define ss second #define sz(x) (int)x.size() //#define endl '\n' #define mod 1000000007 //#define mod 998244353 #define rep(i,a,b) for(int i=a;i<b;i++) #define rem(i,a,b) for(int i=a;i>b;i--) #define mp(a,b) make_pair(a,b) #define INF numeric_limits<ll>::max(); #define NINF numeric_limits<ll>::min(); #define vvi(a,b,name) vector<vector<int>> name(a,vector<int>(b,-1)) const long double pi=3.14159265359; inline ll add(ll a, ll b, ll m) { if ((a + b) >= m) return (a + b) % m; return a + b; } inline ll mul(ll a, ll b, ll m) { if ((a * b) < m) return a * b; return (a * b) % m; } ll power(ll x, ll y, ll m) { ll res = 1; x = x % m; if (x == 0) return 0; while (y > 0) { if (y & 1) res = (res * x) % m; y = y >> 1; x = (x * x) % m; } return res; } ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); } int main() {fast; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); #endif int t=1,n; //cin>>t; while(t--) {cin>>n; string a,b; cin>>a>>b; queue<int> q1,q2; rep(i,0,n){ if(a[i]=='0'){ q1.push(i); } else{ q2.push(i); } } int zero=0,one=0; rep(i,0,n){ if(b[i]=='0') zero++; else one++; } if(zero!=q1.size()||one!=q2.size()){ cout<<-1<<endl; continue; } int ans=0; int i=n-1; while(i>=0){ if(a[i]==b[i]){ i--; continue; } if(a[i]=='1'){ int j=i; while(a[j]!='0'){ j--; } swap(a[i],a[j]); i--; } else{ int k=i; while(b[k]!='0'){ k--; } swap(b[i],b[k]); i--; } //cout<<i<<" "<<a<<" "<<b<<endl; ans++; } cout<<ans<<endl; } return 0; }
#include <bits/stdc++.h> #define int long long using namespace std; #ifdef LOCAL #include "/media/brayand/BrayanD/debugger.h" #else #define db(...) false #define dbl(...) false #define dbg(...) false #define dbm(...) false #define dbs(...) false #define dbas(...) false #endif int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); int N; cin >> N; string A, B; cin >> A >> B; vector<int> v1, v2; for(int i = 0 ; i < N ; i++) { if(A[i] == '1') { v1.push_back(i); } if(B[i] == '1') { v2.push_back(i); } } if(v1.size() != v2.size()) { cout << -1 << '\n'; return 0; } int tam = v1.size(); int res = 0; for(int i = 0 ; i < tam ; i++) { if(v1[i] == v2[i])continue; if(v1[i] < v2[i]) { if(i != tam-1) { if(v1[i+1] <= v2[i]) { // db(1); res += v1[i+1]-v1[i]-1; } else { res += v2[i]-v1[i]; } } else { res += v2[i]-v1[i]; } } if(v1[i] > v2[i]) { if(i != 0) { if(v1[i-1] >= v2[i]) { res += v1[i]-v1[i-1]-1; } else { res += v1[i]-v2[i]; } } else { res += v1[i]-v2[i]; } } } cout << res << '\n'; return 0; }
#include<bits/stdc++.h> // 54 71 "Baklol, Take it easy" using namespace std; using ll = long long int; using ld = long double; #define rep(x, k, n) for(int x = (k); x <= (n); ++x) #define rept(x, k, n) for(int x = (k); x < (n); ++x) #define repr(x, k, n) for(int x = (k); x >= (n); --x) #define pb push_back #define siz(x) ((int)(x).size()) #define o2(x) ((x) * (x)) #define all(x) (x).begin(), (x).end() #define clr(x, k) memset(x, k, sizeof(x)) // 0, -1 #define printv(v, k, n) rep(i, k, n) cout << v[i] << " \n"[i==n]; #define print2dv(V,k,n,m) rep(j, k, n) printv(V[j], k, m); #define out(x) cout << ((x) ? "Yes" : "No") << '\n' #define setbits(x) __builtin_popcountll(x) #define inf INT_MAX #define ninf INT_MIN #define int long long // "be carefull" typedef vector<int> vi; typedef pair<int, int> pii; template <typename Arg1> void debug_out(const char* name, Arg1&& arg1){ cerr << name << " = " << arg1 << " ]" << "\n"; } template <typename Arg1, typename... Args> void debug_out(const char* names, Arg1&& arg1, Args&&... args){ const char* comma = strchr(names + 1, ','); cerr.write(names, comma - names) << " = " << arg1 << ","; debug_out(comma+1, args...); } #ifndef ONLINE_JUDGE #define deb(...) cerr << "[ ", debug_out(#__VA_ARGS__, __VA_ARGS__) #define debv(v, k, n) rep(i, k, n) cerr << v[i] << " \n"[i==n]; #define deb2dv(V, k, n, m) rep(j, k, n) debv(V[j], k, m); #define line rep(i, 0, 50){ cerr << '-'; } cerr << '\n' #else #define deb(...) #define debv(v, k, n) #define deb2dv(V, k, n, m) #define line #endif const int mod = 1e9 + 7; // 998244353; const int N = 2e5 + 5, M = 2e5 + 5; /*/------------------------------ CODE BEGINS ------------------------------/*/ int k; void Solve_main() { cin >> k; int res = 0; rep(a, 1, N){ if(a > k) break; rep(b, 1, N){ if((a * b) > k) break; rep(c, 1, N){ if((a * b * c) > k) break; res++; } } } cout << res << '\n'; } /*/------------------------------- CODE ENDS -------------------------------/*/ int32_t main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); srand(chrono::high_resolution_clock::now().time_since_epoch().count()); // cout << setprecision(12) << fixed; int tc = 1; // cin >> tc; for(int i = 1; i <= tc; i++) { Solve_main(); // BRUTE_FORCE(); } cerr << "[time:" << 1.0*clock()/CLOCKS_PER_SEC << "s] "; return 0; } /* -> edge cases, n = 1 ? -> Submit - right file. -> Move on - if completely_stuck > 30 minute. -> entire input - multiple testcases. -> time complexity - 1 sec : 4e8 will work but risky. -> space complexity - 256 mb : 6e7(int), 3e7(ll), 2e8(bool, char), will work. -> mod : sort ?, mint, remove #define int. -> builtin fuction - add ll. -> Iterative > Recursive. -> clear - global variables. */
#include <iostream> #include <string> #include <algorithm> #include <functional> #include <vector> #include <stack> #include <queue> #include <set> #include <map> #include <tuple> #include <cstdio> #include <cmath> #define rep(i, n) for(i = 0; i < n; i++) #define int long long using namespace std; int n; int a[200000]; signed main() { int i; cin >> n; rep(i, n) cin >> a[i]; int asum = 0, amax = 0; int res1 = 0; rep(i, n) { asum += a[i]; amax = max(amax, a[i]); res1 += asum; int ans = res1 + (i + 1) * amax; cout << ans << endl; } return 0; }
const bool isDebugMode = true; int testcase = 1; #include <bits/stdc++.h> #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using namespace std; typedef long long ll; typedef pair<long long, long long> P; struct edge{long long to,cost;}; const int inf = 1 << 27; const long long INF = 1LL << 60; const int COMBMAX = 1001001; const int SHOWSIZE = 1 << 5; const long long MOD = 1000000007; //998244353; const long long dy[] = {-1, 0, 0, 1}; const long long dx[] = {0, -1, 1, 0}; const string abc = "abcdefghijklmnopqrstuvwxyz"; #define rep(i, n) for(int i = 0; i < (n); ++i) #define eachdo(v, e) for (const auto &e : (v)) #define all(v) (v).begin(), (v).end() #define lower_index(v, e) (long long)distance((v).begin(), lower_bound((v).begin(), (v).end(), e)) #define upper_index(v, e) (long long)distance((v).begin(), upper_bound((v).begin(), (v).end(), e)) #define max(a, b) ((a) > (b) ? (a) : (b)) #define min(a, b) ((a) < (b) ? (a) : (b)) long long mpow(long long a, long long n, long long mod = MOD){long long res = 1; while(n > 0){if(n & 1)res = res * a % mod; a = a * a % mod; n >>= 1;} return res;} long long power(long long a, long long n){long long res = 1; while(n > 0){if(n & 1)res = res * a; a = a * a; n >>= 1;} return res;} void pt(){cout << endl; return;} template<class Head> void pt(Head&& head){cout << head; pt(); return;} template<class Head, class... Tail> void pt(Head&& head, Tail&&... tail){cout << head << " "; pt(forward<Tail>(tail)...);} void dpt(){if(!isDebugMode) return; cout << endl; return;} template<class Head> void dpt(Head&& head){if(!isDebugMode) return; cout << head; pt(); return;} template<class Head, class... Tail> void dpt(Head&& head, Tail&&... tail){if(!isDebugMode) return; cout << head << " "; pt(forward<Tail>(tail)...);} template<class T> void enu(T v){rep(i, v.size()) cout << v[i] << " " ; cout << endl;} template<class T> void enu2(T v){rep(i, v.size()){rep(j, v[i].size()) cout << v[i][j] << " " ; cout << endl;}} template<class T> void debug(T v){if(!isDebugMode) return; rep(i, min(v.size(), SHOWSIZE)) cout << v[i] << " " ; cout << endl;} template<class T> void debug2(T v){if(!isDebugMode) return; rep(i, min(v.size(), SHOWSIZE)){rep(j, min(v[i].size(), SHOWSIZE)) cout << v[i][j] << " " ; cout << endl;}} 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;} template<class T1, class T2> long long recgcd(T1 a, T2 b){return a % b ? recgcd(b, a % b) : b;} template<typename T> vector<T> make_v(size_t a){return vector<T>(a);} template<typename T,typename... Ts> auto make_v(size_t a,Ts... ts){return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...));} template <typename T, typename U, typename... V> typename enable_if<is_same<T, U>::value != 0>::type fill_v(U &u, const V... v) { u = U(v...); } template <typename T, typename U, typename... V> typename enable_if<is_same<T, U>::value == 0>::type fill_v(U &u, const V... v){for (auto &e : u) fill_v<T>(e, v...);} bool valid(long long H, long long W, long long h, long long w) { return 0 <= h && h < H && 0 <= w && w < W; } void solve(); int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); cin >> testcase; while(testcase--) solve(); return 0; } void solve(){ ll L, R; cin >> L >> R; if(R < 2 * L) pt(0); else pt((R - 2 * L + 1) * (R - 2 * L + 2) / 2); }
#include <bits/stdc++.h> #include <cstdio> #include <cstring> #include <cmath> #include <cstring> #include <chrono> #include <complex> #define endl "\n" #define ll long long int #define vi vector<int> #define vll vector<ll> #define vvi vector < vi > #define pii pair<int,int> #define pll pair<long long, long long> #define mod 1000000007 #define inf 1000000000000000001; #define all(c) c.begin(),c.end() #define mp(x,y) make_pair(x,y) #define mem(a,val) memset(a,val,sizeof(a)) #define eb emplace_back #define f first #define s second using namespace std; vector<ll> solve(ll t, vector<ll> l, vector<ll> r) { vector<ll> res(t); for(ll i = 0ll; i < t; i++) { ll count = max(r[i] - 2ll * l[i] + 1ll, 0ll); res[i] = count * (count + 1ll) / 2ll; } return res; } int main() { std::ios::sync_with_stdio(false); ll t; cin >> t; vector<ll> l(t), r(t); for(int i = 0; i < t; i++) { cin >> l[i] >> r[i]; } vector<ll> res = solve(t, l, r); for(ll i=0ll;i<t; i++) { cout << res[i] << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int N,M; int x,y; string A[800]; int score[800]={0}; char dna[20][20]; cin >> N >> M; for(int i=0; i<M; i++) { string a; cin >> a; bool iscontain=false; int conv=0; int convj=0; for( int j=0; j<i; j++) if(A[j].find(a)!=string::npos) { iscontain=true; if(score[j]>conv) { conv=score[j]; convj=j; } break; } if(iscontain!=true) { A[i]=a; score[i]++; } else { score[convj]++; A[i]=""; } } bool convine=true; while(convine) { convine=false; for(int i=0; i<M; i++) { if(A[i].size()>2){ string b=A[i].substr(A[i].size()-2); for(int j=0; j<M; j++) { if( i==j ) continue; if( A[j][0]==b[0] && A[j][1]==b[1] ){ if( A[i].size()+A[j].size()-2 <= N) { A[i] = A[i] + A[j].substr(2); A[j] =""; score[i]+=score[j]; score[j]=0; convine=true; break; } } } } } } convine=true; while(convine) { convine=false; for(int i=0; i<M; i++) { if(A[i].size()>2 && A[i].size()<N){ for(int j=0; j<M; j++) { if( i==j ) continue; if( (A[j].size() > 2) && ((A[i].size()+A[j].size()) <= N) ){ A[i] = A[i] + A[j]; A[j] =""; score[i]+=score[j]; score[j]=0; convine=true; break; } } } } } for(int i=0; i<M; i++){ int max=score[i]; int maxj=i; for(int j=i; j<M; j++){ if(score[j]>max) { max=score[j]; maxj=j; } } if( i!=maxj){ string tmp; tmp=A[maxj]; A[maxj]=A[i]; A[i]=tmp; int ti=score[maxj]; score[maxj]=score[i]; score[i]=ti; } } for(int i=0; i<N; i++) { if(A[i].size() < 20) A[i]+="...................."; } for(int i=0; i<N; i++) { cout << A[i].substr(0,20) << endl; } };
#include <iostream> #include <cmath> #include <vector> int main(void) { size_t N, M; std::cin >> N >> M; std::vector<int> A(M); std::vector<int> B(M); for (size_t i = 0; i < M; i++) { std::cin >> A[i] >> B[i]; } size_t K; std::cin >> K; std::vector<int> C(K); std::vector<int> D(K); for (size_t i = 0; i < K; i++) { std::cin >> C[i] >> D[i]; } int count = 0; size_t KK = (size_t)std::pow(2, K); for (size_t j = 0; j < KK; ++j) { bool n[N+1] = {}; for (size_t i = 0; i < K; i++) { n[j&(1<<i) ? C[i] : D[i]] = true; } int c = 0; for (size_t i = 0; i < M; i++) { if (n[A[i]] && n[B[i]]) { c++; } } count = std::max(count, c); } std::cout << count; return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(ll i=0;i<n;i++) #define repl(i,l,r) for(ll i=(l);i<(r);i++) #define per(i,n) for(ll i=n-1;i>=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define mkp make_pair #define ins insert #define pqueue(x) priority_queue<x,vector<x>,greater<x>> #define all(x) (x).begin(),(x).end() #define CST(x) cout<<fixed<<setprecision(x) #define vtpl(x,y,z) vector<tuple<x,y,z>> #define rev(x) reverse(x); #define lin(x) ll x; cin>>x; #define stin(x) string x; cin>>x; #define yn(x) if(x) { cout<<"Yes"<<endl; } else { cout<<"No"<<endl; } #define YN(x) if(x) { cout<<"YES"<<endl; } else { cout<<"NO"<<endl; } #define co(x) cout<<x<<endl; using ll=long long; using ld=long double; using vl=vector<ll>; using vvl=vector<vector<ll>>; using pl=pair<ll,ll>; using vpl=vector<pl>; using vvpl=vector<vpl>; const ll mod=998244353; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[8]={1,0,-1,0,1,1,-1,-1}; const ll dx[8]={0,-1,0,1,1,-1,1,-1}; template <typename T> inline bool chmax(T &a, T b) { return ((a < b) ? (a = b, true) : (false)); } template <typename T> inline bool chmin(T &a, T b) { return ((a > b) ? (a = b, true) : (false)); } ll powmod(ll n, ll k, ll m) { ll r=1; for(; k>0; k >>=1) { if(k&1) r=(r*n)%m; n=(n*n)%m; } return r; } ll fact(ll n) { ll a=1; rep(i,n) { a=a*(n-i); } return a; } ll pow(ll a, ll b) { ll x=1; rep(i,b) { x=x*a; } return x; } 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 { return mint(*this) += a;} mint operator-(const mint a) const { return mint(*this) -= a;} mint operator*(const mint a) const { return mint(*this) *= 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 { 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;} int main() { mint A; cin>>A; mint B; cin>>B; mint C; cin>>C; mint x=1; x=A*(A+1)*B*(B+1)*C*(C+1); x=x/8; co(x); }
#include <iostream> #include <algorithm> #include <vector> #include <array> #include <queue> #include <map> #include <set> #include <string> #include <fstream> using namespace std; #define LL long long LL a = 0, b = 0, c = 0, d = 0, e = 0, f = 0, n = 0, m = 0, x = 0, y = 0; string s; vector<LL> v; array<array<bool, 100005>, 105> dp; struct Data { }; LL all = 0; int main(void) { cin >> n; v.resize(n); for (auto& i : v) { cin >> i; all += i; } dp[0][0] = true; dp[0][v[0]] = true; for (int i = 1; i < n; i++) { for (int j = 0; j < all; j++) { if (dp[i - 1][j]) { dp[i][j] = true; dp[i][j + v[i]] = true; } } } int ans = all; for (int i = (all + 1) / 2; i <= all; i++) { if (dp[n - 1][i]) { cout << i; return 0; } } return 0; }
#include"iostream" #include"cstdio" #include"cmath" #include"cstring" #include"algorithm" #include"stack" #include"queue" using namespace std; #define read(x) scanf("%d",&x) #define readl(x) scanf("%lld",&x) #define ll long long #define ull unsigned long long #define MOD 998244353 #define MAXN 15 int n; ll k; ll e[MAXN][MAXN]; int f[MAXN]; int ans=0; int main() { read(n),readl(k); for(int i=1;i<=n;i++) { for(int j=1;j<=n;j++) readl(e[i][j]); f[i]=i; } do { int lst=1; ll now=0; for(int i=2;i<=n;i++) { now+=e[lst][f[i]]; lst=f[i]; } now+=e[lst][1]; if(now==k) ans++; }while(next_permutation(f+2,f+n+1)); printf("%d\n",ans); return 0; }
#include <iostream> #include <algorithm> #include <string> #include <complex> #include <vector> #include <set> #include <cmath> #include <queue> #include <map> #include <stack> #include <bitset> #include <numeric> //lcm #include <iomanip> //double精度 setprecision //#include <atcoder/all> using namespace std; //using namespace atcoder; #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = n-1; i >= 0; --i) #define rep1(i,n) for(int i = 1; i <= (n); ++i) #define rrep1(i,n) for(int i = (n); i >= 1; --i) #define REP(i,n,m) for(int i = (n); i < (m); ++i) #define all(vec) (vec).begin(),(vec).end() #define debug(vec) for(auto v : vec) cerr << v << " "; cerr << endl; #define debug2D(vec2D, w) for(auto vec : vec2D) { for (auto v : vec) cerr << setw(w) << v << " "; cerr << endl; } #define debugP(vec) for(auto v : vec) cerr << "(" << v.first << "," << v.second << ") "; cerr << endl; #define debug2DP(vec2D) for(auto vec : vec2D) { for (auto v : vec) cerr << "(" << v.first << "," << v.second << ") "; cerr << endl; } typedef long long ll; template<class T> using vvec = vector<vector<T>>; template<class T> using vvvec = vector<vvec<T>>; constexpr ll INF = 1e14; //32 ~2*10^10 //64 ~9*10^19 //const ll MOD = 998244353; constexpr ll MOD = 1000000007; constexpr double EPS = 1e-6; struct Edge { Edge(int _s, int _t, ll f, ll _cost = 1) : from(_s), to(_t), cost(_cost), fee(f) {}; int from, to; ll cost; ll fee; }; typedef vector<vector<Edge>> Graph; void add_edge(Graph& g, int from, int to, ll fee, ll cost = 1) { g[from].push_back(Edge(from, to, fee, cost)); } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } else return false; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } else return false; } //int dx[4] = {0,1,0,-1}, dy[4] = {1,0,-1,0}; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); ll h,w; cin >> h >> w; vector<string> s(h); rep(i,h) cin >> s[i]; ll ans = 0; rep(i, h) rep(j, w) { if (s[i][j] == '.') { if (i+1 < h && s[i+1][j] == '.') ++ans; if (j + 1 < w && s[i][j+1] == '.') ++ans; } } cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; const long long mod = 998244353; long long n , a [200005] , num , did [200005] , f = 1; set < pair < int , int > > s; vector < int > v; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); //freopen(".in","r",stdin); //freopen(".out","w",stdout); cin >> n; for ( int i = 1 ; i <= n ; i ++ ) { cin >> a [i]; s . insert ( { a [i] , i } ); } while ( s . size () ) { pair < int , int > p = * -- s . end (); s . erase ( -- s . end () ); int x = p . first , y = p . second; if ( x == y ) continue; num ++; if ( x > y ) { if ( did [y] ) { f = 0; break; } did [y] = 1; s . erase ( s . lower_bound ( { a [ y + 1 ] , y + 1 } ) ); swap ( a [y] , a [ y + 1 ] ); s . insert ( { a [y] , y } ); s . insert ( { a [ y + 1 ] , y + 1 } ); v . push_back ( y ); } else { if ( did [ y - 1 ] ) { f = 0; break; } did [ y - 1 ] = 1; s . erase ( s . lower_bound ( { a [ y - 1 ] , y - 1 } ) ); swap ( a [y] , a [ y - 1 ] ); s . insert ( { a [y] , y } ); s . insert ( { a [ y - 1 ] , y - 1 } ); v . push_back ( y - 1 ); } } if ( f == 0 ) { cout << -1; return 0; } if ( v . size () == n - 1 ) for ( int i = 0 ; i < v . size () ; i ++ ) cout << v [i] << endl; else cout << -1; }
#include <bits/stdc++.h> using namespace std; #define F first #define S second #define R cin>> #define ll long long #define ln cout<<'\n' #define in(a) insert(a) #define pb(a) push_back(a) #define pd(a) printf("%.10f\n",a) #define mem(a) memset(a,0,sizeof(a)) #define all(c) (c).begin(),(c).end() #define iter(c) __typeof((c).begin()) #define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--) #define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++) #define rep(i,n) REP(i,0,n) #define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++) ll check(ll n,ll m,ll x,ll y){return x>=0&&x<n&&y>=0&&y<m;}void pr(){ln;} template<class A,class...B>void pr(const A &a,const B&...b){cout<<a<<(sizeof...(b)?" ":"");pr(b...);} template<class A>void PR(A a,ll n){rep(i,n)cout<<(i?" ":"")<<a[i];ln;} const ll MAX=1e9+7,MAXL=1LL<<61,dx[8]={-1,0,1,0,-1,-1,1,1},dy[8]={0,1,0,-1,-1,1,1,-1}; typedef pair<ll,ll> P; class BIT{ public: ll n,bit[555555]; BIT(){fill(bit,bit+555555,0);} void add(ll i,ll x){ while(i<=n){ bit[i]+=x; i+=i&-i; } } ll sum(ll i){ ll s=0; while(i>0){ s+=bit[i]; i-=i&-i; } return s; } }; BIT b=BIT(); void Main() { ll n; R n; vector<ll> a(n); rep(i,n) R a[i]; { b.n=n+1; ll ans=0; rep(i,n) { b.add(a[i],1); ans+=b.sum(n+1)-b.sum(a[i]); } if(ans!=n-1) { pr(-1); return; } } rep(i,n) a[i]--; ll c[n]; rep(i,n) c[a[i]]=i; vector<ll> v; rep(i,n) { while(c[i]!=i) { v.pb(c[i]); ll x=a[c[i]],y=a[c[i]-1]; swap(a[c[i]],a[c[i]-1]); c[x]--; c[y]++; } } rep(i,v.size()) pr(v[i]); } int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}
#include<bits/stdc++.h> using namespace std; void solve(long long*arr1 , long long*arr2 , long long n) { long long sum = 0; for(int i = 0 ; i < n ; i++) { sum+=(arr1[i]*arr2[i]); } if(sum==0) {cout << "Yes" << endl;} else { cout << "No" << endl; } return; } int32_t main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long n; cin >> n; long long*arr = new long long[n]; long long*arrw = new long long[n]; for(int i = 0 ; i < n; i++) { cin >> arr[i]; } for(int i = 0 ; i < n; i++) { cin >> arrw[i]; } solve(arr,arrw ,n); return 0; }
#include <iostream> #include <vector> #include <algorithm> #include <string> #include <set> #include <queue> #include <map> #include <sstream> #include <cstdio> #include <cstring> #include <numeric> #include <cmath> #include <iomanip> #include <deque> #include <bitset> #include <cassert> #include <unordered_set> #include <unordered_map> #define ll long long #define ull unsigned long long #define pii pair<int, int> #define PLL pair<ll,ll> #define rep(i,a,b) for(int i=a;i<=b;i++) #define dec(i,a,b) for(int i=a;i>=b;i--) #define forn(i, n) for(int i = 0; i < int(n); i++) using namespace std; int dir[4][2] = { { 1,0 },{ 0,1 } ,{ 0,-1 },{ -1,0 } }; const long long INF = 0x7f7f7f7f7f7f7f7f; const int inf = 0x3f3f3f3f; const double pi = acos(-1.0); const double eps = 1e-6; inline ll read() { ll x = 0; bool f = true; char c = getchar(); while (c < '0' || c > '9') { if (c == '-') f = false; c = getchar(); } while (c >= '0' && c <= '9') x = (x << 1) + (x << 3) + (c ^ 48), c = getchar(); return f ? x : -x; } ll gcd(ll m, ll n) { return n == 0 ? m : gcd(n, m % n); } ll qpow(ll m, ll k, ll mod) { ll res = 1, t = m; while (k) { if (k & 1) res = res * t % mod; t = t * t % mod; k >>= 1; } return res; } /**********************************************************/ const ll mod = 998244353; const int N = 1e5 + 5; ll a[N], b[N]; int main() { #ifdef _DEBUG freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int n; cin >> n; rep(i, 1, n) cin >> a[i]; rep(i, 1, n) cin >> b[i]; ll ans = 0; rep(i, 1, n) ans += a[i] * b[i]; if (ans) cout << "No" << endl; else cout << "Yes" << endl; }
#include<cstdio> #include<cmath> #include<iostream> #include<algorithm> #include<queue> using namespace std; const int MOD=1000000007; long long int fie[28][3][200007]={{{0}}}; int giri[19]={0}; int hen(char a){ if(a<='9')return a-'0'; else return a-'A'+10; } int main(){ string N; cin>>N; int K; cin>>K; int s=hen(N[0]); fie[1][1][0]=1; fie[1][0][0]=s-1; fie[0][0][0]=1; giri[s]=1; /* for(int k=0;k<7;k++){ for(int i=0;i<17;i++){ for(int j=0;j<2;j++){ printf("[%d]",fie[i][j][k]); } puts(""); } puts("=============="); } */ for(int k=0;k<N.size()-1;k++){ int flg=1; //for(int l=0;l<=k;l++){ //if(N[l]==N[k+1])flg=0; if(giri[hen(N[k+1])]==1)flg=0; //} if(k!=N.size()-1){ giri[hen(N[k+1])]=1; } int girisyu=0; for(int i=0;i<16;i++){ if(giri[i]==1)girisyu++; } int giriikasyu=0; for(int l=hen(N[k+1])-1;0<=l;l--){ if(giri[l]==1)giriikasyu++; } for(int i=0;i<=16;i++){ for(int j=0;j<2;j++){ if(i!=0){ if(j==0){ fie[i][j][k+1]+=fie[i][j][k]*i; fie[i][j][k+1]%=MOD; fie[i+1][j][k+1]+=fie[i][j][k]*(16-i); fie[i+1][j][k+1]%=MOD; } else if(j==1){ fie[i][0][k+1]+=fie[i][j][k]*giriikasyu; fie[i][0][k+1]%=MOD; fie[i+1][0][k+1]+=fie[i][j][k]*((hen(N[k+1]))-giriikasyu); fie[i+1][0][k+1]%=MOD; if(flg==1){ fie[i+1][j][k+1]+=fie[i][j][k]; fie[i+1][j][k+1]%=MOD; } else{ fie[i][j][k+1]+=fie[i][j][k]; fie[i][j][k+1]%=MOD; } } } else if(i==0&&j==0){ fie[i][j][k+1]=1; fie[i][j][k+1]%=MOD; fie[i+1][j][k+1]+=fie[i][j][k]*15; fie[i+1][j][k+1]%=MOD; } } } } long long int ans=0; int pa=N.size()-1; for(int i=K;i<=K;i++){ for(int j=0;j<2;j++){ ans+=fie[i][j][pa]; ans%=MOD; } } cout<<ans<<endl; /* for(int k=0;k<7;k++){ for(int i=0;i<17;i++){ for(int j=0;j<2;j++){ printf("[%d]",fie[i][j][k]); } puts(""); } puts("=============="); } */ return 0; }
#include<bits/stdc++.h> using namespace std; const int mod=1e9+7; typedef long long ll; string num; int rn[200005]; int k; int n; int dp[200005][20]; ll dfs(int x,ll now,bool zero,bool flag) { int cnt=0; for(int i=0;i<16;i++) { if(now&(1<<i))cnt++; } if(x>=n)return cnt==k; if(cnt>k)return 0; if(!flag&&zero&&dp[x][cnt]!=-1)return dp[x][cnt]; ll ans=0; int lim=flag?rn[x]:15; for(int i=0;i<=lim;i++) { int tmp; if(!zero&&i==0)tmp=now; else tmp=now|(1<<i); ans+=dfs(x+1,tmp,zero||(i!=0),flag&&(i==lim)); ans%=mod; } if(!flag&&zero)dp[x][cnt]=ans; return ans; } int main() { cin>>num>>k; n=num.size(); memset(dp,-1,sizeof dp); for(int i=0;i<n;i++) { if(num[i]>='0'&&num[i]<='9')rn[i]=num[i]-'0'; else rn[i]=num[i]-'A'+10; } printf("%lld\n",dfs(0,0,0,1)); return 0; }
#include<bits/stdc++.h> using namespace std; int dist[1005][1005]; int A[1005],B[1005]; char C[1005]; vector<pair<int,int> > G[1005]; main(){ ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int N,M; cin>>N>>M; for(int i=0;i<M;i++){ cin>>A[i]>>B[i]>>C[i]; G[A[i]].push_back(make_pair(B[i],C[i])); G[B[i]].push_back(make_pair(A[i],C[i])); } for (int i = 1; i <= N; i++) { for (int j = 1; j <= N; j++) dist[i][j] = (1 << 29); } queue<pair<int,int > > Q; dist[1][N]=0; Q.emplace(1,N); while(Q.size()){ auto [pos1,pos2]=Q.front(); Q.pop(); for(pair<int,int> e1:G[pos1]){ for(pair<int,int> e2:G[pos2]){ if(e1.second!=e2.second)continue; if(dist[e1.first][e2.first]==(1<<29)){ dist[e1.first][e2.first]=dist[pos1][pos2]+1; Q.emplace(e1.first,e2.first); } } } } int ans=(1<<29); for(int i=1;i<=N;i++){ ans=min(ans,2*dist[i][i]); } for(int i=0;i<M;i++){ ans=min(ans,2*dist[A[i]][B[i]]+1); ans=min(ans,2*dist[B[i]][A[i]]+1); } if(ans!=(1<<29))cout<<ans<<endl; else cout<<-1<<endl; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define f(i,a,b) for(int i=a;i<=b;i++) inline ll rd() { ll x=0,f=1; char c=getchar(); while(!isdigit(c)){if(c=='-')f=-1;c=getchar();} while(isdigit(c))x=x*10+c-'0',c=getchar(); return x*f; } #define d rd() ll a,b,k,aa,bb; ll yh[65][65]; ll now,ans; int main(){ a=aa=d,b=bb=d,k=d; yh[0][0]=1,yh[1][0]=yh[1][1]=1; f(i,2,61){ yh[i][0]=yh[i][i]=1; f(j,1,i-1)yh[i][j]=yh[i-1][j]+yh[i-1][j-1]; } f(i,1,a+b){ if(!aa)bb--,cout<<"b"; else if(!bb)cout<<"a",aa--; else if(now+yh[aa+bb-1][aa-1]<k)now+=yh[aa+bb-1][aa-1],bb--,cout<<"b"; else cout<<"a",aa--; } return 0; }
#pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #pragma GCC optimization ("unroll-loops") #include <bits/stdc++.h> using namespace std; #define SPEED ios::sync_with_stdio(false); cin.tie(0); cout.tie(0) #define int long long #define ld long double #define fi first #define se second #define all(uiet) uiet.begin(),uiet.end() #define read(UIET) for(int i = 0; i < n; ++i) cin >> UIET[i] #define out(UIET) for(int i = 0; i < n; ++i) cout << UIET[i] << " " #define mp make_pair #define pb push_back #define eb emplace_back #define vpp vector<pair< int, int > > #define pll pair<int , int > #define ppll pair < pll , pll > #define debug(n1) cout << n1 << endl #define len(a) ((int) (a).size()) #define endl "\n" #define mod 1000000007 const int INF = (1LL<<60)-1; const int maxN = 1000001; int countFreq(string &pat, string &txt) { int M = len(pat); int N = len(txt); int res = 0; for (int i = 0; i <= N - M; i++){ int j; for (j = 0; j < M; j++) if (txt[i+j] != pat[j]) break; if (j == M) { res++; j = 0; } } return res; } int32_t main(){ SPEED; int a, b; cin >> a >> b; cout << (a + b)/2 << " " << a - (a + b)/2 ; }
#include <bits/stdc++.h> #include <math.h> using namespace std; template<typename T> long long modpow(const T n,const T p,const T mod); template<typename T> long long modinv(const T n,const T mod); template<typename T> bool chmax(T &a,const T &b); template<typename T> bool chmin(T &a,const T &b); long long inf=1000000007; int main(){ int a,b; cin>>a>>b; for(int i=-1000;i<=1000;i++){ for(int j=-1000;j<=1000;j++){ if(i+j==a && i-j==b){ cout<<i<<" "<<j<<endl; return 0; } } } return 0; } template<typename T> long long modpow(const T n,const T p,const T mod){ if(p==0) return 1; if(p%2==0){ long long a=modpow(n,p/2,mod); return a*a%mod; } if(p%2==1) return (modpow(n,p-1,mod)*n)%mod; cerr<<"ERROR"<<endl; return 1; } template<typename T> long long modinv(const T n,const T mod){ return modpow(n,mod-2,mod); } template<typename T> bool chmax(T &a,const T &b){ if(a<b){ a=b; return 1; } return 0; } template<typename T> bool chmin(T &a,const T &b){ if(a>b){ a=b; return 1; } return 0; }
#include <bits/stdc++.h> using namespace std; //# define M_PI 3.14159265358979323846 int main() { ios::sync_with_stdio(false); cin.tie(0); int n, x0, y0, xn, yn; cin >> n >> x0 >> y0 >> xn >> yn; pair<double, double> c = {((double)(x0+xn)) /2., ((double)(y0+yn)) /2.}; pair<double, double> v = {x0 - c.first, y0 - c.second}; double r = sqrt(v.first * v.first + v.second * v.second); double alpha; if (x0 != xn) { alpha = atan(v.second/v.first); if (v.first < 0) { alpha += M_PI; } } else { alpha = M_PI/2.; if (v.second < 0) { alpha += M_PI; } } pair<double, double> v1 = {r * cos(alpha + 2.*M_PI/n), r * sin(alpha + 2.*M_PI/n)}; cout << c.first + v1.first << " " << c.second + v1.second << endl; return 0; } // go through problem examples // for A, B: local structure, brute force // unit test problem mechanics // sums, multiplication -> long long // lcm, gcd -> prime factorization -> first figure for one factor // expectation, count -> sumation order // max -> greedy, binsearch, dp // bit operations -> figure of single bits
#include<stdio.h> #include<math.h> static inline int IN(void) { int x=0,f=1,c=getchar();while(c<48||c>57){if(c==45){f=-f;}c=getchar();} while(c>47&&c<58){x=x*10+c-48,c=getchar();}return f*x; } int main(void) { int N=IN(),p[2][2];p[0][0]=IN(),p[0][1]=IN(),p[1][0]=IN(),p[1][1]=IN(); return !printf("%f %f\n", (p[0][0]-(p[1][0]+p[0][0])/2.0)*cos(2*M_PI/(double)N)-(p[0][1]-(p[1][1]+p[0][1])/2.0)*sin(2*M_PI/(double)N)+(p[1][0]+p[0][0])/2.0, (p[0][0]-(p[1][0]+p[0][0])/2.0)*sin(2*M_PI/(double)N)+(p[0][1]-(p[1][1]+p[0][1])/2.0)*cos(2*M_PI/(double)N)+(p[1][1]+p[0][1])/2.0 ); }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; #define FOR(i, n) for(int (i)=0; (i)<(n); (i)++) #define FOR1(i, n) for(int (i)=1; (i)<=(n); (i)++) #define FORI(i, n) for(int (i)=n-1; (i)>=0; (i)--) template<class T, class U> void umin(T& x, const U& y){ x = min(x, (T)y);} template<class T, class U> void umax(T& x, const U& y){ x = max(x, (T)y);} template<class T, class U> void init(vector<T> &v, U x, size_t n) { v=vector<T>(n, (T)x); } template<class T, class U, typename... W> void init(vector<T> &v, U x, size_t n, W... m) { v=vector<T>(n); for(auto& a : v) init(a, x, m...); } int main(int argc, char** argv) { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout << fixed << setprecision(15); if (argc == 2 && atoi(argv[1]) == 123456789) freopen("d:\\code\\cpp\\contests\\stdin", "r", stdin); int n, t; cin >> n >> t; vector<vector<int>> T; init(T, 0, n, n); FOR(i, n) FOR(j, n) cin >> T[i][j]; int cnt = 0; vector<int> v(n); iota(v.begin(), v.end(), 0); do{ if (v[0] != 0) break; ll time = 0; FOR(i, n-1) time += T[v[i]][v[i+1]]; time += T[v[n-1]][0]; cnt += time == t; }while(next_permutation(v.begin(), v.end())); cout << cnt << endl; if (argc == 2 && atoi(argv[1]) == 123456789) cout << clock()*1.0/CLOCKS_PER_SEC << " sec\n"; return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long int main(){ ll N,K; cin >> N >> K; vector<vector<int>> T(N,vector<int>(N)); for(int i = 0; i < N; i++){ for(int j = 0; j < N; j++){ cin >> T.at(i).at(j); } } vector<int> perm(N - 1); ll count = 0; ll time; for(int i = 0; i < N - 1; i++){ perm.at(i) = i + 1; } do{ time = T.at(0).at(perm.at(0)); for(int i = 0; i < N - 2; i++){ time += T.at(perm.at(i)).at(perm.at(i + 1)); } time += T.at(perm.at(N - 2)).at(0); if(time == K) count++; }while(next_permutation(perm.begin(),perm.end())); cout << count << endl; }
// Username: WillTheBill // Time of creation: 2020-11-22 13:51 // Original filename: m.cp.cpp #include<bits/stdc++.h> using namespace std; // shortcuts #define pb push_back #define fi first #define se second #define all(_v) _v.begin(),_v.end() #define ll long long // IO #define multitest signed __T; cin >> __T; while(__T--) template<typename T> void _read(T& t); template<typename T> void _read(vector<T>&v); template<typename T1, typename T2> void _read(pair<T1,T2>&p); template<typename T> void _read(T& t){cin >> t;} template<typename T> void _read(vector<T>&v){for(unsigned _i=0;_i<v.size();_i++)_read(v[_i]);} template<typename T1, typename T2> void _read(pair<T1,T2>&p){_read(p.first);_read(p.second);} void _masterread(){} template<typename T,typename... V> void _masterread(T& t, V&... v){_read(t);_masterread(v...);} #define re(...)_masterread(__VA_ARGS__) template<typename T> void _print(T t); template<typename T> void _print(vector<T>&v); template<typename T1, typename T2> void _print(pair<T1,T2>&p); template<typename T> void _print(T t){cout<<t;} template<typename T> void _print(vector<T>&v){for(unsigned _i=0;_i<v.size();_i++)_print(v[_i]),cout<<(_i==v.size()-1?"":" ");} template<typename T1, typename T2> void _print(pair<T1,T2>&p){_print(p.first);cout<<" ";_print(p.second);} void _masterprint(){cout<<endl;} template<typename T,typename... V> void _masterprint(T t, V... v){_print(t);if(sizeof...(v))cout<<" ";_masterprint(v...);} #define pr(...)_masterprint(__VA_ARGS__) // DEBUG // colored output??? template <typename T> // start forward declaration void _debug(T t); template<typename T1,typename T2> void _debug(pair<T1,T2> p); template<typename T> void _debug(vector<T>v); template <typename T> // end forward declaration void _debug(T t){cerr<<t;} template<typename T1,typename T2> void _debug(pair<T1,T2> p){cerr<<"{";_debug(p.first);cerr<<", ";_debug(p.second);cerr<<"}";} template<typename T> void _debug(vector<T>v){cerr<<"(";for(unsigned _i=0;_i<v.size();_i++)_debug(v[_i]),cerr<<(_i==v.size()-1?"":", ");cerr << ")";} void _masterdebug(){cerr<<"]\n";} template<typename T,typename... V> void _masterdebug(T t,V... v){_debug(t);if(sizeof...(v))cerr<<", ";_masterdebug(v...);} #ifdef __local__ #define debug(...) cerr<<"["<<#__VA_ARGS__<<"] = [";_masterdebug(__VA_ARGS__) #else #define debug(...) #endif // TYPES // #define int long long signed main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); vector<vector<vector<double>>> dp (101, vector<vector<double>> (101, vector<double> (101, 0.0))); int A,B,C; re(A,B,C); dp[A][B][C] = 1.0; double sum = 0; double propsum = 0; for(int i = 0; i <= 100; i++){ for(int j = 0; j <= 100; j++){ for(int k = 0; k <= 100; k++){ if(i == A && j == B && k == C) continue; int s = i + j + k; if(s <= 1) continue; if((i == 100 && j == 100) || (i == 100 && k == 100) || (j == 100 && k == 100)) continue; if(i > 0 && j != 100 && k != 100) dp[i][j][k] += dp[i-1][j][k] * (i-1) / ((double)(s-1)); if(j > 0 && i != 100 && k != 100) dp[i][j][k] += dp[i][j-1][k] * (j-1) / ((double)(s-1)); if(k > 0 && i != 100 && j != 100) dp[i][j][k] += dp[i][j][k-1] * (k-1) / ((double)(s-1)); if(dp[i][j][k] < 0){ debug(i,j,k); } if(i == 100 || j == 100 || k == 100){ int amount = i - A + j - B + k - C; if(amount < 0) continue; debug(dp[i][j][k], i, j, k, amount); sum += amount * dp[i][j][k]; propsum += dp[i][j][k]; } } } } debug(dp[99][99][99]); debug(sum, propsum); cout << setprecision(10) << fixed; pr(sum / propsum); }
#include <bits/stdc++.h> using namespace std; typedef long double ld; typedef long long ll; using P = pair<int,int>; const char EOLN = '\n'; #define rep(i,n) for (int i = 0; i < (n); ++i) #define int long long // DP 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; } // 定数 #define INF32 2147483647 //2.147483647×10^{9}:32bit整数のinf #define INF64 9223372036854775807 //9.223372036854775807×10^{18}:64bit整数のinf #define MOD 1000000007 //問題による const double pi = 3.14159265359; // メモ // vector二次元配列 // vector<vector<ll>> cnt(h,vector<ll> (w)); // bit演算 // for (int bit = 0; bit < (1<<k); ++bit) // bit & (1 << i) // 複数変数をいっきに代入 // tie(a,b,c) = make_tuple(10, 7.7, "hello"); //大きい配列はglobalで宣言しておいた方が良い //3次元はvectorだと面倒だから配列で。 const int x=100; double dp[x+1][x+1][x+1]; signed main() { int a,b,c; cin >> a >> b >> c; for(int i=x-1; i>=0; --i){ for(int j=x-1; j>=0; --j){ for(int k=x-1; k>=0; --k){ if(i+j+k == 0) continue; double now = 0; now += dp[i+1][j][k]*i; now += dp[i][j+1][k]*j; now += dp[i][j][k+1]*k; dp[i][j][k] = now/(i+k+j) + 1; } } } double ans = dp[a][b][c]; //少数の出力はprintfで指定するのが良い printf("%.10f\n",ans); return 0; }
#include <bits/stdc++.h> using namespace std; int64_t MOD = 1000000007; double PI = 3.141592653589793; int main() { int A, B, X, Y; cin >> A >> B >> X >> Y; int N = 200; vector<vector<pair<int, int>>> list(N); for (int i = 0; i < 100; i++) { list[i].push_back({i + 100, X}), list[i + 100].push_back({i, X}); if (i != 99) { list[i + 1].push_back({i + 100, X}), list[i + 100].push_back({i + 1, X}); list[i].push_back({i + 1, Y}), list[i + 1].push_back({i, Y}); list[i + 100].push_back({i + 101, Y}), list[i + 101].push_back({i + 100, Y}); } } vector<int> length(N, MOD); //始点からの距離 queue<int> que; //訪問予定 int search, now; que.push(A - 1); length[A - 1] = 0; while (!que.empty()) { int now = que.front(); que.pop(); for (int i = 0; i < list[now].size(); i++) { auto search = list[now][i]; int to = search.first; //目的地 int Length = search.second; //距離 if (length[to] > length[now] + Length) { length[to] = length[now] + Length; que.push(to); } } } cout << length[B + 99]; }
/* Three things which are very important -- Violence - Speed - Momentum */ #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; #define oset tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> #define setbits(x) __builtin_popcountll(x) #define leadzero(x) __builtin_clz(x) #define trailzero(x) __builtin_ctz(x) #define bitsparity(x) __builtin_parity(x) #define mod 1000000007 #define FIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define ll long long #define pre(y,x) fixed<<setprecision(y)<<x #define dbg1(x) cerr << "|" << #x << ": " << (x) << "|\n"; #define dbg2(x,y) cerr << "|" << #x << ": " << (x) << "|" << #y << ": " << (y) << "|\n"; #define dbg3(x,y,z) cerr << "|" << #x << ": " << (x) << "|" << #y << ": " << (y) << "|" << #z << ": " << (z) << "|\n"; #define ff first #define ss second #define pb push_back #define eb emplace_back #define popb pop_back #define endl '\n' #define all(v) v.begin(), v.end() #define sz(x) ((int)((x).size())) typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<string, string> pss; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<pii> vii; typedef vector<pll> vll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<string> vs; ll power(ll a, ll b) { if(b<0) return 1; ll res=1; while(b) { if(b&1) res = (res*a);//%mod; a = (a*a);//%mod; b >>= 1; } return res; } bool ispoweroftwo(ll x){ return (x&&!(x&(x-1)));} inline ll gcd(ll a, ll b) {ll r; while (b) {r = a % b; a = b; b = r;} return a;} inline ll lcm(ll a, ll b) {return a / gcd(a, b) * b;} const int inf = 1e9; int dx[] = {-1, 0, 1, 0}; int dy[] = {0, 1, 0, -1}; char MV[] = {'U', 'R', 'D', 'L'}; //integer to char always remember (char+'0') const double pi = acos(-1); const ll INF = 1e18; //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// int main() { FIO; int a, b, x, y; cin >> a >> b >> x >> y; int diff = abs(a-b); if(diff == 0) { cout << x; } else if(diff == 1) { if(a > b) { cout << x; } else { cout << min(diff*3*x-(diff-1)*x, x + diff*y); } } else { if(a > b) { cout << min(2*diff*x-x, x + (diff-1)*y); } else { cout << min(diff*3*x-(diff-1)*x, x + diff*y); } } } /* */
#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 fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define PSET(x,y) fixed<<setprecision(y)<<x #define pb push_back #define pii pair<int,int> #define pf push_front #define mp make_pair #define vi vector<int> #define vip vector<pair<int,int> > #define ff first #define ss second #define int long long #define mod 1000000007 #define BIG 998244353 #define s(t) scanf("%lld",&t) #define p(t) printf("%lld\n",t) #define mii map<int,int> #define MSET(table,i) memset(table, i, sizeof(table)) #define endl '\n' #define tc int t;cin>>t;while(t--) #define pi 3.1415926358 #define bits(x) __builtin_popcountll(x) #define minimum(a,n) min_element(a,a+n)-a #define maximum(a,n) max_element(a,a+n)-a #define pqbig priority_queue<int> #define pqsmall priority_queue<pii,vector<pii>,greater<pii> > #define all(v) v.begin(),v.end() #define sitr set<int>:: iterator #define spitr set<pii>:: iterator #define mitr map<int,int>:: iterator #define E 0.0000001 int toint(const string &s) {stringstream ss; ss << s; int x; ss >> x; return x;} string tostring ( int number ) {stringstream ss; ss << number; return ss.str();} typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> new_data_set; #define trace1(x) cerr<<#x<<": "<<x<<endl #define trace2(x, y) cerr<<#x<<": "<<x<<" | "<<#y<<": "<<y<<endl #define trace3(x, y, z) cerr<<#x<<":" <<x<<" | "<<#y<<": "<<y<<" | "<<#z<<": "<<z<<endl #define trace4(a, b, c, d) cerr<<#a<<": "<<a<<" | "<<#b<<": "<<b<<" | "<<#c<<": "<<c<<" | "<<#d<<": "<<d<<endl #define trace5(a, b, c, d, e) cerr<<#a<<": "<<a<<" | "<<#b<<": "<<b<<" | "<<#c<<": "<<c<<" | "<<#d<<": "<<d<<" | "<<#e<< ": "<<e<<endl #define trace6(a, b, c, d, e, f) cerr<<#a<<": "<<a<<" | "<<#b<<": "<<b<<" | "<<#c<<": "<<c<<" | "<<#d<<": "<<d<<" | "<<#e<< ": "<<e<<" | "<<#f<<": "<<f<<endl int32_t main() { fast; string s;cin>>s; int ans=0; for(int i=0;i<=9999;i++) { string cur=tostring(i); reverse(all(cur)); while(cur.size()<4) cur+='0'; reverse(all(cur)); mii exist; for(int j=0;j<4;j++) exist[cur[j]]++; bool flag=true; for(int j=0;j<10;j++) { if(s[j]=='o' and !exist.count((j+'0'))) flag=false; if(s[j]=='x' and exist.count((j+'0'))) flag=false; } ans+=(flag); } cout<<ans; }
#include <iostream> #include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; int count = 0; bool flag; for (int i = 0; i < 10000; i++) { flag = true; vector<int> m(10); int x = i; for (int j = 0; j < 4; j++) { m[x%10] = 1; x /= 10; } for (int k = 0; k < 10; k++) { if (s[k] == 'o' && m[k] != 1) flag = false; if (s[k] == 'x' && m[k] != 0) flag = false; } if (flag) count++; } cout << count << endl; }
/* by Hyperhydrochloric Acid */ #include <bits/stdc++.h> using namespace std; #define SZ(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() #define loop(i, n) for(int i = 0; i < (n); ++i) #define cont(i, n) for(int i = 1; i <= (n); ++i) #define circ(i, a, b) for(int i = (a); i <= (b); ++i) #define range(i, a, b, c) for(int i = (a); ((c) > 0 ? i <= (b) : i >= (b)); i += (c)) #define foreach(it, v) for(__typeof((v).begin()) it = (v).begin(); it != (v).end(); ++it) #define y0 y0O0OO00OO0OO0OO0OOO00OO0OO0O0O000OO0 #define y1 y1II11II11III11I1III11II111IIII1II1I1 #define pub push_back #define pob pop_back #define mak make_pair typedef long long ll; typedef long double lf; const int Inf = 0x3f3f3f3f; const ll INF = 0x3f3f3f3f3f3f3f3fll; /* Source code starts here */ const int jt = 1000000007; int n; char aa, ab, ba, bb; int fib[1005]; int main() { scanf("%d", &n); scanf(" %c %c %c %c", &aa, &ab, &ba, &bb); aa -= 'A'; ab -= 'A'; ba -= 'A'; bb -= 'A'; if((!ab && !aa) || (ab && bb)) { // 固定 puts("1"); } else if((!ab && aa && ba) || (ab && !ba && !bb)) { // 打印机 int cnt = 1; cont(i, n - 3) (cnt *= 2) %= jt; printf("%d\n", cnt); } else { // 漏墨打印机 fib[1] = 0; fib[2] = 1; circ(i, 3, n) fib[i] = (fib[i - 1] + fib[i - 2]) % jt; printf("%d\n", fib[n]); } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; int main () { int N; cin >> N; ll m = 1e9 + 7; char a, b, c, d; cin >> a >> b >> c >> d; if (b == 'A') { if (a == 'A') { cout << 1 << endl; return 0; } if (c == 'B') { ll ret = 1; for (int i = 0; i < N - 3; i ++) { ret *= 2; ret %= m; } cout << ret << endl; return 0; } ll ans[1010]; ans[2] = ans[3] = 1; for (int i = 4; i <= N; i ++) { ans[i] = ans[i - 1] + ans[i - 2]; ans[i] %= m; } cout << ans[N] << endl; } else { if (d == 'B') { cout << 1 << endl; return 0; } if (c == 'A') { ll ret = 1; for (int i = 0; i < N - 3; i ++) { ret *= 2; ret %= m; } cout << ret << endl; return 0; } ll ans[1010]; ans[2] = ans[3] = 1; for (int i = 4; i <= N; i ++) { ans[i] = ans[i - 1] + ans[i - 2]; ans[i] %= m; } cout << ans[N] << endl; } }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define rep3(i,m,n) for(int (i)=m;(i)<=(n);(i)++) #define rep3rev(i,m,n) for(int (i)=m;(i)>=(n);(i)--) #define all(a) (a.begin()),(a.end()) #define rall(a) (a.rbegin()),(a.rend()) #define fi first #define se second #define pb push_back #define eb emplace_back using ll = long long; using vll = vector<ll>; using vi = vector<int>; using vvi = vector<vector<int>>; using P = pair<int, int>; using LD = long double; 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; } void yes(bool ok = true){ cout << (ok ? "yes" : "no") << endl; } void Yes(bool ok = true){ cout << (ok ? "Yes" : "No") << endl; } void YES(bool ok = true){ cout << (ok ? "YES" : "NO") << endl; } void Main(){ const ll INF = 1e18; ll n; cin >> n; vll pow3(40, 3), pow5(30, 5); rep(i, 40) { if(pow3[i] > INF/3) break; pow3[i+1] = 3 * pow3[i]; } rep(i, 30) { if(pow5[i] > INF/5) break; pow5[i+1] = 5 * pow5[i]; } rep(i, 40) rep(j, 30){ if(n == pow3[i] + pow5[j]){ cout << i+1 << " " << j+1 << endl; return; } } cout << -1 << endl; return; } int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(15); Main(); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define repp(i, st, en) for (ll i = (ll)st; i < (ll)(en); i++) #define repm(i, st, en) for (ll i = (ll)st; i >= (ll)(en); i--) #define all(v) v.begin(), v.end() void chmax(ll &x, ll y) {x = max(x,y);} void chmin(ll &x, ll y) {x = min(x,y);} void Yes() {cout << "Yes" << endl; exit(0);} void No() {cout << "No" << endl; exit(0);} template<class in_Cout> void Cout(in_Cout x) {cout << x << endl; exit(0);} template<class in_vec_cout> void vec_cout(vector<in_vec_cout> vec) { for (in_vec_cout res : vec) {cout << res << " ";} cout << endl; } const ll inf = 1e18; const ll mod = 1e9 + 7; int main() { ll N; cin >> N; vector<ll> cnt(200); rep(i,N) { ll a; cin >> a; cnt[a%200]++; } ll ans = 0; for (ll v : cnt) { ans += v*(v-1)/2; } cout << ans << endl; }
#include <bits/stdc++.h> #define REP(i, n) for(int i = 0; i < n; i++) #define FOR(i, m, n) for(int i = m; i < n; i++) #define MOD 1000000007 #define MAX 100010 #define aout(a) REP(i,sizeof(a)) cout << a[i] << " "; cout << endl; #define vout(v) REP(i,v,size()) cout << v[i] << " "; cout << endl; using namespace std; using ll = long long; using P = pair<int,int>; using Graph = vector<vector<int>>; int main(){ long double X,Y,A,B; cin>>X>>Y>>A>>B; ll count = 0; long double col; while(X < Y){ if( (X*A < X+B) && (X*A < Y) ){ X *= A; count++; } else if(X+B < Y){ col = (Y-X) / B; count += ceil(col)-1; break; } else break; } cout<<count; }
#include<bits/stdc++.h> using namespace std; #define GODSPEED ios:: sync_with_stdio(0);cin.tie(0);cout.tie(0);cout<<fixed;cout<<setprecision(15); #define f first #define s second #define newl cout<<"\n"; #define pb push_back #define mset(a,x) memset(a,x,sizeof(a)) #define debv(a) for(auto it: a)cout<<it<<" ";newl; #define deb1(a) cout<<a<<"\n"; #define deb2(a,b) cout<<a<<" "<<b<<"\n"; #define deb3(a,b,c) cout<<a<<" "<<b<<" "<<c<<"\n"; #define deb4(a,b,c,d) cout<<a<<" "<<b<<" "<<c<<" "<<d<<"\n"; #define uniq(a) a.resize(unique(a.begin(), a.end()) - a.begin()); #define all(a) a.begin(),a.end() typedef long long ll; typedef long double ld; typedef pair<ll,ll> pll; typedef vector<ll> vll; typedef vector<pll> vpll; const ll N = 2e6+5; const ll mod = 998244353; const ll INF = 0x7f7f7f7f7f7f7f7f; const int INFi = 0x7f7f7f7f; const ll LEVEL = log2(N)+1; ll n, m; ll fastmod(ll x, ll y, ll m){ ll res = 1; while(y){ if(y&1) res = res * x % m; x = x * x % m; y /= 2; } return res; } void solve(){ cin >> n >> m; deb1(fastmod(10, n, m * m) / m) } int main(){ GODSPEED; int test = 1; //cin >> test; for(int i = 1; i <= test; i++){ solve(); } #ifndef ONLINE_JUDGE cout<<"\nTime Elapsed: " << 1.0*clock() / CLOCKS_PER_SEC << " sec\n"; #endif }
#include <bits/stdc++.h> using namespace std; typedef long long ll; ll a[10][10],num[10]; int main() { ll n,k,res=0; cin>>n>>k; for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) cin>>a[i][j]; for(int i=1;i<=n;i++) num[i]=i; do { ll last,now,sum=0; for(int i=1;i<n;i++) { last=num[i]; now=num[i+1]; sum=sum+a[last][now]; } sum=sum+a[1][num[n]]; if(sum==k) res++; }while(next_permutation(num+2,num+1+n)); cout<<res; return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i < (int)(n); i++) #define length size() #define int long long #define ll long long #include <cstdint> long long modpow(long long a, long long n, long long mod) { long long res = 1; while (n > 0) { if (n & 1) res = res * a % mod; a = a * a % mod; n >>= 1; } return res; } const int MOD = 1000000007; const int mod = 1000000007; const int MAX = 510000; const double inf = 900719925474099; template<typename T> string join(vector<T> &vec ,const string &sp){ int si = vec.length; if(si==0){ return ""; }else{ stringstream ss; rep(i,si-1){ ss << vec[i] << sp; } ss << vec[si - 1]; return ss.str(); } } vector<vector<int>> ruiseki2d(vector<vector<int>> vec){ rep(i,vec.size()-1){ rep(j,vec[0].size()-1){ vec[i+1][j+1] = vec[i][j+1]+vec[i+1][j]-vec[i][j]+vec[i+1][j+1]; } } return vec; } vector<int> ruiseki(vector<int> vec){ rep(i,vec.size()-1){ vec[i+1] += vec[i]; } return vec; } int t,s; int solve(int a){ return (a<0)?a*s:a*t; } signed main(void){ int n,k; cin >> n >> k; vector<int> vec(n-1); vector<vector<int>> town(n,vector<int>(n)); rep(i,n-1){ vec[i] = i+1; } rep(i,n){ rep(j,n){ cin >> town[i][j]; } } int ans = 0; do { //cout << join(vec," ") <<endl; int sum = 0; int now = 0; for(int i=0;i<n-1;i++){ int next = vec[i]; sum += town[now][next]; now = next; } sum += town[now][0]; if(sum == k) ans++; }while (std::next_permutation(vec.begin(),vec.end())); cout << ans << endl; }
#include<bits/stdc++.h> #define int long long #define ld long double #define fi first #define se second #define vll vector<int> #define pii pair<int,int> #define pb push_back #define sz(v) (int)(v).size() #define inf (int)(1e18) #define md (int)(1e9+7) #define all(v) (v).begin(),(v).end() #define rep(i,a,b) for(int i=a;i<b;++i) using namespace std; const int M = 2e5 + 10; #define K 101 int ex(int a,int b=md-2){ int ans=1; while(b) { if(b&1) ans=(ans*a)%md; a=(a*a)%md,b/=2; } return ans; } inline int add(int a,int b){ a+=b; if(a>=md) a-=md; return a; } inline int sub(int a,int b){ a-=b; if(a<0) a+=md; return a; } inline int mul(int a,int b){ return (a*b)%md; } int f[M],iv[M]; int C(int n,int r){ if(n<r) return 0; return mul(f[n],mul(iv[r],iv[n-r])); } void init(){ f[0]=1; for(int i=1;i<M;++i) { f[i]=mul(i,f[i-1]); } iv[M-1]=ex(f[M-1]); for(int i=M-2;i>=0;--i) { iv[i]=mul(i+1,iv[i+1]); } } struct mat{ int data[K][K]={0}; }; mat operator*(mat &a, mat &b){ mat c; for(int i=0;i<K;++i)for(int j=0;j<K;++j){ c.data[i][j]=0; for(int k=0;k<K;++k) { c.data[i][j]+=(a.data[i][k]*1ll*b.data[k][j])%md; if(c.data[i][j]>=md) c.data[i][j]-=md; } } return c; } mat operator^(mat &a,int b){ mat c; for(int i=0;i<K;++i)for(int j=0;j<K;++j) c.data[i][j]=(i==j); while(b){if(b&1)c=c*a;a=a*a;b/=2;} return c; } int32_t main(){ ios_base::sync_with_stdio(false); cin.tie(0); int n,m,k; cin>>n>>m>>k; mat A; int a[n]; rep(i,0,n) cin>>a[i]; int p=ex(mul(m,2)); rep(i,0,n)rep(j,0,n) { A.data[i][j]=i==j; } rep(i,0,m) { int u,v; cin>>u>>v; u--,v--; A.data[u][v]=add(A.data[u][v],p); A.data[v][u]=add(A.data[v][u],p); A.data[u][u]=sub(A.data[u][u],p); A.data[v][v]=sub(A.data[v][v],p); } A=A^k; mat B; rep(i,0,n) { rep(j,0,n) B.data[i][j]=a[j]; } A=B*A; rep(i,0,n) cout<<A.data[i][i]<<"\n"; return 0; }
#include<bits/stdc++.h> using namespace std; const int N=5005,mod=998244353; int n,m,ans,f[N][2],g[N][2]; inline int add(int a,int b){ a+=b; return a<mod?a:a-mod; } inline int dec(int a,int b){ a-=b; return a<0?a+mod:a; } inline int mul(int a,int b){ return 1LL*a*b%mod; } int main(){ scanf("%d%d",&n,&m); for(int i=1;i<=m;i++){ memset(f,0,sizeof(f)); memset(g,0,sizeof(f)); f[0][0]=1; g[0][0]=0; for(int j=1;j<=n;j++){ f[j][0]=add(mul(f[j-1][0],m-1),mul(f[j-1][1],i-1)); g[j][0]=add(mul(g[j-1][0],m-1),mul(g[j-1][1],i-1)); f[j][1]=add(f[j-1][0],mul(f[j-1][1],m-i+1)); if(j==n){ j++; j--; } g[j][1]=add(g[j-1][0],f[j-1][0]); g[j][1]=add(g[j][1],mul(g[j-1][1],m-i+1)); } ans=add(ans,add(g[n][0],g[n][1])); } printf("%d\n",ans); return 0; }
#include<bits/stdc++.h> #define ll long long #define ld long double #define ull unsigned ll #define uint unsigned int #define db double #define pint pair<int,int> #define mk make_pair #define pb push_back #define eb emplace_back #define ins insert #define fi first #define se second #define Rep(x,y,z) for(int x=(y);x<=(z);x++) #define Red(x,y,z) for(int x=(y);x>=(z);x--) using namespace std; const int MAXN=100005; char buf[1<<12],*pp1=buf,*pp2=buf,nc;int ny; inline char gc() {return pp1==pp2&&(pp2=(pp1=buf)+fread(buf,1,1<<12,stdin),pp1==pp2)?EOF:*pp1++;} //inline char gc(){return getchar();} inline int read(){ int x=0;for(ny=1;nc=gc(),(nc<48||nc>57)&&nc!=EOF;)if(nc==45)ny=-1;if(nc<0)return nc; for(x=nc-48;nc=gc(),47<nc&&nc<58&&nc!=EOF;x=(x<<3)+(x<<1)+(nc^48));return x*ny; } int n,m,a[MAXN],b[MAXN],c[MAXN],vis[MAXN],ans[MAXN]; vector<int>G[MAXN]; void dfs(int x){ vis[x]=1; for(auto o:G[x]){ int y=a[o]+b[o]-x; if(~ans[o])continue; ans[o]=(y==a[o]); if(vis[y])continue; dfs(y); } } int main(){ // freopen("std.in","r",stdin); // freopen("std.out","w",stdout); n=read(),m=read(),memset(ans,-1,sizeof(ans)); Rep(i,1,m)a[i]=read(),b[i]=read(); Rep(i,1,n)c[i]=read(); Rep(i,1,m)if(c[a[i]]==c[b[i]]) G[a[i]].pb(i),G[b[i]].pb(i); Rep(i,1,n)if(!vis[i])dfs(i); Rep(i,1,m){ if(c[a[i]]==c[b[i]])puts(ans[i]?"<-":"->"); else puts(c[a[i]]<c[b[i]]?"<-":"->"); } return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(type, val, n) for(type val = 0; val < n; ++val) #define repi(type, val, init, end) for(type val = init; val < end; ++val) using Int = long long; using uInt = unsigned long long; int main() { uInt n, ans[100005] = { 0 }; cin >> n; rep (int, i, n + 1) ans[i] = 1; repi(int, i, 2, n + 1) { if (ans[i] == 1) { for (uInt check_pow = i; check_pow < n + 1; check_pow *= i) for (uInt add_i = check_pow << (check_pow == i ? 1 : 0); add_i < n + 1; add_i += check_pow) { ans[add_i]++; } ans[i]++; } else {} } repi (int, i, 1, n) cout << ans[i] << " "; cout << ans[n] << endl; return 0; }
//Codeforcesで128bit整数を使いたいとき //→__int128_tを使う&GNU C++17 (64)で提出する //インクルードなど #include <iostream> // cout, endl, cin #include <string> // string, to_string, stoi #include <vector> // vector #include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <utility> // pair, make_pair #include <tuple> // tuple, make_tuple #include <cstdint> // int64_t, int*_t #include <cstdio> // printf #include <map> // map #include <queue> // queue, priority_queue #include <set> // set #include <stack> // stack #include <deque> // deque #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <bitset> // bitset #include <cctype> // isupper, islower, isdigit, toupper, tolower using namespace std; typedef long long ll; //イテレーション #define REP(i,n) for(ll i=0;i<ll(n);i++) #define REPD(i,n) for(ll i=n-1;i>=0;i--) #define FOR(i,a,b) for(ll i=a;i<=ll(b);i++) #define FORD(i,a,b) for(ll i=a;i>=ll(b);i--) #define FORA(i,I) for(const auto& i:I) //x:コンテナ #define ALL(x) x.begin(),x.end() #define SIZE(x) ll(x.size()) //定数 #define INF32 2147483647 //2.147483647×10^{9}:32bit整数のinf #define INF64 9223372036854775807 //9.223372036854775807×10^{18}:64bit整数のinf #define MOD 1000000007 //問題による //略記 #define F first #define S second //出力(空白区切りで昇順に) #define coutALL(x) for(auto i=x.begin();i!=--x.end();i++)cout<<*i<<" ";cout<<*--x.end()<<endl; #define coutall(x) {for(int i=0;i<sizeof(x)/sizeof(x[0]);i++){cout<<x[i]<<"|";};};cout<<endl; //aをbで割る時の繰上げ,繰り下げ ll myceil(ll a,ll b){return (a+(b-1))/b;} ll myfloor(ll a,ll b){return a/b;} ll f(ll x){ if(x<1000){return 0;}; return 1+f(x/1000); } signed main(){ ll n;cin>>n; ll a[n],b[n],c=INF32; REP(i,n){ cin>>a[i]>>b[i]; c=min(c,a[i]+b[i]); }; REP(i,n){REP(j,n){ if(i==j){continue;}; c=min(c,max(a[i],b[j])); };}; cout<<c; }
//fake_name #include<bits/stdc++.h> using namespace std ; #define int long long int #define F first #define S second int MOD = 998244353 ; int mod = 1e9 + 7 ; int inf = 1e18 ; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); signed main() { ios_base::sync_with_stdio(false) ; cin.tie(0) ; cout.tie(0) ; int n ; cin >> n ; int a[n] , b[n] ; for( int i = 0 ; i < n ; i++ ) cin >> a[i] >> b[i] ; int ans = inf ; for( int i = 0 ; i < n ; i++ ){ for( int j = 0 ; j < n ; j++ ) if( i == j ) ans = min( ans , a[i]+b[j] ) ; else ans = min( ans , max( a[i] , b[j] ) ) ; } cout << ans ; cerr << "Time elapsed : " << 1.0 * clock() / CLOCKS_PER_SEC << " sec \n"; }
#include <iostream> using namespace std; int main() { int x,y; cin >> x >> y; if(x==y) { cout << x << endl; return 0; } else{ cout << 3-x-y << endl; return 0; } }
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") typedef long long int ll; typedef long double ld; #define MOD 1000000007 #define fastio ios_base::sync_with_stdio(false); cin.tie(NULL) #define endl '\n' #define pb push_back #define conts continue #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(), a.rend() #define no cout << "NO" << endl #define yes cout << "YES" << endl #define ff first #define ss second #define ceil2(x,y) (x+y-1) / y #ifndef ONLINE_JUDGE #define debug(x) cout << #x <<" = "; print(x); cout << endl; #else #define debug(x) #endif bool iseven(ll n) {if ((n & 1) == 0) return true; return false;} void print(ll t) {cout << t;} void print(int t) {cout << t;} void print(string t) {cout << t;} void print(char t) {cout << t;} void print(double t) {cout << t;} void print(ld t) {cout << t;} template <class T, class V> void print(pair <T, V> p); template <class T> void print(vector <T> v); template <class T> void print(set <T> v); template <class T, class V> void print(map <T, V> v); template <class T> void print(multiset <T> v); template <class T, class V> void print(pair <T, V> p) {cout << "{"; print(p.ff); cout << ","; print(p.ss); cout << "}";} template <class T> void print(vector <T> v) {cout << "[ "; for (T i : v) {print(i); cout << " ";} cout << "]";} template <class T> void print(set <T> v) {cout << "[ "; for (T i : v) {print(i); cout << " ";} cout << "]";} template <class T> void print(multiset <T> v) {cout << "[ "; for (T i : v) {print(i); cout << " ";} cout << "]";} template <class T, class V> void print(map <T, V> v) {cout << "[ "; for (auto i : v) {print(i); cout << " ";} cout << "]";} void solve() { ll a,b; cin >> a >> b; if(a == b){ cout << a << endl; } else{ if(a > b){ swap(a,b); } if(a == 0 && b == 1){ cout << 2 << endl; } else if(a == 0 && b == 2){ cout << 1 << endl; } else if(a == 1 && b == 2){ cout << 0 << endl; } } } signed main() { #ifndef ONLINE_JUDGE freopen("D:/Competitive Programming/input.txt", "r", stdin); freopen("D:/Competitive Programming/output.txt", "w", stdout); #endif fastio; solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define ar array #define ll long long const int MAX_N = 1e5 + 5; const ll MOD = 1e9 + 7; const ll INF = 1e9; void solve() { int n, m; cin >> n >> m; int f[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { char c; cin >> c; f[i][j] = (c == '+' ? 1 : -1); } } int dp[n][m]; // (Takahashi - Aoki) for (int i = n - 1; i >= 0; i--) { for (int j = m - 1; j >= 0; j--) { if (i == n - 1 && j == m - 1) { // base case dp[i][j] = 0; } else if ((i + j) % 2) { dp[i][j] = INF; if (i + 1 < n) dp[i][j] = min(dp[i][j], dp[i + 1][j] - f[i + 1][j]); if (j + 1 < m) dp[i][j] = min(dp[i][j], dp[i][j + 1] - f[i][j + 1]); } else { dp[i][j] = -INF; if (i + 1 < n) dp[i][j] = max(dp[i][j], dp[i + 1][j] + f[i + 1][j]); if (j + 1 < m) dp[i][j] = max(dp[i][j], dp[i][j + 1] + f[i][j + 1]); } } } if (dp[0][0] == 0) { cout << "Draw\n"; } else { cout << (dp[0][0] > 0 ? "Takahashi" : "Aoki") << "\n"; } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int tc = 1; // cin >> tc; for (int t = 1; t <= tc; t++) { // cout << "Case #" << t << ": "; solve(); } }
#include <bits/stdc++.h> #define FOR(i, a, n) for(ll i = (ll)a; i < (ll)n; i++) #define FORR(i, n) for(ll i = (ll)n - 1LL; i >= 0LL; i--) #define rep(i, n) FOR(i, 0, n) #define ALL(x) begin(x), end(x) using namespace std; using ll = long long; constexpr ll Mod = 998244353; constexpr ll mod = 1e9 + 7; constexpr ll inf = 1LL << 60; const double PI = acos(-1); template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } /*-------------------------------------------*/ int h, w; char a[2009][2009]; int dp[2009][2009]; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); cin >> h >> w; rep(i, h) cin >> a[i]; FORR(i, h) FORR(j, w) { if(i + 1 < h || j + 1 < w) dp[i][j] = -1e9; if(i + 1 < h) chmax(dp[i][j], -dp[i + 1][j] + (a[i + 1][j] == '+' ? 1 : -1)); if(j + 1 < w) chmax(dp[i][j], -dp[i][j + 1] + (a[i][j + 1] == '+' ? 1 : -1)); } if(dp[0][0] < 0) cout << "Aoki\n"; if(dp[0][0] == 0) cout << "Draw\n"; if(dp[0][0] > 0) cout << "Takahashi\n"; return 0; }
#include<bits/stdc++.h> using namespace std; using ll = long long; using vs = vector<string>; using vi = vector<int>; using vl = vector<ll>; using vb = vector<bool>; using pi = pair<int, int>; using pl = pair<ll, ll>; using vpi = vector<pair<int, int>>; using vpl = vector<pair<ll, ll>>; using ld = double; #define sz(x) (int)(x).size() #define all(x) x.begin(), x.end() #define ins insert #define nl "\n" const ll MOD = 998244353; 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; } template<typename T> T signum(T a) { return (a > 0) - (a < 0); } template<typename T> T cmp(T a, T b) { return signum(a-b); } template<typename T> bool mins(T& lhs , T& rhs) { if (rhs < lhs) { lhs = rhs; return true; } return false; } template<typename T> bool maxs(T& lhs , T& rhs) { if (rhs > lhs) { lhs = rhs; return true; } return false; } const int MAX = INT_MAX; void gks(int tc) { printf("Case #%d: ", tc); }; int main() { string s1, s2, s3; cin>>s1; cin>>s2; cin>>s3; string p = "0123456789"; set<char> a; for (auto x : s1) a.insert(x); for (auto x : s2) a.insert(x); for (auto x : s3) a.insert(x); if (a.size() >= 11) { cout<<"UNSOLVABLE"; return 0; } bool f = false; do { map<char, int> my_map; //if (p[0] == '0') continue; int i = 0; for (auto x : a) { my_map[x] = p[i++]; } string i1; for (auto x : s1) { i1.append(1, my_map[x]); } if (i1 == "0") continue; string i2; for (auto x : s2) { i2.append(1, my_map[x]); } if (i2 == "0") continue; string i3; for (auto x : s3) { i3.append(1, my_map[x]); } if (i3 == "0") continue; ll j1 = stoll(i1); ll j2 = stoll(i2); ll j3 = stoll(i3); /* if (p == "0267495183") { cout<<j1<<nl<<j2<<nl<<j3<<nl; } */ if (j1 + j2 == j3 && i1[0] != '0' && i2[0] != '0' && i3[0] != '0') { f = true; cout<<j1<<nl<<j2<<nl<<j3<<nl; break; } }while (next_permutation(p.begin(), p.end())); if (!f) { cout<<"UNSOLVABLE"<<nl; } return 0; }
// doot diddly donger cuckerino Hahahahahah //#pragma GCC optimize("Ofast") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") //#pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using vi = vector<int>; #define all(x) (x).begin(), (x).end() const ld PI = acos(-1); template <typename T> inline T mini(T& x, T y) { return x = min(x, y); } template <typename T> inline T maxi(T& x, T y) { return x = max(x, y); } mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); template <typename T, typename U> std::ostream& operator<<(std::ostream& stream, const pair<T, U>& p) { return stream << p.first << " " << p.second; } template <typename T> std::ostream& operator<<(std::ostream& out, const vector<T>& vec) { for (const T& x: vec) out << x << ' '; return out; } template <typename T> std::istream& operator>>(std::istream& in, vector<T>& vec) { for (auto& x: vec) in >> x; return in; } class MEX { struct MEXNode { MEXNode *children[2]; bool is_full = false; int cnt = 0; public: MEXNode() { children[0] = nullptr; children[1] = nullptr; } }; private: inline MEXNode *nonnull(MEXNode *& n) { if (!n) n = new MEXNode(); return n; } void insert(int val, int level, MEXNode *n) { if (level == -1) { n->cnt++; n->is_full = true; return; } int cur_bit = (val & (1 << level)) >> level; insert(val, level - 1, nonnull(n->children[cur_bit])); n->is_full = nonnull(n->children[0])->is_full && nonnull(n->children[1])->is_full; n->cnt = nonnull(n->children[0])->cnt + nonnull(n->children[1])->cnt; } // Remove an integer from the set void remove(int val, int level, MEXNode *n) { if (level == -1) { n->cnt--; n->is_full = n->cnt > 0; return; } int cur_bit = (val & (1 << level)) >> level; remove(val, level - 1, nonnull(n->children[cur_bit])); n->is_full = nonnull(n->children[0])->is_full && nonnull(n->children[1])->is_full; n->cnt = nonnull(n->children[0])->cnt + nonnull(n->children[1])->cnt; } // Find the minimum element >=x that isn't present in the set int get(int val, int level, MEXNode *n) { if (n->is_full) { return -1; } else if (n->cnt == 0) { return val; } int cur_bit = (val & (1 << level)) >> level; int ans = get(val, level - 1, nonnull(n->children[cur_bit])); if (cur_bit == 0 && ans == -1) { ans = get((val >> level << level) | (1 << level), level - 1, nonnull(n->children[1])); } return ans; } MEXNode root_node; public: void insert(int x) { insert(x, 31, &root_node); } void remove(int x) { remove(x, 31, &root_node); } int get(int x) { return get(x, 31, &root_node); } }; class CNeqMin { public: void solve(std::istream& cin, std::ostream& cout) { int n; cin >> n; MEX mex; for (int i = 0; i < n; ++i) { int x; cin >> x; mex.insert(x); cout << mex.get(0) << '\n'; } } }; int32_t main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cout.tie(nullptr); CNeqMin solver; std::istream& in(std::cin); std::ostream& out(std::cout); solver.solve(in, out); return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; const int mod=1e9+7; const int maxn=1e5+5; ll f[maxn][2],g[maxn]; int main() { ll ans=0,x; int n; scanf("%d",&n); ll tot=2*n-3+(n-3)*(n-4)/2; tot%=mod; // 0 - 1 + f[0][1]=1; g[0]=1; for(int i=1;i<=n;i++) { f[i][0]=f[i-1][1]; f[i][1]=(f[i-1][0]+f[i-1][1])%mod; g[i]=(f[i][0]+f[i][1])%mod; } for(int i=1;i<=n;i++) { scanf("%lld",&x); x%=mod; ll plus=0,multi=0; plus=g[n-i]; if(i>=2) plus=g[i-2]*plus%mod; if(i!=1) multi=1; if(i>=3) multi=g[i-3]; if(i!=n) multi=g[n-i-1]*multi%mod; ans=(ans+1LL*x*(plus-multi+mod)%mod)%mod; } printf("%lld",(ans+mod)%mod); return 0; }
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> #define ll long long int #define umap unordered_map #define mod 1000000007ll #define pb push_back #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define MN(a,b,c) min(a,min(b,c)) #define MX(a,b,c) max(a,max(b,c)) #define pr1 pair<ll,ll> #define F first #define S second #define mP make_pair #define f(i,n) for(ll i=0;i<n;i++) #define f1(i,x,y) for(ll i=x;i<=y;i++) #define f2(i,x,y) for(ll i=x;i>=y;i--) #define yes cout<<"YES"<<"\n" #define no cout<<"NO"<<"\n" #define modsum(a,b) ((a%mod)+(b%mod))%mod #define modpro(a,b) ((a%mod)*(b%mod))%mod #define moddif(a,b) ((a%mod)-(b%mod)+mod)%mod #define modsumt(a,b,c) modsum(a,modsum(b,c)) //__builtin_popcount(x) //__builtin_parity(x) =(number of set bits)%2 //__builtin_clz(x) to count the number of leading zeroes //__builtin_ctz(x) to count the number of trailing zeroes //__gcd(a,b) // Binary Search // TO AVOID GETTING INFINITE LOOP // mid = (l+r)/2 l=mid+1 r=mid // mid = (l+r+1)/2 l=mid r=mid-1 using namespace std; ll fac[200005]; /*void calc_pow2() { pow2[0]=1; for(ll i=1;i<63;i++) pow2[i]=2*pow2[i-1]; }*/ ll modularExponentiation(ll x,ll n,ll M) { ll result=1; while(n>0) { if(n % 2 ==1) result=modpro(result,x); x=modpro(x,x); n=n/2; } return result; } ll binaryExponentiation(ll x,ll n) { ll result=1; while(n>0) { if(n % 2 ==1) result=result * x; x=x*x; n=n/2; } return result; } ll pow1(ll x,ll y) { ll z=1; while(y--){z=z*x;} return z; } /*bool isprime(ll n) { // Corner cases if (n <= 1) return false; if (n <= 3) return true; // This is checked so that we can skip // middle five numbers in below loop if (n % 2 == 0 || n % 3 == 0) return false; for (int i = 5; i * i <= n; i = i + 6) if (n % i == 0 || n % (i + 2) == 0) return false; return true; }*/ // Returns n^(-1) mod p ll modInverse(ll n, ll p) { return modularExponentiation(n, p - 2, p); } // Returns nCr % p using Fermat's little // theorem. unsigned long long nCrModPFermat(unsigned long long n, ll r, ll p) { // Base case if (r == 0) return 1; // Fill factorial array so that we // can find all factorial of r, n // and n-r return (fac[n] * modInverse(fac[r], p) % p * modInverse(fac[n - r], p) % p) % p; } ll check(ll x,ll y) { ll z=1; ll ans=0; while(z<x){ans++;z*=y;} return ans; } ll countbits(ll n) { ll x=0; while(n>0) { x++; n=(n&(n-1)); } return x; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); ll n;cin>>n; vector <ll> a(n); f(i,n) cin>>a[i]; if(n==1) cout<<a[0]; else { ll dp[n][2]; ll countp[n]; ll countn[n]; countp[1]=countn[1]=1; dp[1][0]=a[1]; dp[1][1]=-1*a[1]; ll sum=0; for(ll i=2;i<n;i++) { countp[i]=modsum(countp[i-1],countn[i-1]); countn[i]=countp[i-1]; dp[i][0]=modsum(sum,modpro(countp[i],a[i])); dp[i][1]=moddif(dp[i-1][0],modpro(countn[i],a[i])); sum=modsum(dp[i][0],dp[i][1]); //cout<<dp[i][0]<<' '<<dp[i][1]<<' '<<sum<<"\n"; } ll num=modsum(countp[n-1],countn[n-1]); num=modpro(num,a[0]); sum=modsum(sum,num); cout<<sum; } }
// Problem : D - Let's Play Nim // Contest : AtCoder - AtCoder Regular Contest 105 // URL : https://atcoder.jp/contests/arc105/tasks/arc105_d // Memory Limit : 1024 MB // Time Limit : 2000 ms // Powered by CP Editor (https://github.com/cpeditor/cpeditor) #include <bits/stdc++.h> using namespace std; int T; int N; int arr[100005]; int main(){ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> T; while(T--){ cin >> N; for(int i = 1; i<=N; i++){ cin >> arr[i]; } sort(arr+1, arr+1+N); if(N%2 == 1){ cout << "Second\n"; } else{ bool secondwin = 1; for(int i = 2; i<=N; i+=2){ if(arr[i] != arr[i-1]){ secondwin = 0; } } if(secondwin){ cout << "Second\n"; } else{ cout << "First\n"; } } } }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; map<int, int> mp; vector<int> v(1 << n, 0); for (int i = 0; i < 1 << n; i ++ ) { int x; scanf("%d", &x); v.push_back(x); mp[x] = i; } for (int i = 0; i < n - 1; i ++ ) { vector<int> a; for (int j = 0; j < v.size(); j += 2) a.push_back(max(v[j], v[j + 1])); v = a; } cout << mp[min(v[v.size() - 2], v[v.size() - 1])] + 1 << endl; return 0; }
#include <iostream> #include <cstring> #include <cstdio> #include <algorithm> #include <cmath> #define Rint register int #define INF 0x3f3f3f3f using namespace std; typedef long long lxl; const int maxn=1e5+5; template <typename T> inline void read(T &x) { x=0;T 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-'0';ch=getchar();} x*=f; } int n,k; lxl ans; int main() { #ifndef ONLINE_JUDGE freopen("B.in","r",stdin); freopen("B.out","w",stdout); #endif read(n),read(k); for(int i=2;i<=(n<<1);++i) { int j=i-k; if((j<2)||(j>(n<<1))) continue; ans+=1ll*(2*min(n,i-1)-i+1)*(2*min(n,j-1)-j+1); } printf("%lld\n",ans); return 0; }
#include <bits/stdc++.h> #define REP(i, n) for (int i = 0; (i) < (int)(n); ++ (i)) #define REP3(i, m, n) for (int i = (m); (i) < (int)(n); ++ (i)) #define REP_R(i, n) for (int i = (int)(n) - 1; (i) >= 0; -- (i)) #define REP3R(i, m, n) for (int i = (int)(n) - 1; (i) >= (int)(m); -- (i)) #define ALL(x) ::std::begin(x), ::std::end(x) using namespace std; int64_t solve(int64_t X) { // TODO: edit here return 100-X%100; } // generated by oj-template v4.7.2 (https://github.com/online-judge-tools/template-generator) int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); constexpr char endl = '\n'; int64_t X; cin >> X; auto ans = solve(X); cout << ans << endl; return 0; }
#include <bits/stdc++.h> #define FAST ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); typedef long long ll; typedef long double ld; #define pb push_back #define mp make_pair #define ff first #define ss second #define mod 1000000007 #define pii pair<ll,ll> #define inf 1000000000000000000 #define bpc(x) __builtin_popcountll(x) #define autoit(x,it) for(auto it = x.begin(); it != x.end(); it++) #define autoitr(x,it) for(auto it = x.rbegin(); it != x.rend(); it++) #define rep(n) for(ll i = 0; i < n; i++) #define repi(i,n) for(ll i = 0; i < n; i++) #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set tree<ll, null_type,less<ll>, rb_tree_tag,tree_order_statistics_node_update> using namespace std; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); class ops { public: ll cx, cy, sx, sy; bool sw; ops() { cx = 0, cy = 0, sx = 1, sy = 1; sw = 0; } void t1() { swap(cx,cy); swap(sx,sy); sy = -sy; sw^=1; cy = -cy; } void t2() { swap(cx,cy); swap(sx,sy); sx = -sx; sw^=1; cx = -cx; } void t3(ll p) { sx = -sx; cx = -cx + 2*p; } void t4(ll p) { sy = -sy; cy = -cy + 2*p; } pii get(pii pt) { if(sw) swap(pt.ff, pt.ss); pt.ff = pt.ff*sx + cx; pt.ss = pt.ss*sy + cy; return pt; } void conv(ll ty, ll p = -1) { if(ty == 1) t1(); else if(ty == 2) t2(); else if(ty == 3) t3(p); else t4(p); } }; int main() { FAST/**/ ll n; cin>>n; pii arr[n]; rep(n) cin>>arr[i].ff>>arr[i].ss; ll m; cin>>m; pii op[m]; rep(m) { cin>>op[i].ff; if(op[i].ff>2) cin>>op[i].ss; } ll q; cin>>q; pair<pii,ll> quer[q]; rep(q) cin>>quer[i].ff.ff>>quer[i].ff.ss, quer[i].ss = i; ops ds; sort(quer,quer+q); ll ptr = 0; pii ans[q]; rep(q) { while(ptr<m && quer[i].ff.ff-1>=ptr){ //cout<<"applying "<<ptr+1<<' '<<op[ptr].ff<<'\n'; ds.conv(op[ptr].ff, op[ptr].ss), ptr++; //cout<<ds.cx<<" "<<ds.cy<<" "<<ds.sx<<" "<<ds.sy<<'\n'; } pii pt = ds.get(arr[quer[i].ff.ss-1]); ans[quer[i].ss] = pt; } rep(q) cout<<ans[i].ff<<" "<<ans[i].ss<<'\n'; return 0; }
#include <bits/stdc++.h> using namespace std; #define INF (1 << 30) #define EPS 1e-10 #define MOD 1000000007 #define rep(i, n) FOR(i, 0, n) #define FOR(i, x, n) for (int i = (x); i < (n); ++i) #define all(v) (v).begin(), (v).end() using ll = long long; template<class T> bool chmax(T& a, T b){ if (a < b) { a = b; return true; } return false; } template<class T> bool chmin(T& a, T b){ if (a > b) { a = b; return true; } return false; } int dp[1 << 17][17]; int main() { int n; int x[17], y[17], z[17], d[17][17]; cin >> n; for (int i = 0; i < n; ++i) { cin >> x[i] >> y[i] >> z[i]; } fill(d[0], d[n], INF); for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { d[i][j] = abs(x[i] - x[j]) + abs(y[i] - y[j]) + max(0, z[j] - z[i]); } } for (int k = 0; k < n; ++k) { for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { chmin(d[i][j], d[i][k] + d[k][j]); } } } fill(dp[0], dp[1 << n], INF); dp[0][0] = 0; for (int i = 0; i < (1 << n); ++i) { for (int u = 0; u < n; ++u) { for (int v = 0; v < n; ++v) { if (!(i >> v & 1)) { chmin(dp[i | (1 << v)][v], dp[i][u] + d[u][v]); } } } } cout << dp[(1 << n) - 1][0] << endl; return 0; }
#include <bits/stdc++.h> using namespace std; //#pragma GCC optimize("Ofast") //#pragma GCC optimize ("unroll-loops") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #define FastIO() ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define read() freopen("in.txt","r",stdin) #define write() freopen("out.txt","w",stdout) typedef long long ll; typedef unsigned long long ull; typedef double dbl; typedef float flt; 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; #define pie acos(-1) #define mp make_pair #define pb push_back #define eb emplace_back #define ff first #define ss second #define MAX 300005 #define MOD 1000000007 #define INF 1000000100 #define for0(i, n) for(ll i=0; i<n; i++) #define for1(i, n) for(ll i=1; i<=n; i++) #define forab(i, a, b) for(ll i=a; i<=b; i++) #define forabx(i, a, b, x) for(ll i=a; i<=b; i+=x) #define forinv(i, a, b) for(ll i=a; i>=b; i--) #define clr0(a) memset(a, 0, sizeof(a)) #define ceil(x, y) (x+y-1) / (y) #define max3(a, b, c) max(a, max(b, c)) #define min3(a, b, c) min(a, min(b, c)) #define gcd(a, b) __gcd(a, b) #define lcm(a, b) ((a * b) / __gcd(a, b)) #define sort1(a, x, y) sort(a+x, a+y+1) #define debug(x) cout << "DEBUG " << x << endl; #define Y() cout << "YES" << endl; #define N() cout << "NO" << endl; #define inArr(a, x, y) forab(i, x, y) { cin >> a[i]; } #define outArr(a, x, y) forab(i, x, y) { cout << a[i] << " "; } cout << endl; void solve() { ll n; cin >> n; ll t[n+10], l[n+10], r[n+10]; for1(i, n) { cin >> t[i] >> l[i] >> r[i]; } ll ans = 0; for1(i, n-1) { forab(j, i+1, n) { ll l1, r1, l2, r2; if (t[i]==1) { l1 = l[i]*10; r1 = r[i]*10; } else if (t[i]==2) { l1 = l[i]*10; r1 = r[i]*10 - 1; } else if (t[i]==3) { l1 = l[i]*10 + 1; r1 = r[i]*10; } else if (t[i]==4) { l1 = l[i]*10 + 1; r1 = r[i]*10 - 1; } if (t[j]==1) { l2 = l[j]*10; r2 = r[j]*10; } else if (t[j]==2) { l2 = l[j]*10; r2 = r[j]*10 - 1; } else if (t[j]==3) { l2 = l[j]*10 + 1; r2 = r[j]*10; } else if (t[j]==4) { l2 = l[j]*10 + 1; r2 = r[j]*10 - 1; } if ( (l1>=l2 && l1<=r2) || (l2>=l1 && l2<=r1) || (r1>=l2 && r1<=r2) || (r2>=l1 && r2<=r1) ) { ans ++; //cout << "ANSWER ++ FOR " << i << " " << j << endl; } } } cout << ans << endl; } void testcase() { ll t; cin >> t; while (t--) { solve(); } } int main () { FastIO() //testcase(); solve(); return 0; }
#include<bits/stdc++.h> using namespace std; #pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") /* // Ordered Set #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; typedef tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> ordered_set; #define os_find(k) find_by_order(k) #define os_order(k) order_of_key(k) */ typedef long long int ll; typedef unsigned long long int ull; typedef long double ld; typedef vector<int> vi; #define f0(i,a,b) for(int i=a;i<b;i++) #define f1(i,a,b) for(int i=a;i<=b;i++) #define f2(i,a,b) for(int i=a;i>b;i--) #define f3(i,a,b) for(int i=a;i>=b;i--) #define all(a) a.begin(),a.end() #define pb push_back #define mp make_pair #define pii pair<int,int> #define int long long #define fi first #define se second #define mod 998244353//1000000007 #define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define make_graph(k) int x,y; f0(i,0,k){cin>>x>>y; adj[x].pb(y); adj[y].pb(x);} #define test int t;cin>>t;while(t--) int fact[300000]; int binExp(int x,int n) { int res=1; while(n) { if(n&1) res=(res*x)%mod; x=(x*x)%mod; n>>=1; } return res; } int modInv(int i) {return binExp(i,mod-2);} int ncr(int n,int r) {return (n>=r?(fact[n]*modInv(fact[r]))%mod*modInv(fact[n-r])%mod:0);} signed main() { fast int a,b,c,d; cin>>a>>b>>c>>d; cout<<a*d-b*c; }
#include <bits/stdc++.h> using namespace std; #define int long long #define endl "\n" #define MOD 1000000007 #define INF LLONG_MAX #define MINF LLONG_MIN #define FASTIO ios_base::sync_with_stdio(false);cin.tie(NULL); cout.tie(NULL); #define vi vector<int> #define vvi vector<vector<int>> #define pii pair<int, int> #define mii map<int, int> #define si set<int> int pow(int x, int y, int mod) { int temp; if (y == 0) return 1; temp = (pow(x, y / 2, mod)) % mod; if (y % 2 == 0) return (temp * temp) % mod; else return (((x * temp) % mod) * temp) % mod; } int score(vector<int> &v) { int ans = 0; for(int i = 1; i <= 9; i ++) { ans += i * pow(10, v[i]); } return ans; } void solve(int tno) { int k; cin >> k; vector<int> cards(10, k); string S, T; cin >> S >> T; vector<int> t(10, 0), a(10, 0); for(char ch : S) { if(ch == '#') continue; t[ch - '0'] ++; cards[ch - '0'] --; } for(char ch : T) { if(ch == '#') continue; a[ch - '0'] ++; cards[ch - '0'] --; } int taka = 0, aoki = 0; for(int i = 1; i <= 9; i ++) { for(int j = 1; j <= 9; j ++) { if(i == j || cards[i] == 0 || cards[j] == 0) continue; t[i] ++; a[j] ++; if(score(t) > score(a)) taka += cards[i] * cards[j]; else aoki += cards[i] * cards[j]; t[i] --; a[j] --; } } for(int i = 1; i <= 9; i ++) { if(cards[i] < 2) continue; t[i] ++; a[i] ++; if(score(t) > score(a)) { taka += cards[i] * (cards[i] - 1); } else { aoki += cards[i] * (cards[i] - 1); } t[i] --; a[i] --; } // cout << taka << ' ' << (taka + aoki) << endl; printf("%.15lf\n", (taka * 1.0) / (taka + aoki)); } int32_t main() { FASTIO #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int t; // cin >> t; t = 1; for (int i = 1; i <= t; i ++) solve(i); }
//#pragma GCC optimize ("Ofast") //#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") #include "bits/stdc++.h" using namespace std; #define ll long long #define pb push_back #define all(_obj) _obj.begin(),_obj.end() #define F first #define S second #define INF 1e18 #define pll pair<ll, ll> #define vll vector<ll> ll n,m,a,b,c,k,temp,x,y; const int MAXN=1e5+11,mod=1e9+7; ll max(ll a,ll b) {return ((a>b)?a:b);} ll min(ll a,ll b) {return ((a>b)?b:a);} vll read(int n) {vll v(n);for (int i = 0; i < v.size(); i++)cin>>v[i];return v;} mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); ll power(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} ll modInverse(ll a){return power(a,mod-2);} void sol(void) { cin>>n>>m; string s[n]; vector<int> r[n]; vector<int> c[m]; int rp[n]={0}; int colp[m]={0}; int cnt=0; for(int i=0;i<n;i++) { cin>>s[i]; for(int j=0;j<m;j++) { if(s[i][j]=='#') r[i].pb(j),c[j].pb(i); else cnt++; } } ll ans=0; ll cc; temp=power(2,cnt); for(int i=0;i<n;i++) { for(int j=0;j<m;j++) { if(s[i][j]=='#') continue; while(rp[i]<r[i].size() && r[i][rp[i]]<j) rp[i]++; int right=((rp[i]<r[i].size())?r[i][rp[i]]:m); int left=-1; if(rp[i]>0) left=r[i][rp[i]-1]; ll calc=temp+mod; cc=right-left-1; int up=-1; int down=n; while(colp[j]<c[j].size() && c[j][colp[j]]<i) colp[j]++; if(colp[j]<c[j].size()) down=c[j][colp[j]]; if(colp[j]>0) up=c[j][colp[j]-1]; cc+=down-up-1; cc--; ll calc2=(power(2,cnt-cc)); calc-=calc2; calc%=mod; ans+=calc; ans%=mod; } } cout<<ans; return ; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int test=1; //cin>>test; for(int i=1;i<=test;i++) sol(); }
/* author : aryan57 created : 29-May-2021 18:09:38 IST */ #include <bits/stdc++.h> using namespace std; template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; } template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; } void dbg_out() { cerr << endl; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } #ifndef ONLINE_JUDGE #define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__) #else #define dbg(...) #endif #define int long long #define X first #define Y second #define pb push_back #define sz(a) ((int)(a).size()) #define all(a) (a).begin(), (a).end() #define F(i, a, b) for (int i = a; i <= b; i++) #define RF(i, a, b) for (int i = a; i >= b; i--) const int mxn = 1e5; const long long INF = 2e18; const int32_t M = 1000000007; // const int32_t M = 998244353; const long double pie = acos(-1); void solve_LOG() { int n; cin>>n; vector <int> v[3]; F(i,0,2*n-1) { int a; cin>>a; char x; cin>>x; if(x=='R')v[0].push_back(a); if(x=='G')v[1].push_back(a); if(x=='B')v[2].push_back(a); } if(sz(v[0])%2==0 && sz(v[1])%2==0 && sz(v[2])%2==0) { cout<<0; cout<<"\n"; return; } int x=-1; F(i,0,2) { if(sz(v[i])%2==0) { x=i; break; } } assert(x!=-1); if(x==1) { swap(v[1],v[2]); } if(x==0) { swap(v[0],v[2]); } sort(all(v[0])); sort(all(v[1])); int ans=INF; for(int x : v[0]) { int pos=lower_bound(all(v[1]),x)-v[1].begin(); F(i,pos-3,pos+3) { if(i<0 || i>=sz(v[1]))continue; ans=min(abs(x-v[1][i]),ans); } } assert(ans!=INF); vector<pair<int,int> > vec(sz(v[2])); int mnx=INF; int mnx_pos=-1; int mny=INF; int mny_pos=-1; F(j,0,sz(v[2])-1) { int pos=lower_bound(all(v[0]),v[2][j])-v[0].begin(); int mn=INF; F(i,pos-3,pos+3) { if(i<0 || i>=sz(v[0]))continue; mn=min(abs(v[2][j]-v[0][i]),mn); } // assert(mn!=INF); vec[j].X=mn; if(mnx>mn) { mnx=mn; mnx_pos=j; } pos=lower_bound(all(v[1]),v[2][j])-v[1].begin(); mn=INF; F(i,pos-3,pos+3) { if(i<0 || i>=sz(v[1]))continue; mn=min(abs(v[2][j]-v[1][i]),mn); } // assert(mn!=INF); vec[j].Y=mn; if(mny>mn) { mny=mn; mny_pos=j; } } if(mnx_pos!=mny_pos) { ans=min(ans,mnx+mny); }else { F(i,0,sz(vec)-1) { if(i!=mnx_pos)ans=min(ans,mnx+vec[i].Y); if(i!=mny_pos)ans=min(ans,mny+vec[i].X); } } cout<<ans; } signed main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); #ifndef ONLINE_JUDGE // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); #endif #ifdef ARYAN_SIEVE sieve(); #endif #ifdef ARYAN_SEG_SIEVE segmented_sieve(); #endif #ifdef ARYAN_FACT fact_init(); #endif // cout<<fixed<<setprecision(10); int _t=1; // cin>>_t; for (int i=1;i<=_t;i++) { // cout<<"Case #"<<i<<": "; solve_LOG(); } return 0; } // parsed : 29-May-2021 18:09:30 IST
//#pragma GCC optimize(3) #include<bits/stdc++.h> #define SZ(x) ((int)x.size()) #define uni(x) sort(all(x)),x.resize(unique(all(x))-x.begin()); #define GETPOS(c,x) (lower_bound(all(c),x)-c.begin()) #define lown1(x,val) low(in(x),val)-x #define lowm1(x,val) low(im(x),val)-x #define low1(x,nums,val) low(x+1,x+nums+1,val)-x #define mst(x,val) memset((x),val,sizeof((x))) #define ls rt<<1 #define rs rt<<1|1 #define lson rt<<1,l,M #define rson rt<<1|1,M+1,r #define PI acos(-1) #define MM int M=(l+r)>>1; #define fu(i,r,t) for(int i=r;i<=t;i++) #define fd(i,r,t) for(int i=r;i>=t;i--) #define fh(i,be,e) for(int i=head[be];~i;i=e[i].next) #define fa(i,V) for(auto i:V) #define far(i,V) for(auto &i:V) #define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define lcm(a,b) ((a)*(b))/__gcd(a,b) #define cp(i,ans) printf("%.if",ans); #define cpp(i,ans) cout<<setprecision(i)<<fixed<<ans<<endl; #define ppb pop_back #define ppf pop_front #define pb push_back #define pf push_front #define pq priority_queue #define lowbit(x) ((x)&(-x)) #define all(V) V.begin(),V.end() #define ms multiset #define mod(x) (((x)<0)?(x)%mo_num+mo_num:(x)%mo_num) #define vc vector #define vct vector<int> #define SET set<int> #define dq deque<int> #define out(i) cout<<(i)<<endl; #define fi first #define se second #define fun(i) fu(i,1,n) #define fut(i) fu(i,1,t) #define fum(i) fu(i,1,m) #define ld long double #define umap unordered_map #define Umap unordered_map<int,int> #define P pair<int,int> #define mk make_tuple #define eps 1e-6 //Remember cancel"#define endl '\n'" in interactive questions or use "<<flush" #define endl '\n' #define low lower_bound #define upp upper_bound #define yn(key) out(key?"YES":"NO") //#define yn(key) out(key?"Yes":"No") #define in(i) i+1,i+1+n #define im(i) i+1,i+1+m #define ik(i,k) i+1,i+1+k #define bffs(i) __builtin_ffs(i) #define bcount(i) __builtin_popcount(i) #define bone(i) ((1<<i)-1) #define db double #define ll long long #define got(container,num) get<num-1>(container) #define int long long #define print(a,n) fun(i)cout<<a[i]<<(i!=n?' ':endl); #define outcase(x) cout<<"Case #"<<(++case_of_T)<<": "<<(x)<<endl; #define ptcase(x) printf("Case #%d: %d\n",++case_of_T,x); #define plcase(x) printf("Case #%lld: %lld\n",++case_of_T,x); using namespace std; //Remember to cancel the line below and declare INT=INT_MAX/2; when you want to change long to int const int INF=LLONG_MAX/4,SINF=0x3f3f3f3f,Lim=1<<20,MINF=LLONG_MAX; //const int INF=INT_MAX/4,SINF=0x3f; // use C:printf("%.16f", x); -> printf("%.10f", x); can accelerate the program const int dx[]={0,0,-1,1},dy[]={-1,1,0,0};//down up left right const int maxn=1e6+1e5; int mo_num=1e9+7; //const int mo_num=998244353; int n,m,t,a[maxn],b[maxn],ans,case_of_T; void solve() { cin>>n; fun(i)cin>>a[i]; int now=0; fu(i,2,1000) { int num=0; fun(j)num+=a[j]%i==0; if(num>now) { now=num;ans=i; } } out(ans) return ; } main() { IOS int T=1; //cin>>T; while(T--)solve(); return 0; }
#include<bits/stdc++.h> using namespace std; # define ll long long # define read read1<ll>() # define Type template<typename T> Type T read1(){ T t=0; char k; bool vis=0; do (k=getchar())=='-'&&(vis=1);while('0'>k||k>'9'); while('0'<=k&&k<='9')t=(t<<3)+(t<<1)+(k^'0'),k=getchar(); return vis?-t:t; } # define fre(k) freopen(k".in","r",stdin);freopen(k".out","w",stdout) const int N=90; ll fib[135],s; vector<pair<int,int> >ans; int main(){s=read; fib[1]=fib[0]=1; for(int i=2;i<=N;++i)fib[i]=fib[i-1]+fib[i-2]; if(s==1)return printf("1\n1"),0; vector<int>ve; for(int i=N;i&&s;--i) if(fib[i]<=s){ ve.push_back(i); s-=fib[i]; } for(int i=1;i<ve.size();++i) if(ve[0]-ve[i]&1) ans.push_back(make_pair(ve[0]-ve[i],1)); else ans.push_back(make_pair(ve[0]-ve[i],2)); for(int i=1;i<ve[0];++i) ans.push_back(make_pair(i,i&1?4:3)); ans.push_back(make_pair(-1,1)); ans.push_back(make_pair(-1,2)); sort(ans.begin(),ans.end()); if(~ve[0]&1) for(int i=0;i<ans.size();++i) if(ans[i].second<=2)ans[i].second=3-ans[i].second; else ans[i].second=7-ans[i].second; cout<<ans.size()<<endl;ll l=0,r=0; for(int i=0;i<ans.size();++i)printf("%d\n",ans[i].second)/*,ans[i].second==1?++l:ans[i].second==2?++r:ans[i].second==3?l+=r:r+=l*/; // cout<<l<<' '<<r<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int N = 101; int dp[N][N * N * N], cnt[N]; int n, k, mod; void upd(int & var, int val) { var += val; if (var >= mod) var -= mod; } int main() { scanf("%d %d %d", &n, &k, &mod); dp[0][0] = 1; int sum = 0; for (int x = 1; x <= n; ++x) { memset(cnt, 0, sizeof cnt); sum += k * x; int full = k * x; for (int j = 0, z = 0; j <= sum; ++j) { int now = dp[x-1][j]; upd(cnt[z], now); dp[x][j] = cnt[z]; if (j >= full) { upd(cnt[z], mod - dp[x-1][j-full]); } ++z; if (z >= x) z -= x; } } for (int i = 1; i <= n; ++i) { int lef = i - 1, rig = n - i; long long ans = 0; for (int j = 0; j <= sum; ++j) { ans = (ans + 1LL * dp[lef][j] * dp[rig][j]) % mod; } ans = (ans * (k+1) - 1) % mod; if (ans < 0) ans += mod; printf("%lld\n", ans); } return 0; }
#include <cstdio> const int maxn=100+10; struct E{ int to; int next; }ed[maxn*maxn*2]; int head[maxn]; int tot; void J(int a,int b){ ed[++tot].to=b; ed[tot].next=head[a]; head[a]=tot; } int en; int vis[maxn]; int ans; void Dfs(int x){ if(x==en+1){ ans++; return; } if(!head[x]){ Dfs(x+1); return; } for(int i=head[x];i;i=ed[i].next){ if(vis[ed[i].to]){ Dfs(x+1); return; } } Dfs(x+1); vis[x]=1; Dfs(x+1); vis[x]=0; } long long gcd(long long a,long long b){ return b?gcd(b,a%b):a; } int main(){ long long a,b; scanf("%lld%lld",&a,&b); en=b-a+1; for(int i=1;i<=b-a+1;i++) for(int j=1;j<=b-a+1;j++){ if(i==j) continue; if(gcd(a+i-1,a+j-1)!=1){ J(i,j); J(j,i); } } Dfs(1); int ha=0; for(int i=1;i<=b-a+1;i++) if(!head[i]) ha++; printf("%lld",1ll*ans*(1ll<<ha)); return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long int const MAXN = 1 << 21; int n, m, T; int p[30], cnt; int dp[MAXN]; void init() { for (int i = 2; i < 72; i++) { int f = 1; for (int j = 2; j * j <= i; j++) { if (i % j == 0) { f = 0; break; } } if (f) p[cnt++] = i; } } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int A, B; cin >> A >> B; init(); dp[0] = 1; for (int x = A; x <= B; x++) { int bit = 0; for (int i = 0; i < cnt; i++) if (x % p[i] == 0) bit |= (1 << i); for (int i = 0; i < (1 << cnt); i++) if (!(bit & i)) { dp[bit | i] += dp[i]; } } int ans = 0; for (int i = 0; i < (1 << cnt); i++) ans += dp[i]; cout << ans; return 0; }
# include <bits/stdc++.h> # ifndef ngng628_library # define ngng628_library # define int long long # define float long double # define fi first # define se second # define rep(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i) # define reps(i,n) for(int i=1, i##_len=(n); i<=i##_len; ++i) # define rrep(i,n) for(int i=((int)(n)-1); i>=0; --i) # define rreps(i,n) for(int i=((int)(n)); i>0; --i) # define repr(i,b,e) for(int i=(b), i##_len=(e); i<i##_len; ++i) # define reprs(i,b,e) for(int i=(b), i##_len=(e); i<=i##_len; ++i) # define all(x) std::begin(x), std::end(x) # define rall(x) std::rbegin(x), std::rend(x) # define pb push_back # define eb emplace_back # define len(x) ((int)(x).size()) using namespace std; template<class T> using vec = vector<T>; using pii = pair<int, int>; using vi = vec<int>; using vvi = vec<vi>; using db = deque<bool>; using ddb = deque<db>; using vs = vec<string>; constexpr int INF = (1LL<<62)-(1LL<<31); constexpr float EPS = 1e-10; template<class T> istream& operator>>(istream& is, vec<T>& v) { for (auto& x : v) is >> x; return is; } template<class T, class U> istream& operator>>(istream& is, pair<T, U>& p) { return is >> p.fi >> p.se; } template<class T> string join(const vec<T> &v){ stringstream s; rep (i, len(v)) s<<' '<<v[i]; return s.str().substr(1); } template<class T> ostream& operator<<(ostream& os, const vec<T>& v){ if (len(v)) os << join(v); return os; } template<class T> ostream& operator<<(ostream& os, const vec<vec<T>>& v){ rep (i, len(v)) if (len(v[i])) os << join(v[i]) << (i-len(v)+1 ? "\n" : ""); return os; } template<class T, class U> ostream& operator<<(ostream& os, const pair<T, U>& p){ return os << p.fi << " " << p.se; } template<class T, class U, class V> ostream& operator<<(ostream& os, const tuple<T, U, V>& t){ return os << get<0>(t) << " " << get<1>(t) << " " << get<2>(t); } void print(){ cout << "\n"; } template<class T, class... A>void print(const T& v, const A&...args){ cout << v; if(sizeof...(args))cout << " "; print(args...); } void eprint() { cerr << "\n"; } template<class T, class... A>void eprint(const T& v, const A&...args){ cerr << v; if(sizeof...(args))cerr << " "; eprint(args...); } void drop(){ cout << "\n"; exit(0); } template<class T, class... A>void drop(const T& v, const A&...args){ cout << v; if(sizeof...(args))cout << " "; drop(args...); } template<class T> constexpr bool chmax(T &a, const T& b) { return a < b && (a = b, true); } template<class T> constexpr bool chmin(T &a, const T& b) { return a > b && (a = b, true); } constexpr int ctoi(const char c) { return ('0' <= c and c <= '9') ? (c - '0') : -1; } struct Setup_io { Setup_io() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0), cerr.tie(0); cout << fixed << setprecision(15); } } setup_io; # endif // ngng628_library vi divisor(int n) { vi v; for (int i = 1; i*i <= n; i++) { if (n % i == 0) { v.pb(i); if (i*i != n) v.pb(n / i); } } sort(all(v)); return v; } struct Solver { void solve() { int n; cin >> n; if (n % 2 == 0 and (n / 2) & 1) { print("Same"); } else if (n % 2 == 0) { print("Even"); } else { print("Odd"); } } }; int32_t main() { int t; cin >> t; while (t--) { Solver solver; solver.solve(); } }
#include <bits/stdc++.h> using namespace std; #define REP(i, n) for (int i = 0; i < (int)(n); i++) #define RREP(i, n) for (int i = n - 1; i >= 0; i--) #define FOR(i, a, b) for (int i = (a); i < (b); i++) #define INF 1000000000000 typedef long long ll; int main() { int n, cnt = 0; cin >> n; string t; cin >> t; if (n == 1) { if (t == "0") { cout << 10000000000 << endl; } else { cout << 2 * 10000000000 << endl; } } else if (n == 2) { if ((t == "11") || (t == "10")) { cout << 10000000000 << endl; } else if (t == "01") { cout << 10000000000 - 1 << endl; } else { cout << 0 << endl; } } else { REP(i, t.length() - 2) { if ((t[i] == '0' && t[i + 1] == '1' && t[i + 2] == '0') || (t[i] == '1' && t[i + 1] == '1' && t[i + 2] == '1') || (t[i] == '0' && t[i + 1] == '0' && t[i + 2] == '1') || (t[i] == '1' && t[i + 1] == '0' && t[i + 2] == '0') || (t[i] == '0' && t[i + 1] == '0' && t[i + 2] == '0')) { cout << 0 << endl; return 0; } } REP(i, t.length()) { if (t[i] == '0') { cnt++; } } if (t[t.length() - 1] == '0') { cout << 10000000000 - cnt + 1 << endl; } else { cout << 10000000000 - cnt << endl; } } }
#include <bits/stdc++.h> #define pb push_back #define mp make_pair #define fir first #define sec second typedef long long ll; using namespace std; ll n; void solve() { cin >> n; int cnt = 0; while(n%2==0) { n/=2; cnt++; } if(cnt==1) cout << "Same" << endl; else if(cnt==0) cout << "Odd" << endl; else cout << "Even" << endl; return; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int tc=1; cin>>tc; for(int i=1;i<=tc;i++) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; long long n, t; int main() { ios_base::sync_with_stdio(false); cin>>t; while (t--) { cin>>n; if (n%2==1) cout<<"Odd"<<"\n"; else if ((n/2)%2==1) cout<<"Same"<<"\n"; else cout<<"Even"<<"\n"; } }
#include<iostream> #include <cstdio> #include <algorithm> #include <cmath> #include <string> #include <vector> #include <set> #include <map> #include <unordered_map> #include <queue> #include <cstring> #include <cassert> using namespace std; using LL = long long; #define FOR(i, x, y) for (decay<decltype(y)>::type i = (x), _##i = (y); i < _##i; ++i) #define FORD(i, x, y) for (decay<decltype(x)>::type i = (x), _##i = (y); i > _##i; --i) #ifdef zerol #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 //#define L_JUDGE #ifdef L_JUDGE #pragma warning(disable:4996) #endif using namespace std; inline int read() { int x = 0, f = 1; char ch = getchar(); while(ch > '9' || ch < '0') { if(ch == '-') f = -1; ch = getchar(); } do x = x * 10 + ch - 48, ch = getchar(); while(ch >= '0' && ch <= '9'); return x * f; } LL bin(LL x, LL n, LL MOD) { LL ret = MOD != 1; for (x %= MOD; n; n >>= 1, x = x * x % MOD) if (n & 1) ret = ret * x % MOD; return ret; } inline LL get_inv(LL x, LL p) { return bin(x, p - 2, p); } const int MOD=1e9+7; const int MAXN=2010; char G[MAXN][MAXN]; LL H, W; LL d[MAXN][MAXN]; void Solve(){ cin>>H>>W; int cnt=0; for(int i=0;i<H;i++){ cin>>G[i]; for(int j=0;j<W;j++){ if(G[i][j]=='.')cnt++; } } memset(d, 0, sizeof(d)); for(int ri=0;ri<H;ri++){ int l[MAXN], r[MAXN]; int a=-1, b=W; for(int ci=0;ci<W;ci++){ if(G[ri][ci]=='#'){ a=ci; } l[ci]=a; } for(int ci=W-1;ci>=0;ci--){ if(G[ri][ci]=='#'){ b=ci; } r[ci]=b; } for(int ci=0;ci<W;ci++){ if(r[ci]-1>=l[ci]+1) d[ri][ci]+=(r[ci]-1-l[ci]-1); } } for(int ci=0;ci<W;ci++){ int l[MAXN], r[MAXN]; int a=-1,b=H; for(int ri=0;ri<H;ri++){ if(G[ri][ci]=='#'){ a=ri; } l[ri]=a; } for(int ri=H-1;ri>=0;ri--){ if(G[ri][ci]=='#'){ b=ri; } r[ri]=b; } for(int ri=0;ri<H;ri++){ if(r[ri]-1>=l[ri]+1) d[ri][ci]+=(r[ri]-1-l[ri]); } } LL ans=0; for(int ri=0;ri<H;ri++){ for(int ci=0;ci<W;ci++){ if(G[ri][ci]=='#')continue; ans = ans+bin(2, cnt-d[ri][ci], MOD)*(bin(2, d[ri][ci], MOD)-1)%MOD; ans %= MOD; } } cout<<ans<<endl; } int main(){ #ifdef L_JUDGE freopen("in.txt","r",stdin); // freopen("out.txt","w",stdout); #endif Solve(); return 0; #ifdef L_JUDGE fclose(stdin); fclose(stdout); // system("out.txt"); #endif return 0; }
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<iostream> #include<cstdint> #include<cstddef> #include<vector> //#include<atcoder/all> //using namespace atcoder; using namespace std; using i32 = int_fast32_t; using i64 = int_fast64_t; using usize = uint_fast64_t; #define rep(i, n) for (usize i = 0; i < (usize)(n); i++) #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(),(a).rend() using P = pair<i64,i64>; using i64 = int_fast64_t; constexpr i64 MAX = 10000000; constexpr i64 MOD = 1000000007; i64 fac[MAX], finv[MAX], inv[MAX]; template <i64 modulus> class modcal { public: i64 a; constexpr modcal(const i64 x = 0) noexcept : a(x % modulus) {} constexpr i64 &value() noexcept { return a; } constexpr const i64 &value() const noexcept { return a; } constexpr modcal operator+(const modcal rhs) const noexcept { return modcal(*this) += rhs; } constexpr modcal operator-(const modcal rhs) const noexcept { return modcal(*this) -= rhs; } constexpr modcal operator*(const modcal rhs) const noexcept { return modcal(*this) *= rhs; } constexpr modcal operator/(const modcal rhs) noexcept { return modcal(*this) /= rhs; } constexpr modcal &operator+=(const modcal rhs) noexcept { a += rhs.a; if (a >= modulus) { a -= modulus; } return *this; } constexpr modcal &operator-=(const modcal rhs) noexcept { if (a < rhs.a) { a += modulus; } a -= rhs.a; return *this; } constexpr modcal &operator*=(const modcal rhs) noexcept { a = a * rhs.a % modulus; return *this; } constexpr modcal &operator/=(modcal rhs) noexcept { i64 exp = modulus - 2; while (exp) { if (exp % 2) { *this *= rhs; } rhs *= rhs; exp /= 2; } return *this; } void COMninit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++) { fac[i] = fac[i - 1] * i % modulus; inv[i] = MOD - inv[modulus % i] * (modulus / i) % modulus; finv[i] = finv[i - 1] * inv[i] % modulus; } } i64 COMn(i64 n, i64 k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % modulus) % modulus; } constexpr modcal<1000000007> modpow(const modcal<1000000007> &a, i64 n) { if (n == 0) return 1; auto t = modpow(a, n / 2); t = t * t; if (n & 1) t = t * a; return t; } }; using modc = modcal<1000000007>; i64 Left[2100][2100],Right[2100][2100],Up[2100][2100],Down[2100][2100]; int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); i64 h,w; cin >> h >> w; vector<string> a(h); i64 k = 0; rep(i,h){ cin >> a[i]; rep(j,w){ if(a[i][j] == '.')k++; } } rep(i,h){ i64 cur = 0; rep(j,w){ if(a[i][j] == '#')cur = 0; else cur++; Left[i][j] = cur; } } rep(i,h){ i64 cur = 0; for(i32 j = w - 1; 0 <= j; j--){ if(a[i][j] == '#')cur = 0; else cur++; Right[i][j] = cur; } } rep(j,w){ i64 cur = 0; rep(i,h){ if(a[i][j] == '#')cur = 0; else cur++; Up[i][j] = cur; } } rep(j,w) { i64 cur = 0; for (i32 i = h - 1; i >= 0; i--) { if (a[i][j] == '#')cur = 0; else cur++; Down[i][j] = cur; } } modc ans = 0; rep(i,h){ rep(j,w){ if(a[i][j] == '#')continue; i64 num = Left[i][j] + Right[i][j] + Up[i][j] + Down[i][j] - 3; modc base = 2; ans += ans.modpow(base,k).a; ans -= ans.modpow(base,(k - num)).a; } } cout << ans.a << endl; }
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; #define FOR(i,m,n) for(int i=(m);i<(n);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() using ll = long long; constexpr int INF = 0x3f3f3f3f; constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL; constexpr double EPS = 1e-8; constexpr int MOD = 1000000007; // constexpr int MOD = 998244353; constexpr int dy[] = {1, 0, -1, 0}, dx[] = {0, -1, 0, 1}; constexpr int dy8[] = {1, 1, 0, -1, -1, -1, 0, 1}, dx8[] = {0, -1, -1, -1, 0, 1, 1, 1}; template <typename T, typename U> inline bool chmax(T &a, U b) { return a < b ? (a = b, true) : false; } template <typename T, typename U> inline bool chmin(T &a, U b) { return a > b ? (a = b, true) : false; } struct IOSetup { IOSetup() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); std::cout << fixed << setprecision(20); } } iosetup; template <typename Abelian> struct BIT { BIT(int n, const Abelian ID = 0) : n(n), ID(ID), dat(n, ID) {} void add(int idx, Abelian val) { while (idx < n) { dat[idx] += val; idx |= idx + 1; } } Abelian sum(int idx) const { Abelian res = ID; --idx; while (idx >= 0) { res += dat[idx]; idx = (idx & (idx + 1)) - 1; } return res; } Abelian sum(int left, int right) const { return left < right ? sum(right) - sum(left) : ID; } Abelian operator[](const int idx) const { return sum(idx, idx + 1); } int lower_bound(Abelian val) const { if (val <= ID) return 0; int res = 0, exponent = 1; while (exponent <= n) exponent <<= 1; for (int mask = exponent >> 1; mask > 0; mask >>= 1) { if (res + mask - 1 < n && dat[res + mask - 1] < val) { val -= dat[res + mask - 1]; res += mask; } } return res; } private: int n; const Abelian ID; std::vector<Abelian> dat; }; int main() { int n, m, q; cin >> n >> m >> q; vector<int> t(q), x(q), y(q); REP(i, q) cin >> t[i] >> x[i] >> y[i], --t[i], --x[i]; vector<int> z = y; z.emplace_back(0); sort(ALL(z)); z.erase(unique(ALL(z)), z.end()); int l = z.size(); vector<int> a[2]{vector<int>(n, 0), vector<int>(m, 0)}; BIT<int> num[2]{BIT<int>(l), BIT<int>(l)}; num[0].add(0, n); num[1].add(0, m); BIT<ll> sum[2]{BIT<ll>(l), BIT<ll>(l)}; ll ans = 0; REP(i, q) { int c = t[i], d = t[i] ^ 1, idx = lower_bound(ALL(z), a[c][x[i]]) - z.begin(); ans -= 1LL * num[d].sum(0, idx) * a[c][x[i]]; ans -= sum[d].sum(idx, l); num[c].add(idx, -1); sum[c].add(idx, -a[c][x[i]]); idx = lower_bound(ALL(z), y[i]) - z.begin(); ans += 1LL * num[d].sum(0, idx) * y[i]; ans += sum[d].sum(idx, l); num[c].add(idx, 1); sum[c].add(idx, y[i]); a[c][x[i]] = y[i]; cout << ans << '\n'; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> ii; typedef unsigned long long ull; #define X first #define Y second #define pb push_back #define mp make_pair #define ep emplace_back #define EL printf("\n") #define sz(A) (int) A.size() #define FOR(i,l,r) for (int i=l;i<=r;i++) #define FOD(i,r,l) for (int i=r;i>=l;i--) #define fillchar(a,x) memset(a, x, sizeof (a)) #define faster ios_base::sync_with_stdio(false); cin.tie(NULL); double MIN = 0; int main() { faster; int n; double D, H; cin >> n >> D >> H; FOR(i,1,n) { int d, h; cin >> d >> h; double d1 = D - d, h1 = H - h; double l = (h1 / d1) * D; MIN = max(MIN, H - l); } cout << MIN; return 0; }
#include <algorithm> #include <array> #include <cassert> #include <cctype> #include <cmath> #include <cstdint> #include <cstdio> #include <functional> #include <iomanip> #include <iostream> #include <limits> #include <map> #include <numeric> #include <optional> #include <queue> #include <set> #include <string> #include <string_view> #include <tuple> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; int64_t read_int() { int64_t ret = 0, sgn = 1; int ch = getchar_unlocked(); while (isspace(ch)) { ch = getchar_unlocked(); } if (ch == '-') { sgn = -1; ch = getchar_unlocked(); } for (; isdigit(ch); ch = getchar_unlocked()) ret = (ret * 10) + (ch - '0'); ungetc(ch, stdin); return sgn * ret; } #define REP(i, n) for (int i = 0; i < (int)(n); ++i) #define FOR(i, a, b) for (int i = (int)(a); i < (int)(b); ++i) #define ALL(c) (c).begin(), (c).end() template <typename T> inline void assign_min(T& x, const T& value) noexcept { x = min(x, value); } template <typename T> inline void assign_max(T& x, const T& value) noexcept { x = max(x, value); } constexpr char LF = '\n'; //------------------------------------------------------------------------------------------------- int main() { vector<int64_t> A(4); REP(i, 4) { A[i] = read_int(); } int all_sum = A[0]+A[1]+A[2]+A[3]; bool ok = false; REP(a, 2) REP(b, 2) REP(c, 2) REP(d, 2) { if (a+b+c+d > 0) { int64_t sum = 0; if(a > 0) sum += A[0]; if(b > 0) sum += A[1]; if(c > 0) sum += A[2]; if(d > 0) sum += A[3]; if(sum == all_sum-sum) { ok = true; } } } if (ok) cout << "Yes\n"; else cout << "No\n"; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; const int MAXN = 25; int G[MAXN][MAXN]; int n, m; int dp[(1 << 18) + 10]; int solve(int x) { if (dp[x]) return dp[x]; bool flag = 1; for (int i = 0; i < n; i++) { for (int j = i + 1; j < n; j++) { if (((x >> i) & 1) && ((x >> j) & 1)) { if (!G[i + 1][j + 1]) { flag = 0; break; } } } } if (flag) { return dp[x] = 1; } int res = MAXN; for (int s = x; s > 0; s = (s - 1) & x) { if (s == 0) break; if (s == x) continue; res = min(res, solve(s) + solve(x ^ s)); } return dp[x] = res; } int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= m; i++) { int u, v; scanf("%d%d", &u, &v); G[u][v] = G[v][u] = 1; } // if (m == 0) { // printf("%d\n", n); // return 0; // } int ans = solve((1 << n) - 1); printf("%d\n", ans); return 0; }
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll, ll>; #define rep(i,s,n) for(int i = s; i < (int)(n); i++) #define Rep(i,s,n) for(int i = n; i >= (int)(s); i--) int main() { int n; double d, h; cin >> n >> d >> h; double mk = h / d; rep(i, 0, n) { double a, b; cin >> a >> b; mk = min(mk, (h-b)/(d-a)); } cout << fixed << setprecision(6) << h-mk*d << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; const int N=150; int n,D,H,x[N],y[N]; bool ok(double mid){ double slop=(double)(H-mid)/(double)(D-0); for(int i=0;i<n;i++){ double val=slop*x[i]+mid; if(val<y[i])return false; } return true; } int main() { #ifndef ONLINE_JUDGE freopen("in.txt", "r", stdin); #endif ios_base::sync_with_stdio(0); cin.tie(0); cin>>n>>D>>H; for(int i=0;i<n;i++){ cin>>x[i]>>y[i]; } double l=0,r=H,ans; for(int rep=0;rep<100;rep++){ double mid=(l+r)/2; //cout<<mid<<endl; if(ok(mid)){ ans=mid; r=mid; } else { l=mid; } } cout<<fixed<<setprecision(17)<<ans<<'\n'; }
#include <bits/stdc++.h> #define IOS ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); typedef unsigned long long ll; #define rep(i,n) for(int i=0;i<n;i++) #define gcd(a,b) __gcd(a,b) #define lcm(a,b) (a*b)/gcd(a,b) #define mem1(a) memset(a,-1,sizeof(a)) #define mem0(a) memset(a,0,sizeof(a)) #define vint vector<int> #define pb push_back #define pf push_front #define ppb pop_back #define all(v) v.begin(),v.end() #define pii pair<int,int> #define pic pair<int,char> #define fr first #define sc second #define mp make_pair #define inarr(a,n) for(ll i=0;i<n;i++)cin>>a[i]; #define showarr(a,x,y) for(ll i=x;i<y;i++)cout<<a[i]<<" "; #define PI 3.1415926535897 #define time_passed 1.0 * clock() / CLOCKS_PER_SEC using namespace std; double power(double a,int b) {if(b==0){return 1;}else if(b%2==0){return power(a*a,b/2);}else if(b%2==1){return a*power(a*a,(b-1)/2);}} bool cmp(pair<int,int>a,pair<int ,int> b){return a.second>b.second;} template<typename T1,typename T2>istream& operator>>(istream& in,pair<T1,T2> &a){in>>a.x>>a.y;return in;} template<typename T1,typename T2>ostream& operator<<(ostream& out,pair<T1,T2> a){out<<a.x<<" "<<a.y;return out;} template<typename T,typename T1>T maxs(T &a,T1 b){if(b>a)a=b;return a;} template<typename T,typename T1>T mins(T &a,T1 b){if(b<a)a=b;return a;} /*double f(double x,double Nu,double k){return power(x,k)-Nu;} double fd(double x,double Nu,double k){return k*pow(x,k-1);} double root(int Nu,int k){double ans=9;for(int i=1;i<20;i++){ans=ans-f(ans,Nu,k)/fd(ans,Nu,k);cout<<ans<<" ";}return ans;} */ const ll mod=1e9+7; //const int inf=3e5+5; //const ll inf=1e9+7; int dy[]={-1,0,1,0}; int dx[]={0,1,0,-1}; //vector <int >adj[0]; bool isprime(int n) { if(n==1)return false; if(n==2) return true; for(int i=2;i*i<=n;i++) { if(n%i==0)return false; } return true; } void love_for_infinity() { int a,b,c,d; cin>>a>>b>>c>>d; cout<<min(min(a,b),min(c,d)); } int main() { IOS //freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); #ifdef SIEVE sieve(); #endif #ifdef NCR init(); #endif ll t;t=1;//cin>>t; while(t--){love_for_infinity();cout<<endl;} return 0; }
#include "bits/stdc++.h" #include <ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; using namespace std; #define ub upper_bound #define lb lower_bound #define isrt insert #define clr clear #define rsz resize #define ff first #define ss second #define lli long long int #define pb push_back #define pf push_front #define mkp make_pair #define pii pair<lli,lli> #define vi vector<int> #define mii map<lli,lli> #define pqb priority_queue<int> #define pqs priority_queue<int,vi,greater<int> > #define setbits(x) __builtin_popcountll(x) #define zrobits(x) __builtin_ctzll(x) #define mod 1000000007 #define INF 1e9 #define ps(x,y) fixed<<setprecision(y)<<x #define mk(arr,n,type) type *arr=new type[n]; #define w(x) int x; cin>>x; while(x--) #define all(v) v.begin(),v.end() #define endl "\n" const double PI = acos(-1); typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; lli maxm(lli a, lli b) { return (a >= b ? a : b); } lli minm(lli a, lli b) { return (a <= b ? a : b); } lli power(lli x, lli y, lli p) { lli 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; } #define FMAX 1000010 vector<lli> fact(FMAX, 1); vector<lli> fact_inv(FMAX, 1); lli nCrmodp(lli n, lli r, lli p) { if (r > n) return 0; lli pro = (fact[n] * fact_inv[r]) % p; pro = (pro * fact_inv[n - r]) % mod; return pro; } void precompute() { lli x = 1; for (lli i = 1; i < FMAX; ++i) { x *= i; x %= mod; fact[i] = x; fact_inv[i] = power(x, mod - 2, mod); } } void c_p_c() { precompute(); 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); #endif } int main() { c_p_c(); vector<int>v(4); int ans= 1e9; for (int i = 0; i < 4; ++i) { cin >> v[i]; ans = min(ans, v[i]); } cout << ans << endl; return 0; }
#include<iostream> #include<iomanip> #include<cassert> #include<math.h> #include<complex> #include<algorithm> #include<utility> #include<queue> #include<stack> #include<string.h> #include<string> #include<set> #include<map> #include<unordered_map> #include<functional> #include<vector> #include<bitset> using namespace std; typedef long long ll; typedef pair<ll,ll> L_L; const ll INF=2e18; const ll MOD=1e9+7; const double EPS=1e-9; ll M,H; int main(){ cin>>M>>H; if(H%M==0){ cout<<"Yes"; }else{ cout<<"No"; } return 0; }
#include <bits/stdc++.h> using namespace std; #define INF_LL (int64)1e18 #define INF (int32)1e9 #define REP(i, n) for(int64 i = 0;i < (n);i++) #define FOR(i, a, b) for(int64 i = (a);i < (b);i++) #define all(x) x.begin(),x.end() #define fs first #define sc second using int32 = int_fast32_t; using uint32 = uint_fast32_t; using int64 = int_fast64_t; using uint64 = uint_fast64_t; using PII = pair<int32, int32>; using PLL = pair<int64, int64>; const double eps = 1e-10; template<typename A, typename B>inline void chmin(A &a, B b){if(a > b) a = b;} template<typename A, typename B>inline void chmax(A &a, B b){if(a < b) a = b;} template<typename T> vector<T> make_v(size_t a){return vector<T>(a);} template<typename T,typename... Ts> auto make_v(size_t a,Ts... ts){ return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...)); } template<typename T,typename U,typename... V> typename enable_if<is_same<T, U>::value!=0>::type fill_v(U &u,const V... v){u=U(v...);} template<typename T,typename U,typename... V> typename enable_if<is_same<T, U>::value==0>::type fill_v(U &u,const V... v){ for(auto &e:u) fill_v<T>(e,v...); } template <typename F> class #if defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard) [[nodiscard]] #endif // defined(__has_cpp_attribute) && __has_cpp_attribute(nodiscard) FixPoint final : private F { public: template <typename G> explicit constexpr FixPoint(G&& g) noexcept : F{std::forward<G>(g)} {} template <typename... Args> constexpr decltype(auto) operator()(Args&&... args) const #if !defined(__GNUC__) || defined(__clang__) || __GNUC__ >= 9 noexcept(noexcept(F::operator()(std::declval<FixPoint>(), std::declval<Args>()...))) #endif // !defined(__GNUC__) || defined(__clang__) || __GNUC__ >= 9 { return F::operator()(*this, std::forward<Args>(args)...); } }; // class FixPoint #if defined(__cpp_deduction_guides) template <typename F> FixPoint(F&&) -> FixPoint<std::decay_t<F>>; #endif // defined(__cpp_deduction_guides) namespace { template <typename F> #if !defined(__has_cpp_attribute) || !__has_cpp_attribute(nodiscard) # if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 4) __attribute__((warn_unused_result)) # elif defined(_MSC_VER) && _MSC_VER >= 1700 && defined(_Check_return_) _Check_return_ # endif // defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 4) #endif // !defined(__has_cpp_attribute) || !__has_cpp_attribute(nodiscard) inline constexpr decltype(auto) makeFixPoint(F&& f) noexcept { return FixPoint<std::decay_t<F>>{std::forward<std::decay_t<F>>(f)}; } } // namespace int main(void){ cin.tie(0); ios::sync_with_stdio(false); int64 M, H; cin >> M >> H; if ( H % M == 0) { cout << "Yes" << endl; } else { cout << "No" << endl; } }
#include <bits/stdc++.h> using namespace std; #define fr(i,n) for(int i = 0; i<n; i++) #define sz(v) (int)(v.size()) #define prin(a) cout << #a << " = " << a << endl #define prinv(v) cout << #v << " = "; for(auto it : v) cout << it << ", "; cout << endl #define all(v) (v).begin(),(v).end() typedef long long ll; #define rmin(a,b) a = min<ll>(a,b) #define rmax(a,b) a = max<ll>(a,b) #define fi first #define se second const int N = 510; ll dist[2][N][N]; int vis[2][N][N]; int n, m; ll math[N][N], matv[N][N]; template <class T> using pqt = priority_queue<T,vector<T>,greater<T>>; int main(){ ios::sync_with_stdio(0); cin.tie(0); cin >> n >> m; fr(i,n) fr(j,m-1) cin >> math[i][j]; fr(i,n-1) fr(j,m) cin >> matv[i][j]; pqt<tuple<ll,bool,int,int>> pq; fr(cor,2) fr(i,n) fr(j,m) dist[cor][i][j] = LLONG_MAX; pq.emplace(0,0,0,0); dist[0][0][0] = 0; while(!pq.empty()){ ll dac; bool cor; int i, j; tie(dac,cor,i,j) = pq.top(); pq.pop(); if(vis[cor][i][j]) continue; vis[cor][i][j] = 1; dist[cor][i][j] = dac; if(j+1<m){ pq.emplace(dac+math[i][j],0,i,j+1); } if(j-1>=0){ pq.emplace(dac+math[i][j-1],0,i,j-1); } if(i+1<n){ pq.emplace(dac+matv[i][j],0,i+1,j); } if(i-1>=0){ if(cor==0){ pq.emplace(dac+2,1,i-1,j); } else{ pq.emplace(dac+1,1,i-1,j); } } } cout << dist[0][n-1][m-1] << "\n"; }
#include <bits/stdc++.h> #define rep(i, n) for(int i = 0; i < (n); ++i) #define rep1(i, n) for(int i = 1; i < (n); ++i) using namespace std; using ll = long long; int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); ll n, t; cin >> n >> t; vector<ll> a(n); rep(i, n) cin >> a[i]; vector<ll> pre, post; rep(i, n){ if(i < (n+1)/2) pre.push_back(a[i]); else post.push_back(a[i]); } // for(auto e: pre) cout << e << " "; // cout << endl; // for(auto e: post) cout << e << " "; // cout << endl; unordered_set<ll> sm1; vector<ll> sm2; int n1 = pre.size(); int n2 = post.size(); rep(i, 1<<n1){ vector<int> use(n1, 0); rep(j, n1){ if(i & (1<<j)){ use[j] = 1; } } ll sm = 0; rep(j, n1){ if(use[j]) sm += pre[j]; } sm1.insert(sm); } rep(i, 1<<n2){ vector<int> use(n2, 0); rep(j, n2){ if(i & (1<<j)){ use[j] = 1; } } ll sm = 0; rep(j, n2){ if(use[j]) sm += post[j]; } sm2.push_back(sm); } // for(auto e: sm1) cout << e << " "; // cout << endl; // for(auto e: sm2) cout << e << " "; // cout << endl; sort(sm2.begin(), sm2.end()); ll res = 0; for(auto e: sm1){ if(e > t) continue; int idx = lower_bound(sm2.begin(), sm2.end(), t-e) - sm2.begin(); ll val = sm2[idx]+e; if(idx == 0) val = e; if(idx == (int)sm2.size()) val = sm2.back()+e; if(val > t){ if(idx == 0) val = 0; else val = sm2[idx-1] + e; } res = max(res, val); // cout << e << " " << idx << " " << val << " " << res << endl; } cout << res << endl; return 0; }
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <numeric> #include <cmath> #include <iomanip> #include <cstdio> #include <set> #include <map> #include <unordered_map> #include <unordered_set> #include <list> #include <cstdlib> #include <queue> #include <stack> #include <bitset> using namespace std; typedef long long ll; #define MOD 1000000007 #define PI 3.1415926535897932 #define INF 1e18 #define rep(i, n) for (ll i = 0; i < n; i++) #define repe(i, j, n) for (ll i = j; i < n; i++) #define repi(i, n) for (ll i = 0; i <= n; i++) #define repie(i, j, n) for (ll i = j; i <= n; i++) #define all(x) x.begin(), x.end() #define println() cout << endl #define P pair<ll, ll> #define fi first #define se second using Graph = vector<vector<ll>>; long long modinv(long long a, long long m) { long long b = m, u = 1, v = 0; while (b) { long long 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 dp[2000][2000]; ll nCr(ll n, ll r) { if(n==r) return dp[n][r] = 1; if(r==0) return dp[n][r] = 1; if(r==1) return dp[n][r] = n%MOD; if(dp[n][r]) return dp[n][r]%MOD; return dp[n][r] = nCr(n-1,r)%MOD + nCr(n-1,r-1)%MOD; } ll H(ll n, ll r) { return nCr(n+r-1, r)%MOD; } int prime[10000000]; bool is_prime[100000000 + 1]; int sieve(int n) { int pcnt = 0; for(int i = 0; i <= n; i++) { is_prime[i] = true; } is_prime[0] = is_prime[1] = false; for(int i = 2; i <= n; i++) { if(is_prime[i]) { prime[pcnt++] = i; for(int j = 2*i; j <= n; j += i) { is_prime[j] = false; } } } return pcnt; } struct UnionFind { //自身が親であれば、その集合に属する頂点数に-1を掛けたもの //そうでなければ親のid vector<ll> r; UnionFind(ll N) { r = vector<ll>(N, -1); } ll root(ll x) { if (r[x] < 0) return x; return r[x] = root(r[x]); } bool unite(ll x, ll y) { x = root(x); y = root(y); if (x == y) return false; if (r[x] > r[y]) swap(x, y); r[x] += r[y]; r[y] = x; return true; } ll size(ll x) { return -r[root(x)]; } bool same(ll x, ll y) { // 2つのデータx, yが属する木が同じならtrueを返す ll rx = root(x); ll ry = root(y); return rx == ry; } }; void solve1() { ll n, q; string s; cin >> n >> s >> q; string pre, post; pre = s.substr(0, n); post = s.substr(n, n); bool f = true; //cout << pre << " " << post << endl; rep(i, q) { int t, a, b; cin >> t >> a >> b; if(t == 1) { if(a <= n && b <= n) { swap(pre[a-1], pre[b-1]); } else if(a <= n && b > n) { swap(pre[a-1], post[b-1-n]); } else { swap(post[a-1-n], post[b-1-n]); } } else { swap(post, pre); } } cout << pre + post << endl; } int main() { solve1(); }
#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; //Arr.find_by_order(k-1):kth smallest //Arr.order_of_key(X):no. of elements less than x #define int long long #define ld long double #define dob double #define pb push_back #define tle ios_base::sync_with_stdio(false);cin.tie(NULL); const int hell=1e9+7; #define maxheap priority_queue<int> #define minheap priority_queue<int, vector<int>, greater<int>> int inf=1e18; const int N=1e5+9; //getline(cin,st); To Take Entire Sentence In Input; //typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; bool prime(int n) { for( int i=2;i*i<=n;i++) { if(n%i==0) return false; } return true; } int power(int a,int b,int m) { int ans=1; while(b) { if(b&1) ans=(ans*a)%m; b/=2; a=(a*a)%m; } return ans; } int32_t main() { tle int t=1; // cin>>t; //precompute(); while(t--) { int n; cin>>n; string s; cin>>s; int q; cin>>q; int ct=0; for(int i=0;i<q;i++) { int typ,l,r; cin>>typ>>l>>r; if(typ==1) { if(ct%2==0) swap(s[l-1],s[r-1]); else { if(l<=n) l=l+n; else l=l-n; if(r<=n) r=r+n; else r=r-n; swap(s[l-1],s[r-1]); } } else ct++; } // reverse(s.begin(),s.end()); if(ct%2==1) s=s.substr(n)+s.substr(0,n); cout<<s; } return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; #define fi first #define se second #define pi pair<ll,ll> #define pii pair<ll,pi> #define pb push_back #define mk make_pair const ll siz = 3e5 + 7; ll t[4 * siz]; int n, q; void built(int a[], int tl , int tr, int v) { if (tl == tr) { t[v] = a[tl]; } else { int tm = (tl + tr) / 2; built(a, tl, tm, 2 * v); built(a, tm + 1, tr, 2 * v + 1); t[v] = (t[2 * v] ^ t[2 * v + 1]); } } void update(int v, int tl, int tr, int pos, int val) { if (tl == tr) { t[v] = val; } else { int tm = (tl + tr) / 2; if (pos <= tm) update(2 * v, tl, tm, pos, val); else update(2 * v + 1, tm + 1, tr, pos, val); t[v] = (t[2 * v] ^ t[2 * v + 1]); } } ll query(int v, int tl, int tr , int l , int r) { if (l > r)return 0; if (l == tl && r == tr) { return t[v]; } int tm = (tr + tl) / 2; return (query(2 * v, tl, tm, l, min(r, tm)) ^query(2 * v + 1, tm + 1, tr, max(l, tm + 1), r)); } int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ios_base::sync_with_stdio(false); cin.tie(NULL); cin >> n >> q; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } built(a, 0, n - 1, 1); while (q--) { int t; cin >> t; if (t == 2) { int u, v; cin >> u >> v; --u; --v; cout << query(1, 0, n - 1, u, v) << endl; } else { int u, v; cin >> u >> v; --u; int by = v ^ a[u]; update(1, 0, n - 1, u, by); a[u] = by; } } }
#include <iostream> #include <fstream> #include <stdio.h> #include <stdlib.h> #include <iostream> #include <math.h> #include <algorithm> #include <string> #include <string.h> #include <vector> #include <functional> #include <queue> #include <unordered_set> #include <climits> #include <set> #include <list> #include <cmath> #include <map> using namespace std; typedef long long ll; template< typename T > struct BinaryIndexedTree { vector< T > data; BinaryIndexedTree(int sz) { data.assign(++sz, 0); } T sum(int k) { T ret = 0; for(++k; k > 0; k -= k & -k) ret += data[k]; return (ret); } void add(int k, T x) { for(++k; k < data.size(); k += k & -k) data[k] += x; } }; int main() { #ifdef DEBUG std::ifstream in("input.txt"); std::cin.rdbuf(in.rdbuf()); #endif ll N, Q; cin >> N >> Q; static ll A[300300]; static ll T[300300]; static ll X[300300]; static ll Y[300300]; BinaryIndexedTree<ll>* Count[31]; for(int i = 0; i < N; i++){ cin >> A[i]; } for(int i = 0; i < Q; i++){ cin >> T[i] >> X[i] >> Y[i]; } for(int j = 0; j < 31; j++){ Count[j] = new BinaryIndexedTree<ll>(N*2); } for(int i = 0; i < N; i++){ for(int j = 0; j < 31; j++){ if( (A[i] >> j) & 1){ Count[j]->add(i, 1); } } } for(int i = 0; i < Q; i++){ if(T[i] == 1){ ll newA = A[X[i]] ^ Y[i]; for(int j = 0; j < 31; j++){ if( (A[X[i]] >> j) & 1){ Count[j]->add(X[i]-1, 1); } if( (newA >> j) & 1){ Count[j]->add(X[i]-1, 1); } } A[X[i]] = newA; }else{ ll output = 0; ll two = 1; for(int j = 0; j < 31; j++){ if(X[i] > 1){ if( (Count[j]->sum(Y[i]-1) - Count[j]->sum(X[i]-2)) % 2 == 1){ output += two; } }else{ if( (Count[j]->sum(Y[i]-1)) % 2 == 1){ output += two; } } two *= 2; } cout << output << endl; } } return 0; }
#include <bits/stdc++.h> #define gc() getchar() using namespace std; typedef long long ll; template <typename T> void rd(T &x){ ll f=1;x=0;char c=gc(); for(;!isdigit(c);c=gc())if(c=='-')f=-1; for(;isdigit(c);c=gc())x=(x<<1)+(x<<3)+(c^48); x*=f; } ll n,q,h[100010],ans; inline void bsh(ll k){ ll l=0,r=h[n]+k+1,mid,f; while(l+1<r){ mid=l+r>>1; f=lower_bound(h+1,h+n+1,mid)-h-1; //printf("%lld %lld %lld %lld\n",l,r,mid,f); if(mid-f>k)r=mid; else l=mid; } printf("%lld\n",l); } int main(){ rd(n),rd(q); for(ll i=1;i<=n;i++)rd(h[i]); for(ll i=1,t;i<=q;i++){ rd(t); bsh(t); } return 0; }
#include "bits/stdc++.h" typedef long long int ll; using namespace std; int64_t n, q; void solve() { cin >> n >> q; vector<int64_t> a; for(int i=0;i<n;++i) { int64_t t; cin >> t; a.push_back(t); } sort(a.begin(), a.end()); for(int i=0;i<q;++i) { int64_t k; cin >> k; int64_t pre = 0; while(1) { int64_t cnt = upper_bound(a.begin(), a.end(), k) - upper_bound(a.begin(), a.end(), pre); if(cnt == 0) break; pre = k; k += cnt; } cout << k << "\n"; } } int main() { ios_base::sync_with_stdio(false); cin.tie(0); int T = 1; while(T--) solve(); return 0; }
#include<bits/stdc++.h> #define int long long #define endl "\n" using namespace std; const int inf = 1e18; const int max_n = 3010; const int Mod = 998244353; int n,k; int dp[max_n][max_n]; int f(int n,int k){ if(n>k) return 0; if(k==0){ if(n==0) return 1; else return 0; } if(n==0){ return 0; } if(dp[n][k]!=-1) return dp[n][k]; int t1 = f(n-1,k-1); int t2 = f(2*n,k); int ans = (t1+t2)%Mod; dp[n][k]=ans; return ans; } signed main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); memset(dp,-1,sizeof(dp)); cin>>n>>k; swap(n,k); cout<<f(n,k)<<endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,n) for(ll i=0;i<(ll)(n);i++) #define rep1(i,n) for(ll i=1;i<=(ll)(n);i++) int main(){ ios::sync_with_stdio(false); cin.tie(0); ll a,b; cin >> a >> b; cout << (a+b)/2 << " " << (a-b)/2 << endl; return 0; }
#include <iostream> #include <vector> #include <map> using namespace std; int N, M, Q; long long int X[200005], Y[200005]; int op[200005],A[200005], B[200005]; long long int p[200005]; vector<int> V[200005]; map<pair<int, int>, int> MAP; long long int a[4], b[4]; long long int tmp[4]; void QUERY(int k, int p_val) { if (k == 1) { for (int i = 1; i <= 3; i++) { tmp[i] = a[i]; } for (int i = 1; i <= 3; i++) { a[i] = b[i]; b[i] = -tmp[i]; } } else if (k == 2) { for (int i = 1; i <= 3; i++) { tmp[i] = a[i]; } for (int i = 1; i <= 3; i++) { a[i] = -b[i]; b[i] = tmp[i]; } } else if (k == 3) { //for (int i = 1; i <= 3; i++) { tmp[i] = a[i]; } a[3] = 2 * p_val - a[3]; a[1] = -a[1]; a[2] = -a[2]; } else if (k == 4) { b[3] = 2 * p_val - b[3]; b[1] = -b[1]; b[2] = -b[2]; } } long long int ans_x[200005], ans_y[200005]; int main(void) { cin >> N; for (int i = 1; i <= N; i++) { cin >> X[i] >> Y[i]; } cin >> M; for (int i = 1; i <= M; i++) { cin >> op[i]; if (op[i] >= 3) { cin >> p[i]; } } cin >> Q; for (int i = 1; i <= Q; i++) { cin >> A[i] >> B[i]; V[A[i]].push_back(B[i]); MAP[make_pair(A[i], B[i])] = i; } a[1] = 1; b[2] = 1; for (int i = 0; i <= M; i++) { // cout << "op= " << op[i] << endl; QUERY(op[i], p[i]); //cout << "a : " << a[1] << " " << a[2] << " " << a[3] << endl; //cout << "b : " << b[1] << " " << b[2] << " " << b[3] << endl; for (auto y : V[i]) { int I = MAP[make_pair(i, y)]; ans_x[I] = a[1] * X[y] + a[2] * Y[y] + a[3]; ans_y[I] = b[1] * X[y] + b[2] * Y[y] + b[3]; } } for (int i = 1; i <= Q; i++) { int I = MAP[make_pair(A[i], B[i])]; cout << ans_x[I] << " " << ans_y[I] << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using matrix = vector<vector<ll>>; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define repp(i, st, en) for (ll i = (ll)st; i < (ll)(en); i++) #define repm(i, st, en) for (ll i = (ll)st; i >= (ll)(en); i--) #define all(v) v.begin(), v.end() void chmax(ll &x, ll y) {x = max(x,y);} void chmin(ll &x, ll y) {x = min(x,y);} void Yes() {cout << "Yes" << endl; exit(0);} void No() {cout << "No" << endl; exit(0);} void Cout(ll x) {cout << x << endl; exit(0);} const ll inf = 1e18; const ll mod = 1e9 + 7; matrix E = {{1,0,0},{0,1,0},{0,0,1}}; matrix op1 = {{0,1,0},{-1,0,0},{0,0,1}}; matrix op2 = {{0,-1,0},{1,0,0},{0,0,1}}; matrix op3 = {{-1,0,0},{0,1,0},{0,0,1}}; matrix op4 = {{1,0,0},{0,-1,0},{0,0,1}}; matrix pre3(ll p) { matrix res = op3; res[0][2] = 2*p; return res; } matrix pre4(ll p) { matrix res = op4; res[1][2] = 2*p; return res; } matrix times(matrix X, matrix Y) { ll H = X.size(), W = Y[0].size(), K = Y.size(); matrix res(H,vector<ll>(W)); rep(i,H) rep(j,W) { rep(k,K) res[i][j] += X[i][k]*Y[k][j]; } return res; } int main() { ll N; cin >> N; vector<matrix> vec(N); rep(i,N) { ll x, y; cin >> x >> y; vec[i] = {{x},{y},{1}}; } ll M; cin >> M; vector<matrix> op(M+1,E); repp(i,1,M+1) { ll com; cin >> com; if (com==1) op[i] = times(op1,op[i-1]); else if (com==2) op[i] = times(op2,op[i-1]); else { ll p; cin >> p; matrix opt; if (com==3) opt = pre3(p); else opt = pre4(p); op[i] = times(opt,op[i-1]); } } ll Q; cin >> Q; vector<ll> X(Q), Y(Q); rep(i,Q) { ll a, b; cin >> a >> b; b--; matrix tmp = times(op[a],vec[b]); X[i] = tmp[0][0]; Y[i] = tmp[1][0]; } rep(i,Q) cout << X[i] << " " << Y[i] << endl; }
#include<bits/stdc++.h> typedef long long int ll; using namespace std; #define sz 1600008 #define mod 998244353 #define f first #define s second ll arr[sz+10],brr[sz+10]; ll num=1; char c[sz]; std::vector<ll> v[34]; long long binpow(long long a, long long b,long long mod1) { a %= mod1; long long res = 1; while (b > 0) { if (b & 1) res = res * a % mod1; a = a * a % mod1; b >>= 1; } return res; } int main() { int t=1; //scanf("%d",&t); for(int cs=1;cs<=t;cs++) { ll a,b,c; scanf("%lld %lld %lld",&a,&b,&c); a%=10; ll n=a; arr[n]++; ll val=0; for(int i=2;;i++) { n=(n*a)%10; if(arr[n]) { val=i-1; break; } } ll a1=binpow(b,c,val); if(a1==0) a1=val; n=a; for(int i=2;i<=a1;i++) n=(n*a)%10; a=n; printf("%lld\n",a); } return 0; }
#include<bits/stdc++.h> using namespace std; #define endl "\n" #define pb push_back typedef long long ll; const double pi = acos(-1.0); #define debug puts("*****************") #define memset(a,b) memset(a,b,sizeof(a)) const int mod = (1 ? 1000000007 : 998244353); const int inf = (1 ? 0x3f3f3f3f : 0x7fffffff); const int dx[] = { -1,0,1,0 }, dy[] = { 0,1,0,-1 }; const ll INF = (1 ? 0x3f3f3f3f3f3f3f3f : 0x7fffffffffffffff); ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll poww(ll a, ll b,ll mod) { ll s = 1; while (b) { if (b & 1)s = (s * a) % mod; a = (a * a) % mod; b >>= 1; }return s % mod; } /*----------------------------------------------------------------------------------------------------------------------*/ const int N = 1e5 + 11; ll n,m; void solve() { ll a,b,c; cin>>a>>b>>c; b=poww(b,c,4); a%=10; if(a==1||a==5||a==6||a==0) { cout<<a<<endl; return; } if(a==4&&b%2==1)cout<<4<<endl; else if(a==4&&b%2==0)cout<<6<<endl; else if(a==9&&b%2==1)cout<<9<<endl; else if(a==9&&b%2==0)cout<<1<<endl; else { int z[4]; if(a==2){z[0]=6;z[1]=2;z[2]=4;z[3]=8;} if(a==3){z[0]=1;z[1]=3;z[2]=9;z[3]=7;} if(a==7){z[0]=1;z[1]=7;z[2]=9;z[3]=3;} if(a==8){z[0]=6;z[1]=8;z[2]=4;z[3]=2;} cout<<z[b]<<endl; } } /*----------------------------------------------------------------------------------------------------------------------*/ int main() { ios::sync_with_stdio(false); cin.tie(0); ll T = 1; //cin >> T; while (T--)solve(); return 0; }
#include <bits/stdc++.h> using namespace std; // template {{{ using i32 = int; using u32 = unsigned int; using i64 = long long; using u64 = unsigned long long; #define range(i, l, r) for (i64 i = (i64)(l); i < (i64)(r); (i) += 1) #define rrange(i, l, r) for (i64 i = (i64)(r) - 1; i >= (i64)(l); (i) -= 1) #define whole(f, x, ...) ([&](decltype((x)) container) { return (f)( begin(container), end(container), ## __VA_ARGS__); })(x) #define rwhole(f, x, ...) ([&](decltype((x)) container) { return (f)( rbegin(container), rend(container), ## __VA_ARGS__); })(x) #define debug(x) cerr << "(" << __LINE__ << ")" << #x << ": " << (x) << endl constexpr i32 inf = 1001001001; constexpr i64 infll = 1001001001001001001ll; constexpr i32 dx[] = {0, -1, 1, 0, -1, 1, -1, 1}; constexpr i32 dy[] = {-1, 0, 0, 1, -1, -1, 1, 1}; struct IoSetup { IoSetup(i32 x = 15){ cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(x); cerr << fixed << setprecision(x); } } iosetup; template <typename T = i64> T input() { T x; cin >> x; return x; } template <typename T> ostream &operator<<(ostream &os, vector<T> &v) { range(i, 0, v.size()) { os << v[i] << (i + 1 != (int)v.size() ? " " : ""); } return os; } template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (T &in : v) is >> in; return is; } template <typename T1, typename T2> ostream &operator<<(ostream &os, pair<T1, T2> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template <typename T> vector<T> make_vector(size_t a, T b) { return vector<T>(a, b); } template <typename... Ts> auto make_vector(size_t a, Ts... ts) { return vector<decltype(make_vector(ts...))>(a, make_vector(ts...)); } template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } // }}} pair<int, int> diam_dfs(int v, int p, int dep, const vector<vector<int>> &G, vector<pair<int, int>> &ds) { pair<int, int> res(dep, v); for (auto &u : G[v]) { if (u == p) continue; chmax(res, diam_dfs(u, v, dep + 1, G, ds)); } ds[v] = res; return res; } void dfs(int v, int p, int &e, const vector<vector<int>> &G, const vector<pair<int, int>> &ds, vector< int > &ans) { ans[v] = e; vector< pair<int, int> > us; for (auto &u : G[v]) { if (u == p) continue; us.emplace_back(ds[u].first, u); } whole(sort, us); for (auto &[d, u] : us) { e++; dfs(u, v, e, G, ds, ans); e++; } } void solve() { int n = input(); vector< vector< int > > G(n); range(i, 1, n) { int a = input() - 1, b = input() - 1; G[a].emplace_back(b); G[b].emplace_back(a); } vector< pair<int, int> > ds(n); auto [d0, v0] = diam_dfs(0, -1, 0, G, ds); diam_dfs(v0, -1, 0, G, ds); int e = 1; vector< int > ans(n); dfs(v0, -1, e, G, ds, ans); cout << ans << endl; } signed main() { solve(); }
#include<bits/stdc++.h> #define int long long #define x first #define y second #define mp make_pair #define pb push_back #define endl "\n" using namespace std; const int max_n = 2e5+100; const int off_set = 1e5+5; const int max_A = 55; const int Mod = 1e9+7; const int inf = 2e18; int n; vector<int> adj[max_n]; int depth[max_n],dp[max_n]; void dfs(int v,int p,int d){ depth[v]=d; dp[v]=d; for(int x:adj[v]) if(x!=p){ dfs(x,v,d+1); dp[v]=max(dp[v],dp[x]+1); } return; } int ans[max_n]; int counter; void solve(int v,int p){ ans[v]=counter; for(int x:adj[v]) if(x!=p){ counter++; solve(x,v); counter++; } } signed main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cin>>n; for(int i=0;i<n-1;i++){ int x,y;cin>>x>>y;x--;y--; adj[x].pb(y); adj[y].pb(x); } dfs(0,-1,0); int farthest=0; for(int i=0;i<n;i++) if(depth[i]>depth[farthest]){ farthest=i; } dfs(farthest,-1,0); for(int i=0;i<n;i++){ sort(adj[i].begin(),adj[i].end(),[](const int& a,const int& b)->bool{ return dp[a]<dp[b]; }); } solve(farthest,-1); for(int i=0;i<n;i++){ cout<<ans[i]+1<<" "; } cout<<endl; }
#include <bits/stdc++.h> using namespace std; #define endl "\n" #define ll long long #define ld long double #define rep(i,n) for (ll i = 0;i<(n);++i) #define all(v) v.begin(),v.end() 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;} vector<long long> divisor(long long n){vector<long long> res;long long i = 1;while (i*i<=n){if(n%i==0){res.push_back(i);}i++;}if(res.size()==0)return res;for(long long i = res.size()-1-(res.back()*res.back()==n);i>=0;--i){res.push_back(n/res[i]);}return res;} long long safe_mod(long long x,long long m){x%=m;if(x<0){x+=m;}return x;} long long modpow(long long x,long long n,long long mod){long long ans=1;while(n>0){if(n&1){ans*=x;ans%=mod;}n>>=1;x*=x;x%=mod;}return ans;} long long intpow(long long x,long long n){long long ans=1;while(n>0){if(n&1){ans*=x;}n>>=1;x*=x;}return ans;} //template<typename T>T intpow(T x,T n){T ans=1;while(n>0){if(n&1){ans*=x;}n>>=1;x*=x;}return ans;} vector<pair<long long,long long>> factor_lst(long long n){vector<pair<long long,long long>> factor_lst;long long d=2;while(d*d<=n){if(n%d==0){long long num=0;while(n%d==0){num+=1;n/=d;}factor_lst.push_back({d,num});}d+=1;}if(n!=1){factor_lst.push_back({n,1});}return factor_lst;} #define Uniq(a) sort(all(a));a.erase(unique(all(a)),end(a)) int msb(int x){return x==0 ? -1:32-__builtin_clz(x);}//1-indexed int lsb(int x){return x==0 ? 32:__builtin_ctz(x)+1;}//1-indexed int popcnt(int x){return __builtin_popcount(x);} int popcnt(long long x){return __builtin_popcount(x);} bool ingrid(int i,int j,int H,int W){ return 0<=i&&i<H&&0<=j&&j<W; } const int dx[]={1,0,-1,0}; const int dy[]={0,1,0,-1}; template<typename T> void print(vector<T> &v){for(int i=0;i<v.size();++i){if(i)cout<<" ";cout<<v[i];}cout<<endl;} template<typename T> void print(T* v,int size){for(int i=0;i<size;++i){if(i)cout<<" ";cout<<v[i];}cout<<endl;} template<typename T,typename S>void print(pair<T,S>&p){cout<<p.first<<" "<<p.second<<endl;} const ll LINF=4*1e18; const ll MINF=5*1e15; const int INF=1e9+5; const ld PI=acosl(-1); const ld DINF=INF; void Main(); int main(){cout<<fixed<<setprecision(15);Main();} void Main(){ int N,M;cin>>N>>M; vector<pair<int,int>> P(M); vector<int> lstx,lsty; lstx.push_back(0); lsty.push_back(N); lsty.push_back(N+1); rep(i,M){ cin>>P[i].first>>P[i].second; lstx.push_back(P[i].first); lsty.push_back(P[i].second); lsty.push_back(P[i].second+1); } Uniq(lstx);Uniq(lsty); map<int,int> mx,my; rep(i,lstx.size())mx[lstx[i]]=i; rep(i,lsty.size())my[lsty[i]]=i; vector<vector<int>> query(lstx.size()); rep(i,M)query[mx[P[i].first]].push_back(my[P[i].second]); vector<bool> dp(lsty.size(),false); dp[my[N]]=true; rep(i,lstx.size()){ vector<bool> lst(query[i].size()); rep(j,query[i].size()){ lst[j]=(query[i][j]>0&&dp[query[i][j]-1])||((query[i][j]<lsty.size()-1)&&dp[query[i][j]+1]); } rep(j,query[i].size()){ dp[query[i][j]]=lst[j]; } } int ans=0; rep(i,lsty.size()-1)if(dp[i])ans+=lsty[i+1]-lsty[i]; cout<<ans<<endl; }
/* AtCoder Regular Contest 111 - A - Simple Math 2 https://atcoder.jp/contests/arc111/tasks/arc111_a */ #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<string, string> pss; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<pii> vii; typedef vector<ll> vl; typedef vector<vl> vvl; double EPS=1e-9; int INF=1000000005; long long INFF=1000000000000000005ll; double PI=acos(-1); int dirx[8]={ -1, 0, 0, 1, -1, -1, 1, 1 }; int diry[8]={ 0, 1, -1, 0, -1, 1, -1, 1 }; ll MOD = 1000000007; // ll sum() { return 0; } // template<typename T, typename... Args> // T sum(T a, Args... args) { return a + sum(args...); } #define DEBUG fprintf(stderr, "====TESTING====\n") #define VALUE(x) cerr << "The value of " << #x << " is " << x << endl #define OUT(x) cout << x << endl #define OUTH(x) cout << x << " " #define debug(...) fprintf(stderr, __VA_ARGS__) #define READ(x) for(auto &(z):x) cin >> z; #define FOR(a, b, c) for (int(a)=(b); (a) < (c); ++(a)) #define FORN(a, b, c) for (int(a)=(b); (a) <= (c); ++(a)) #define FORD(a, b, c) for (int(a)=(b); (a) >= (c); --(a)) #define FORSQ(a, b, c) for (int(a)=(b); (a) * (a) <= (c); ++(a)) #define FORC(a, b, c) for (char(a)=(b); (a) <= (c); ++(a)) #define EACH(a, b) for (auto&(a) : (b)) #define REP(i, n) FOR(i, 0, n) #define REPN(i, n) FORN(i, 1, n) #define MAX(a, b) a=max(a, b) #define MIN(a, b) a=min(a, b) #define SQR(x) ((ll)(x) * (x)) #define RESET(a, b) memset(a, b, sizeof(a)) #define fi first #define se second #define mp make_pair #define pb push_back #define ALL(v) v.begin(), v.end() #define ALLA(arr, sz) arr, arr + sz #define SIZE(v) (int)v.size() #define SORT(v) sort(ALL(v)) #define REVERSE(v) reverse(ALL(v)) #define SORTA(arr, sz) sort(ALLA(arr, sz)) #define REVERSEA(arr, sz) reverse(ALLA(arr, sz)) #define PERMUTE next_permutation #define TC(t) while (t--) #define FAST_INP ios_base::sync_with_stdio(false);cin.tie(NULL) #define what_is(x) cerr << #x << " is " << x << endl void solve() { // [10 ^ N / M] % M // = [10 ^ N - k * M ^ 2] % M // = [10 ^ N / M] % M ll n, m; cin >> n >> m; ll sq = m * m, ans = 1, pow = 10; while (n > 0) { if (n & 1) ans = (ans * pow) % sq; pow = (pow * pow) % sq; n >>= 1; } OUT((ans / m) % m); } int main() { FAST_INP; // #ifndef ONLINE_JUDGE // freopen("input.txt","r", stdin); // freopen("output.txt","w", stdout); // #endif // int tc; cin >> tc; // TC(tc) solve(); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; /* #include <atcoder/all> using namespace atcoder; using mint = modint1000000007; */ #define all(x) (x).begin(),(x).end() #define rep(i, n) for (int i = 0; i < (n); i++) #define endl "\n" #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) {os << "["; for (const auto &v : vec) {os << v << ","; } os << "]"; return os;} template <typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &p) {os << "(" << p.first << ", " << p.second << ")"; return os;} ll mod_pow(ll a, ll n, ll mod) { ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; } const int mod = 1e9 + 7; int conv(string &S, string &T) { int ret = 0; int N = S.size(); priority_queue<int, vector<int>, greater<int>> Q; for (int i = 0; i < N; i++) { if (T[i] == '0') { Q.push(i); } } for (int i = 0; i < N; i++) { if (T[i] == '1' && S[i] == '0') { while(!Q.empty()) { int x = Q.top(); Q.pop(); if (x <= i) continue; swap(T[i], T[x]); ret++; break; } } } return ret; } int f(string &S, string &T) { string S_ = T, T_ = S; int r1 = conv(S, T); reverse(all(S)); reverse(all(T)); int r2 = conv(S, T); int r3 = conv(S_, T_); reverse(all(S_)); reverse(all(T_)); int r4 = conv(S_, T_); return min(r1 + r2, r3 + r4); } void solve() { int N; cin >> N; string S, T; cin >> S >> T; int s1 = 0, t1 = 0; for (int i = 0; i < N; i++) { if (S[i] == '1') s1++; } for (int i = 0; i < N; i++) { if (T[i] == '1') t1++; } if (s1 != t1) { cout << "-1" << endl; return; } int prev = 0; s1 = 0, t1 = 0; int ans = 0; for (int i = 0; i < N; i++) { if (S[i] == '1') s1++; if (T[i] == '1') t1++; if (s1 == t1) { string s = S.substr(prev, i + 1 - prev); string t = T.substr(prev, i + 1 - prev); ans += f(s, t); prev = i + 1; } } cout << ans << endl; } int main() { #ifdef LOCAL_ENV cin.exceptions(ios::failbit); #endif cin.tie(0); ios::sync_with_stdio(false); cout.setf(ios::fixed); cout.precision(16); solve(); }
#include <bits/stdc++.h> using namespace std ; int N, ans=0; string S, T; vector<int> a, b; int main(){ cin >> N >> S >> T; bool f=true; int x=-1; for(int i=0;i<N;i++){ if(S[i]=='0')a.push_back(i); if(T[i]=='0')b.push_back(i); } if(a.size()!=b.size())puts("-1"); else{ for(int i=0;i<a.size();i++){ if(a[i]!=b[i])ans++; } cout << ans << endl; } return 0; }
#include<cstdio> #include<algorithm> #include<cstring> #include<iostream> #define Q 400005 using namespace std; #define gc() getchar() inline bool ig(char c){return c>='0'&&c<='9';} inline void read(int &oi){char c;int f=1,rs=0;while(c=gc(),(!ig(c))&&c!='-');c^'-'?rs=(c^48):f=-1;while(c=gc(),ig(c))rs=rs*10+(c^48);oi=rs*f;} inline void print(int oi){if(oi<0)putchar('-'),oi=~oi+1;if(oi>9)print(oi/10);putchar(oi%10+48);} int n,q;char c[Q];bool flag; int main(){ read(n);scanf("%s",c);read(q); for(int i=1;i<=q;++i){ int opt,x,y;read(opt);read(x);read(y); if(opt==2)flag^=1; else{ if(flag){ if(x>n)x-=n;else x+=n; if(y>n)y-=n;else y+=n; } char ch=c[x-1]; c[x-1]=c[y-1];c[y-1]=ch; } } if(flag){ for(int i=n;i<=2*n-1;++i)putchar(c[i]); for(int i=0;i<=n-1;++i)putchar(c[i]);putchar('\n'); } else printf("%s\n",c); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> VI; typedef vector<VI> VVI; typedef vector<long long> VL; typedef vector<vector<long long>> VVL; typedef pair<int,int> Pair; typedef tuple<int,int,int> tpl; #define ALL(a) (a).begin(),(a).end() #define SORT(c) sort((c).begin(),(c).end()) #define REVERSE(c) reverse((c).begin(),(c).end()) #define EXIST(m,v) (m).find((v)) != (m).end() #define LB(a,x) lower_bound((a).begin(), (a).end(), x) - (a).begin() #define UB(a,x) upper_bound((a).begin(), (a).end(), x) - (a).begin() #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define RFOR(i,a,b) for(int i=(a)-1;i>=(b);--i) #define RREP(i,n) RFOR(i,n,0) #define en "\n" constexpr double EPS = 1e-9; constexpr double PI = 3.1415926535897932; constexpr int INF = 2147483647; constexpr long long LINF = 1LL<<60; constexpr long long MOD = 1000000007; // 998244353; 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;} void Main(){ int N,M; cin >> N >> M; VI A(N); REP(i,N) cin >> A[i]; VI B(M); REP(i,M) cin >> B[i]; ll dp[N+1][M+1]; REP(i,N+1)REP(j,M+1) dp[i][j] = LINF; dp[0][0] = 0; REP(i,N) dp[i+1][0] = i+1; REP(i,M) dp[0][i+1] = i+1; ll cummin[N+1][M+1]; REP(i,N+1)REP(j,M+1) cummin[i][j] = LINF; cummin[0][0] = 0; REP(i,N) cummin[i+1][0] = i+1; REP(i,M) cummin[0][i+1] = i+1; REP(i,N)REP(j,M){ // 取り除く場合 chmin(dp[i+1][j+1], dp[i][j]+2); chmin(dp[i+1][j+1], dp[i][j+1]+1); chmin(dp[i+1][j+1], dp[i+1][j]+1); // 残す場合 if(A[i]==B[j]) chmin(dp[i+1][j+1], dp[i][j]); else chmin(dp[i+1][j+1], dp[i][j]+1); } ll ans = dp[N][M]; cout << ans << en; return; } int main(void){ cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0);cout<<fixed<<setprecision(15); int t=1; //cin>>t; REP(_,t) Main(); return 0; }
#include <bits/stdc++.h> #define fi first #define se second #define mp make_pair using namespace std; typedef long long ll; typedef pair<int,int> pii; const double eps = 1e-8; const int NINF = 0xc0c0c0c0; const int INF = 0x3f3f3f3f; const ll mod = 1e9 + 7; const ll N = 1e6 + 5; int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int n;cin>>n; ll ans=0,mx=0,s=0,k=0; for(int i=1;i<=n;i++){ ll x;cin>>x; s+=x; k=max(k,s); ans+=k; mx=max(ans,mx); ans+=s-k; // cout<<ans<<" "<<s<<'\n'; } cout<<mx<<'\n'; return 0; }
#include<bits/stdc++.h> #define rep(i,N) for(int i=0;i<N;i++) #define rep2(i,N) for(int i=1;i<=N;i++) using namespace std; long long INF=1e18; long long mod=1e9+7; //status unsolved int main(){ long long n; cin>>n; long long a[n]; rep(i,n){ cin>>a[i]; } long long s[n+1]; s[0]=0; long long M[n+1];//M[i]:=i番目までの累積和の最大 M[0]=0; rep(i,n){ s[i+1]=s[i]+a[i]; if(s[i+1]>M[i]){ M[i+1]=s[i+1]; } else{ M[i+1]=M[i]; } } long long ans=0; long long now=0; rep2(i,n){ ans=max(now+M[i],ans); now+=s[i]; //ans=max(now,ans); //cout<<ans<<endl; } cout<<ans<<endl; } /* */
//help others........ #include <iostream> #include<bits/stdc++.h> using namespace std; #define ll long long #define lli long long int #define pb push_back #define F first #define S second #define pii pair<long long,int> #define all(a) a.begin(),a.end() #define read(n,a) for(int i = 0;i<n;i++){cin>>a[i];} ll ncr(ll n,ll r){ll res=1;if(r>n)return 0;if(r>n-r)r=n-r;for(ll i=0;i<r;i++){res*=(n-i);res/=(i+1);}return res;} ll mod = 1e9+7; ll fct[1009]; int N = 509; void fact() { fct[0] = 1; fct[1] = 1; for (ll i = 2; i <= 1000; i++) fct[i] = (i * fct[i-1])%mod; } bool find(int s,vector<int>a){ for(int i = 0;i<(int)a.size();i++) { if(a[i] == s) return true; } return false; } void getans() { int a,b; cin>>a>>b; int c = a+b; if(c>=15 && b >=8) cout<<1<<endl; else if(c>=10&& b>=3) cout<<2<<endl; else if(c>=3) cout<<3<<endl; else cout<<4<<endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int t = 1; //cin>>t; while(t--) getans(); return 0; }
#include<bits/stdc++.h> using namespace std; int main(){ int a,b; cin>>a>>b; if(a+b>=15&&b>=8){ cout<<"1\n"; }else if(a+b>=10&&b>=3){ cout<<"2\n"; }else if(a+b>=3){ cout<<"3\n"; }else{ cout<<"4\n"; } }
//コンパイラ最適化用 #pragma GCC optimize("Ofast") #define _GLIBCXX_DEBUG #include<bits/stdc++.h> //#include<atcoder/all> //using namespace atcoder; using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef pair<ll, int> pli; typedef pair<int, int> pii; typedef pair<ll, ld> pld; typedef pair<pii, int> ppiii; typedef pair<pii, ll> ppiill; typedef pair<pll, ll> ppllll; typedef pair<pli, int> pplii; typedef map<int, int> mii; typedef deque<ll> dll; typedef queue<ll> qll; typedef priority_queue<ll> pqll; typedef priority_queue<ll, vector<ll>, greater<ll>> pqrll; typedef vector<int> vint; typedef vector<ll> vll; typedef vector<vector<ll>> vvll; typedef vector<vector<int>> vvint; typedef vector<vector<pll>> vvpll; //マクロ //forループ #define REP(i,n) for(ll i=0;i<ll(n);i++) #define REPD(i,n) for(ll i=n-1;i>=0;i--) #define FOR(i,a,b) for(ll i=a;i<=ll(b);i++) #define FORD(i,a,b) for(ll i=a;i>=ll(b);i--) //xにはvectorなどのコンテナ #define ALL(x) x.begin(),x.end() #define SIZE(x) ll(x.size()) //定数 #define INF 1000000007 #define MAXR 100000 //10^5:配列の最大のrange //最大化問題最小化問題 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; } signed main(){ //入力の高速化用のコード ios::sync_with_stdio(false); cin.tie(nullptr); //入力 ll N; cin >> N; FOR(i,1,log(N)){ FOR(j,1,log(N)){ if(N==powl(5,i)+powl(3,j)){cout << j << " " << i << endl; return 0; } } } //出力 cout << -1 << endl; //cout << fixed << setprecision(10) << ans << endl; return 0; }
#include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<vector> #include<cmath> #include<queue> #include<set> #include<map> #include<stack> #include<bitset> #include<climits> #include<complex> using namespace std; template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')';} template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) {os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; } void dbg_out() { cerr << endl; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } #define int long long template<typename T> void dbg_a(T *a,int l,int r){cout<<" {";for(int i = l;i<r;i++) cout<<a[i]<<", ";cout<<a[r]<<"}"<<endl;} typedef long long ll; template<typename T = int> inline T read(){ T f = 1,r = 0; char c = getchar(); while(c<'0'||c>'9'){if(c == '-') f = -1; c = getchar();} while(c>='0'&&c<='9'){ r = (r<<1) + (r<<3) + c - '0';c = getchar();} return f*r; } typedef pair<int,int> PII; #define fi first #define se second #define mst(a,b) memset(a,b,sizeof(a)) #define For(i,a,b) for(int i = a;i<=b;i++) #define For_(i,a,b) for(int i = a;i>=b;i--) #define _for(i,a) for(int i = 0;i<a;i++) #define All(x) x.begin(),x.end() // For(i,1,n) For(j,1,m) printf("f[%lld][%lld] = %lld\n",a,b,c); const int N = 8 + 2,M = N*2 + 10,INF = 0x3f3f3f3f; const int mod = 1e9 + 7; int n,k; void solve(){ n = read(); int a = read(),b = read(); int d = n - b - a; if(d < 0){ cout<<0<<"\n"; return ; } int ans1 = (d + 1) % mod * (d + 2) % mod * (n - a + 1) % mod * (n - b + 1) % mod; int ans2 = (d + 1) * (d + 1) % mod * (d + 2) %mod * (d + 2) % mod; cout<<(ans1 * 2 - ans2 + mod)%mod<<"\n"; } signed main(){ int T = 1; T = read(); while(T--) solve(); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define vt vector #define all(x) x.begin(), x.end() #define trav(i, x) for(auto &i : x) #define lb lower_bound #define ub upper_bound #define pb push_back #define eb emplace_back #define top front void solve() { int n, m; scanf("%d%d", &n, &m); vector<vector<char>> G(n, vector<char> (m)); for(int i = 0; i < n; i++) { for(int j = 0; j < m; j++) { cin >> G[i][j]; } } int row_count = 0; for(int i = 0; i < n - 1; i++) { for(int j = 0; j < m - 1; j++) { int c=0; c += G[i][j]=='#'; c += G[i+1][j]=='#'; c += G[i][j+1]=='#'; c += G[i+1][j+1]=='#'; if(c==1||c==3) row_count++; } } printf("%d", row_count); } int main() { int t = 1, i = 1; while(t--) { // printf("Case #%d: ", i) solve(); i++; } }
#include <bits/stdc++.h> using namespace std; template <class A, class B> bool cmin(A& a, B b) { return a > b && (a = b, true); } template <class A, class B> bool cmax(A& a, B b) { return a < b && (a = b, true); } signed main() { cin.tie(nullptr)->sync_with_stdio(false); int N, X; cin >> N >> X; vector<int> A(N); for (int i = 0; i < N; i++) cin >> A.at(i); for (const auto& a : A) { if (a == X) continue; cout << a << '\n'; } }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define rep2(i, s, n) for (ll i = (s); i < (ll)(n); i++) #define all(v) begin(v), end(v) #define sz(v) v.size() #define INF 1e18+9 #define EPSILON 1e-14 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 si, sj; vector<vector<ll>> p(50, vector<ll>(50)); vector<bool> vst(2500, false); vector<vector<ll>> t(50, vector<ll>(50)); ll scoring(string S){ ll score = 0; score += p.at(si).at(sj); vst.at(t.at(si).at(sj)) = true; ll px = si; ll py = sj; rep(i, sz(S)){ if(S.at(i) == 'U'){ px--; } else if(S.at(i) == 'D'){ px++; } else if(S.at(i) == 'L'){ py--; } else if(S.at(i) == 'R'){ py++; } if(vst.at(t.at(px).at(py))){ cerr << t.at(px).at(py) << ": twice visited" << endl; return -1; } else{ vst.at(t.at(px).at(py)) = true; score += p.at(px).at(py); } } return score; } string solve(){ string ans = ""; vector<ll> dx = {-1, 1, 0, 0}; vector<ll> dy = {0, 0, -1, 1}; string dir = "UDLR"; ll px = si; ll py = sj; vst.at(t.at(si).at(sj)) = true; while(true){ bool move = false; rep(i, 4){ if(0 <= px+dx.at(i) && px+dx.at(i) <= 49 && 0 <= py+dy.at(i) && py+dy.at(i) <= 49 && !vst.at(t.at(px+dx.at(i)).at(py+dy.at(i)))){ px += dx.at(i); py += dy.at(i); vst.at(t.at(px).at(py)) = true; ans += dir.at(i); move = true; break; } } if(!move){ break; } } return ans; } string greed(){ string ans = ""; vector<ll> dx = {-1, 1, 0, 0}; vector<ll> dy = {0, 0, -1, 1}; string dir = "UDLR"; ll px = si; ll py = sj; vst.at(t.at(si).at(sj)) = true; while(true){ ll add = 0; ll d = -1; rep(i, 4){ if(0 <= px+dx.at(i) && px+dx.at(i) <= 49 && 0 <= py+dy.at(i) && py+dy.at(i) <= 49 && !vst.at(t.at(px+dx.at(i)).at(py+dy.at(i)))){ if(chmax(add, p.at(px+dx.at(i)).at(py+dy.at(i)))){ d = i; } } } if(d == -1){ break; } px += dx.at(d); py += dy.at(d); vst.at(t.at(px).at(py)) = true; ans += dir.at(d); } return ans; } int main() { cin >> si >> sj; rep(i, 50){ rep(j, 50){ cin >> t.at(i).at(j); } } rep(i, 50){ rep(j, 50){ cin >> p.at(i).at(j); } } cout << greed() << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> P; int dx[] = {-1, 0, 1, 0}; int dy[] = {0, -1, 0, 1}; int si, sj; vector<vector<int>> t(50, vector<int>(50,0)); vector<vector<int>> p(50, vector<int>(50,0)); vector<vector<bool>> used(50, vector<bool>(50, false)); string ans_s; int score() { int ans = 0; return ans; } void solve() { queue<P> q; q.push(make_pair(si, sj)); used.at(si).at(sj) = true; for (int i = 0; i < 4; i++) { int xd = si + dx[i]; int yd = sj + dy[i]; if (xd >= 0 && xd < 50 && yd >= 0 && yd < 50 && t.at(si).at(sj) == t.at(xd).at(yd)) used.at(xd).at(yd) = true; } ll s = 0; mt19937 mt(1234); uniform_int_distribution<> rand4(0, 3); int cnt = 0, false_cnt = 0; while(!q.empty() && false_cnt < 10 && cnt < 100000000) { P tmp = q.front(); int i = rand4(mt); int x = tmp.first + dx[i]; int y = tmp.second + dy[i]; if (x >= 0 && x < 50 && y >= 0 && y < 50 && !used.at(x).at(y)) { false_cnt = 0; s += p.at(x).at(y); used.at(x).at(y) = true; q.pop(); q.push(make_pair(x, y)); for (int j = 0; j < 4; j++) { int xd = x + dx[j]; int yd = y + dy[j]; if (xd >= 0 && xd < 50 && yd >= 0 && yd < 50 && t.at(x).at(y) == t.at(xd).at(yd)) used.at(xd).at(yd) = true; } if (i == 0) ans_s += 'U'; else if (i == 1) ans_s += 'L'; else if (i == 2) ans_s += 'D'; else ans_s += 'R'; } else false_cnt++; cnt++; } } int main(){ cin >> si >> sj; for (int i = 0; i < 50; i++) { for (int j = 0; j < 50; j++) { cin >> t.at(i).at(j); } } for (int i = 0; i < 50; i++) { for (int j = 0; j < 50; j++) { cin >> p.at(i).at(j); } } solve(); //ans_s.erase(ans_s.size()-1); cout << ans_s << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define _for(i,a,b) for(int i = (a); i < (b); i++) #define _rep(i,a,b) for(int i = (a); i <= (b); i++) #define all(v) (v).begin(), (v).end() int ans1 = 0; int A, B, H, W; int vis[20][20]; void dfs1(int x, int y, int a1, int b1) { if(a1 < 0 or b1 < 0) return; if(y == W) x++, y = 0; if(x == H) return (void) ans1++; if(vis[x][y]) return dfs1(x, y+1, a1, b1); vis[x][y] = 1; dfs1(x, y+1, a1, b1-1); if(!vis[x+1][y]) vis[x+1][y] = 1, dfs1(x, y+1, a1-1, b1), vis[x+1][y] = 0; if(!vis[x][y+1]) vis[x][y+1] = 1, dfs1(x, y+1, a1-1, b1), vis[x][y+1] = 0; vis[x][y] = 0; return; } void taskD() { cin >> H >> W >> A >> B;//BF ans1 = 0; //dfs(0, 0, A, B); dfs1(0, 0, A, B); cout << ans1; return; } int main() { //ios_base::sync_with_stdio(false), cin.tie(nullptr); //taskPe26(); taskD(); return 0; }
#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}; //------------------------------------- int N; ll X; ll a[101]; ll dp[101][101][101]; int main() { cin >> N >> X; REP(i, N) cin >> a[i]; ll ans = LLINF; FOR(k, 1, N+1) { REP(i,N+1)REP(j,k+1)REP(l,k) dp[i][j][l] = -LLINF; dp[0][0][0] = 0; REP(i, N) { REP(cnt, k + 1) { REP(r, k) { if(dp[i][cnt][r] == -LLINF) continue; // えらぶ if(cnt < k) { ll cost = 0; if(a[i] + r >= k) { cost++; ll remain = a[i] - (k - r); cost += remain / k; } int nxt_r = (a[i] + r) % k; if((dp[i][cnt][r] + cost) * k + nxt_r <= X) { chmax(dp[i+1][cnt+1][nxt_r], dp[i][cnt][r] + cost); } } // えらばない chmax(dp[i+1][cnt][r], dp[i][cnt][r]); } } } if(dp[N][k][X%k] == -LLINF) continue; chmin(ans, (X - X % k - dp[N][k][X%k] * k) / k); } assert(ans != LLINF); cout << ans << endl; }
#include <iostream> namespace wxy{ void main(){ int a,b,x,y; std::cin >> a >> b; x = (a + b) / 2; y = a - x; std::cout << x << " " << y; } }signed main(){wxy::main();return 0;}
#include<bits/stdc++.h> using namespace std; typedef long long int ll; template<typename T1,typename T2> bool chmin(T1 &a,T2 b){if(a<=b)return 0; a=b; return 1;} template<typename T1,typename T2> bool chmax(T1 &a,T2 b){if(a>b)return 0; a=b; return 1;} #define bitUP(x,a) ((x>>a)&1) int dx[4]={0,1,0,-1}, dy[4]={1,0,-1,0}; long double EPS = 1e-6; long double PI = acos(-1); const ll INF=(1LL<<62); const int MAX=(1<<30); constexpr ll MOD=1000000000+7; inline void bin101(){ ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(20); } using pii=pair<int,int>; using pil=pair<int,ll>; using pli=pair<ll,int>; using pll=pair<ll,ll>; using psi=pair<string,int>; using pis=pair<int,string>; using psl=pair<string,ll>; using pls=pair<ll,string>; using pss=pair<string,string>; using Graph=vector<vector<int>>; template<typename T > struct edge { int to; T cost; edge()=default; edge(int to, T cost) : to(to), cost(cost) {} }; template<typename T> using WeightGraph=vector<vector<edge<T>>>; //1-indexed vector cin template<typename T> inline void vin1(vector<T> &v){ for(size_t i=1;i<v.size();i++) cin>>v[i]; } //0-indexed vector cin template<typename T> inline void vin0(vector<T> &v){ for(size_t i=0;i<v.size();i++) cin>>v[i]; } //1-indexed vector<vector> cin template<typename T> inline void vin1(vector<vector<T>> &v){ for(size_t i=1;i<v.size();i++){ for(size_t j=1;j<v[i].size();j++) cin>>v[i][j]; } } //0-indexed vector<vector> cin template<typename T> inline void vin0(vector<vector<T>> &v){ for(size_t i=0;i<v.size();i++){ for(size_t j=0;j<v[i].size();j++) cin>>v[i][j]; } } //要素数n 初期値x template<typename T> inline vector<T> vmake(size_t n,T x){ return vector<T>(n,x); } //a,b,c,x data[a][b][c] 初期値x template<typename... Args> auto vmake(size_t n,Args... args){ auto v=vmake(args...); return vector<decltype(v)>(n,move(v)); } //pair cout template<typename T, typename U> inline ostream &operator<<(ostream &os,const pair<T,U> &p) { os<<p.first<<" "<<p.second; return os; } //pair cin template<typename T, typename U> inline istream &operator>>(istream &is,pair<T,U> &p) { is>>p.first>>p.second; return is; } //ソート template<typename T> inline void vsort(vector<T> &v){ sort(v.begin(),v.end()); } //逆順ソート template<typename T> inline void rvsort(vector<T> &v){ sort(v.rbegin(),v.rend()); } //1ビットの数を返す inline int popcount(int x){ return __builtin_popcount(x); } //1ビットの数を返す inline int popcount(ll x){ return __builtin_popcountll(x); } void solve(){ int N,X; cin>>N>>X; vector<int> A(N); vin0(A); vector<int> ans; for(auto a:A){ if(a!=X) ans.push_back(a); } for(int i=0;i<ans.size();i++){ cout<<(i==0?"":" ")<<ans[i]; } cout<<endl; } int main(){ bin101(); int T=1; //cin>>T; while(T--) solve(); }
#include <bits/stdc++.h> #define INF 1e9 #define LINF (1LL << 63 - 1) #define rep(i,n)for(int i=0;(i)<(int)(n);i++) #define REP(i,a,b)for(int i=(int)(a);(i)<=(int)(b);i++) #define ALL(a) (a).begin(),(a).end() // #define chmax(a, b) a = max(a, b) // #define chmin(a, b) a = min(a, b) #define pb push_back #define fi first #define se second #define sz(x) ((int)x.size()) using namespace std; //using namespace atcoder; using ld = long double; using ll = long long; using P = pair<ll, ll>; template<typename T> bool chmin(T& a, const T& b) { if(a > b){ a = b; return 1;} return 0; } template<typename T> bool chmax(T& a, const T& b) { if(a < b){ a = b; return 1;} return 0; } const ll ZER = 0; const ll MOD = 1e9 + 7; ll dp[2020][2020]; int main(){ // std::cin.tie(0); // std::ios::sync_with_stdio(false); int n, m; cin >> n >> m; vector<ll> a(n), b(m); rep(i, n)cin >> a[i]; rep(i, m)cin >> b[i]; rep(i, n)dp[i + 1][0] = i + 1; rep(j, m)dp[0][j + 1] = j + 1; rep(i, n){ rep(j, m){ if(a[i] == b[j]){ dp[i + 1][j + 1] = dp[i][j]; } else { dp[i + 1][j + 1] = min({dp[i][j], dp[i + 1][j], dp[i][j + 1]}) + 1; } } } cout << dp[n][m] << endl; }
#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 <list> #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; void ex_gcd(ll a,ll b, ll& d,ll& x,ll& y){ if(!b) {d=a;x=1;y=0;} else { ex_gcd(b,a%b,d,y,x); y-=a/b*x;} } ll inv(ll a,ll n) { ll d,x,y; ex_gcd(a,n,d,x,y); return d==1?(x%n+n)%(n/d):-1; } const int maxn = 1005; const int mod = 1000000007; int a[maxn], b[maxn]; int f[maxn][maxn]; int main() { #ifdef suiyuan2009 freopen("/Users/suiyuan2009/CLionProjects/icpc/input.txt", "r", stdin); //freopen("/Users/suiyuan2009/CLionProjects/icpc/output.txt", "w", stdout); #endif int n,m; cin>>n>>m; for(int i=1;i<=n;i++)cin>>a[i]; for(int i=1;i<=m;i++)cin>>b[i]; int ret = 0; for(int i=1;i<=n;i++) for(int j=1;j<=m;j++){ f[i][j] = max(f[i-1][j],f[i][j-1]); f[i][j] = max(f[i][j],f[i-1][j-1]+2-(a[i]!=b[j])); ret = max(ret, f[i][j]); } cout<<n+m-ret<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define pb push_back #define pii pair<int, int> const int maxN = 1e6 + 10; int n; int a[maxN]; int main() { long long v, t, s, d; cin>>v>>t>>s>>d; long long l = v*t; long long r = v*s; if (d>r || d<l) printf("Yes\n"); else printf("No\n"); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int a, b, c, d; cin >> a >> b; cin >> c >> d; cout << a * d - b * c; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; ++i) using ll = long long; #define DEBUG_ON int main(){ ll n; cin>>n; vector <ll> a(n); ll sum=0; ll ind=0; ll yoko=0; ll ind_y=999; ll yokom=0; ll MAX; ll robo=0; ll hasi=0; vector <ll> ma(n); rep(i,n){ cin>>a.at(i); sum+=a.at(i); if(i>=1){ if(sum>ma.at(i-1)){ ma.at(i)=sum; } else{ ma.at(i)=ma.at(i-1); } } else{ if(sum>=0){ ma.at(i)=sum; } else{ ma.at(i)=0; } } robo = max(robo, hasi + ma.at(i)); hasi += sum; } cout<<robo; return 0; }
//Code by @Luckyniu (<Luogu uid>=142548) #include<bits/stdc++.h> #define int long long #define in long double #define inf 0x3f3f3f3f3f3f #define ie inline #define rg register #define debug fprintf(stderr,"passed [%s] in line %d\n",__FUNCTION__,__LINE__); using namespace std; ie int power(int b, int k){ if(k==1) return b; if(k&1){ return power(power(b,k>>1),2); } return power(power(b,(k-1)>>1),2)*b; } ie void read(int& tp){ tp=0; int pt=1; char cha=getchar(); while(cha<'0'||cha>'9'){ if(cha=='-') pt=-1; cha=getchar(); } while(cha>='0'&&cha<='9'){ tp=tp*10+cha-'0'; cha=getchar(); } tp*=pt; } ie void write(int x){ if(x<0) putchar('-'),x=-x; if(x>9) write(x/10); putchar(x%10+'0'); } int t; int n; signed main(){ //freopen(".in","r",stdin); //freopen(".out","w",stdout); read(t); while(t--){ read(n); if(n&1) puts("Odd"); else if((n/2)&1) puts("Same"); else puts("Even"); } return 0; }
// Copyright © 2020 Diego Garcia Rodriguez del Campo. All rights reserved. #include<bits/stdc++.h> #define MAX 105 #define optimiza_io cin.tie(0); ios_base::sync_with_stdio(0); #define what_is(x) cerr << #x << " is " << x << endl; #define pii pair <ll, ll> #define fi first #define se second using namespace std; typedef long long ll; const ll INF = 1e13; ll N, X, a[MAX], ans, rnd, M; ll vis[MAX][MAX][MAX]; ll memo[MAX][MAX][MAX]; ll dp(ll i, ll k, ll md) { if(i > N) { if(md or k) return -INF; return 0; } if(vis[i][k][md] == rnd) return memo[i][k][md]; // NOPE ll ans = dp(i + 1, k, md); // YEP if(k > 0) ans = max(ans, dp(i + 1, k - 1, (md + a[i]) % M) + a[i]); vis[i][k][md] = rnd; return memo[i][k][md] = ans; } int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin) ; freopen("output.txt", "w", stdout) ; #endif optimiza_io cin >> N >> X; for(ll i = 1; i <= N; i ++) cin >> a[i]; sort(a + 1, a + N + 1); ans = X - a[N]; for(ll i = 2; i <= N; i ++) { rnd++; M = i; ll st = (i - (X % i)) % i; ll can = dp(1, i, st); if(can > 0) ans = min(ans, (X - can) / i); } cout << ans << "\n"; return 0; } // CHECAR LIMITES
#include <bits/stdc++.h> using namespace std; void fast() { ios_base::sync_with_stdio(false); cin.tie(NULL); } vector<string> vec_splitter(string s) { s += ','; vector<string> res; while(!s.empty()) { res.push_back(s.substr(0, s.find(','))); s = s.substr(s.find(',') + 1); } return res; } void debug_out( vector<string> __attribute__ ((unused)) args, __attribute__ ((unused)) int idx, __attribute__ ((unused)) int LINE_NUM) { cerr << endl; } template <typename Head, typename... Tail> void debug_out(vector<string> args, int idx, int LINE_NUM, Head H, Tail... T) { if(idx > 0) cerr << ", "; else cerr << "Line(" << LINE_NUM << ") "; stringstream ss; ss << H; cerr << args[idx] << " = " << ss.str(); debug_out(args, idx + 1, LINE_NUM, T...); } #ifdef LOCAL #define debug(...) debug_out(vec_splitter(#__VA_ARGS__), 0, __LINE__, __VA_ARGS__) #else #define debug(...) 42 #endif double get_time() { return 1.0 * clock() / CLOCKS_PER_SEC; } int main() { int n, k; cin >> n >> k; vector<vector<int>> a(n, vector<int>(n)); for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) cin >> a[i][j]; } int w = (k*k + 1) / 2; auto can = [&] (int x) { auto b = a; for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(b[i][j] <= x) b[i][j] = 1; else b[i][j] = 0; } } // is there a k x k submatrix of b with sum >= w? vector<vector<int>> pref(n + 1, vector<int>(n + 1)); for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { pref[i + 1][j] = pref[i][j] + b[i][j]; } } for(int i = 0; i < n + 1 - k; i++) { int sum = 0; for(int a = 0; a < k; a++) { sum += pref[i + k][a] - pref[i][a]; } debug(i + 1, x, sum); for(int j = 0; j < n + 1 - k; j++) { debug(x, i + 1, j + 1, sum); if(sum >= w) { debug(x, i + 1, j + 1, sum); return true; } if(j + k < n) { sum -= pref[i + k][j] - pref[i][j]; sum += pref[i + k][j + k] - pref[i][j + k]; } } } return false; }; debug(can(4)); int lo = 0, hi = 1E9 + 5; while(lo < hi) { int mid = (lo + hi) / 2; if(can(mid)) hi = mid; else lo = mid + 1; } assert(can(lo)); cout << lo << '\n'; }
#include<iostream> #include<string> #include<algorithm> #include<cmath> #include<vector> #include<list> #include<stack> #include<queue> #include<map> #include<set> #include<iomanip> #include<tuple> #include<cstring> #include<bitset> #define REP(i,n) for(ll i=0;i<(ll)n;i++) #define ALL(x) (x).begin(),(x).end() #define SZ(x) ((ll)(x).size()) #define pb push_back #define eb emplace_back #define INF 1000000000 #define INFLL 1000000000000000000LL using namespace std; 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; } using ll = long long; using PP = pair<ll, ll>; #define MAX_N 200000 ll N; PP x[MAX_N], y[MAX_N]; vector<ll> ans; map<PP, ll> mp; int main() { cin >> N; REP(i, N) { cin >> x[i].first >> y[i].first; x[i].second = i; y[i].second = i; } sort(x, x + N); sort(y, y + N); REP(i, 10)REP(j, 10) { if (i < N && 0 <= N - j && N - j < N && i != N - j) { ll f =max(x[i].second, x[N - j].second); ll s = min(x[i].second, x[N - j].second); chmax(mp[{f, s}], abs(x[i].first - x[N - j].first)); f = max(y[i].second, y[N - j].second); s = min(y[i].second, y[N - j].second); chmax(mp[{f, s}], abs(y[i].first - y[N - j].first)); } } for (auto&& m : mp) { ans.push_back(m.second); } sort(ALL(ans)); cout << ans[SZ(ans) - 2] << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define mod 998244353 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 ll binpow(ll x,ll y)/* (x^y)%p in O(log y) */{ll res=1;while (y > 0){if(y&1)res=(res*x);y = y>>1;x=(x*x);}return res;} ll binpowmod(ll x,ll y,ll p)/* (x^y)%p in O(log y) */{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;} ll mod_inverse(ll n,ll p)/* Returns n^(-1) mod p */{return binpowmod(n,p-2,p);} ll gcd(ll x,ll y) { if(y==0) return x; return gcd(y,x%y); } bool isPowerOfTwo (ll x) { /* First x in the below expression is for the case when x is 0 */ return x && (!(x&(x-1))); } void swap(int &x,int &y){ int temp = x; x = y; y = temp; } unsigned int onesComplement(unsigned int n) { // Find number of bits in the given integer int number_of_bits = floor(log2(n))+1; // XOR the given integer with poe(2, // number_of_bits-1 and print the result return ((1 << number_of_bits) - 1) ^ n; } bool comp1(pair<int,int> x, pair<int,int> y) { return x.second < y.second; } // class cmp //comrootator for priority_queue // { //declaration: priority_queue<int,vector<int>,cmp> // public: // bool operator()(E& A,E& B) // { // // if(A.first == B.first) // // return A.second < B.second; // return A.wt > B.wt; // } // }; void solve(){ int n; cin >> n; vector<pair<ll,ll>> xy; for(int i = 0; i < n; ++i) { ll x, y; cin >> x >> y; xy.push_back({x, y}); } sort(xy.begin(), xy.end()); vector<ll> ans; for(int i = 1; i < n; ++i) { ll dist = max(abs(xy[i].first - xy[0].first), abs(xy[i].second - xy[0].second)); ans.push_back(dist); } for(int i = n - 2; i >= 1; --i) { ll dist = max(abs(xy[i].first - xy[n - 1].first), abs(xy[i].second - xy[n - 1].second)); ans.push_back(dist); } xy.pop_back(); reverse(xy.begin(), xy.end()); xy.pop_back(); sort(xy.begin(), xy.end(),[](pair<ll,ll>& p, pair<ll,ll>& q){ return p.second < q.second; }); if(xy.size() >= 2) { n = xy.size(); for(int i = 1; i < n; ++i) { ll dist = max(abs(xy[i].first - xy[0].first), abs(xy[i].second - xy[0].second)); ans.push_back(dist); } for(int i = n - 2; i >= 1; --i) { ll dist = max(abs(xy[i].first - xy[n - 1].first), abs(xy[i].second - xy[n - 1].second)); ans.push_back(dist); } } sort(ans.begin(), ans.end(), greater<ll>()); cout << ans[1]; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(15); // int t; // cin >> t; // while(t--){ // solve(); // } solve(); }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; ++i) using namespace std; int main() { int n; cin >> n; vector<long long> ref(200, 0); vector<int> arr(n); rep(i, n) { cin >> arr[i]; ref[arr[i] % 200]++; } long long ans = 0; rep(i, 200) ans += ref[i]*(ref[i]-1) / 2; cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll n,ans; int main(){ cin>>n; for(ll i=1;i*i<=n+n;i++){ ll S=n+n-i*(i-1); if(S%(i+i)!=0)continue; ll l=S/(i+i); if(l<=0)continue; ans++; } ans<<=1; cout<<ans<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> VI; typedef vector<long long> Vll; ll mm=1000000000;ll MM=mm+7; #define rep(i, n) for(int i=0;i<n;i++) #define PI 3.141592653589793 struct UnionFind{ vector<int> par; // par[自分]=親 UnionFind(ll N) :par(N){ rep(i,N) par[i]=i; } int root(int x){ //データxの木の根を得る if(par[x] ==x)return x; return par[x]=root(par[x]); } void unite(int x,int y){ // xとyの木を併合 int rx=root(x); int ry=root(y); if(rx==ry)return; par[rx]=ry; } bool same(int x,int y){ //x,yの木の根が同じならtrueを返す int rx=root(x); int ry=root(y); return rx==ry; } }; int main(){ ll n,m; cin >> n >> m; Vll a(n),b(n); rep(i,n)cin >>a[i]; rep(i,n)cin >> b[i]; UnionFind tree(n); rep(i,m){ ll c,d; cin >> c>> d; tree.unite(c-1,d-1); } map<ll,ll > aa,bb; rep(i,n){ if(aa.count(tree.root(i))){ aa[tree.root(i)]+=a[i]; bb[tree.root(i)]+=b[i]; } else{ aa[tree.root(i)]=a[i]; bb[tree.root(i)]=b[i]; } } bool ans=true; for(auto p: aa){ ll x=p.first; if(aa[x]==bb[x])continue; else { ans=false; break; } } if(ans)cout << "Yes" << endl; else cout << "No" << endl; }
#include <cstdio> #include <cstdlib> #include <cmath> #include <climits> #include <cfloat> #include <map> #include <utility> #include <set> #include <iostream> #include <memory> #include <string> #include <vector> #include <algorithm> #include <functional> #include <sstream> #include <complex> #include <stack> #include <queue> #include <cstring> #include <iomanip> #include <cassert> using namespace std; typedef long long ll; int N, M; vector<ll> A; vector<ll> B; vector<int> edge[200010]; bool arrived[200010]; pair<ll, ll> dfs(int cur) { pair<ll, ll> ret = {A[cur], B[cur]}; arrived[cur] = true; for (int i = 0; i < (int)edge[cur].size(); i++) { int nxt = edge[cur][i]; if (arrived[nxt] == false) { pair<ll, ll> p = dfs(nxt); ret.first += p.first; ret.second += p.second; } } //cout << cur << " " << ret.first << " " << ret.second << endl; return ret; } int main() { cin >> N >> M; for (int i = 0; i < N; i++) { int a; cin >> a; A.emplace_back(a); } for (int i = 0; i < N; i++) { int b; cin >> b; B.emplace_back(b); } for (int i = 0; i < M; i++) { int c, d; cin >> c >> d; c--; d--; edge[c].emplace_back(d); edge[d].emplace_back(c); } memset(arrived, false, sizeof(arrived)); for (int i = 0; i < N; i++) { if (arrived[i] == false) { pair<ll, ll> p = dfs(i); if (p.first != p.second) { cout << "No" << endl; return 0; } } } cout << "Yes" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0; i<(n); i++) #define rep2(i,x,n) for(int i=x; i<(n); i++) #define all(x) x.begin(),x.end() typedef long long ll; ll mod = 1000000007; ll inf = 1e18; int main(){ int n; cin >> n; vector<int> a(n),b(n),c(n),d(n),e(n); rep(i,n) cin >> a[i] >> b[i] >> c[i] >> d[i] >> e[i]; vector<int> ftest(n,0),ff(n,0); rep(i,n){ for(int j=i+1; j<n; j++){ if(a[i]>=a[j] && b[i]>=b[j] && c[i]>=c[j] && d[i]>=d[j] && e[i]>=e[j]) ftest[j]--; if(a[i]<=a[j] && b[i]<=b[j] && c[i]<=c[j] && d[i]<=d[j] && e[i]<=e[j]) ftest[i]--; if(a[i]==a[j] && b[i]==b[j] && c[i]==c[j] && d[i]==d[j] && e[i]==e[j]){ ff[i]++;ftest[j]=-3; ff[j]=-10000; } } } vector<int> fc; rep(i,n) { if(ftest[i]>=-2) fc.push_back(i); if(ff[i]==1){ rep(i,2) fc.push_back(i); } if(ff[i]>=2){ rep(i,3) fc.push_back(i); } } int m=fc.size(); // cout << m << endl; int ans=1; rep(i,m){ for(int j=i+1; j<m; j++){ for(int k=j+1; k<m; k++){ int pp=max(a[fc[i]],max(a[fc[j]],a[fc[k]])); int ss=max(b[fc[i]],max(b[fc[j]],b[fc[k]])); int tt=max(c[fc[i]],max(c[fc[j]],c[fc[k]])); int cc=max(d[fc[i]],max(d[fc[j]],d[fc[k]])); int hh=max(e[fc[i]],max(e[fc[j]],e[fc[k]])); int allp=min(pp,min(ss,min(tt,min(cc,hh)))); ans=max(ans,allp); } } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #ifdef tabr #include "library/debug.cpp" #else #define debug(...) #endif template <long long mod> struct modular { long long value; modular(long long x = 0LL) { value = x % mod; if (value < 0LL) value += mod; } modular& operator+=(modular other) { if ((value += other.value) >= mod) value -= mod; return *this; } modular& operator-=(modular other) { if ((value -= other.value) < 0LL) value += mod; return *this; } modular& operator*=(modular other) { value = value * other.value % mod; return *this; } modular& operator/=(modular other) { long long a = 0LL, b = 1LL, c = other.value, m = mod; while (c != 0LL) { long long t = m / c; m -= t * c; swap(c, m); a -= t * b; swap(a, b); } a %= mod; if (a < 0LL) a += mod; value = value * a % mod; return *this; } modular operator-() { return modular(-value); } modular operator+(modular rhs) { return modular(*this) += rhs; } modular operator-(modular rhs) { return modular(*this) -= rhs; } modular operator*(modular rhs) { return modular(*this) *= rhs; } modular operator/(modular rhs) { return modular(*this) /= rhs; } bool operator==(modular rhs) { return value == rhs.value; } bool operator!=(modular rhs) { return value != rhs.value; } bool operator<(modular rhs) { return value < rhs.value; } }; template <long long mod> string to_string(modular<mod> x) { return to_string(x.value); } template <long long mod> ostream& operator<<(ostream& stream, modular<mod> x) { x.value %= mod; if (x.value < 0LL) x.value += mod; return stream << x.value; } template <long long mod> istream& operator>>(istream& stream, modular<mod>& x) { stream >> x.value; x.value %= mod; if (x.value < 0LL) x.value += mod; return stream; } const long long mod = (long long)1e9 + 7; using mint = modular<mod>; inline mint pw(mint a, long long n) { mint res = 1; while (n > 0LL) { if (n & 1LL) { res *= a; } a *= a; n >>= 1; } return res; } vector<mint> fact, finv; inline void cinit(int n) { fact.resize(n, mint(1LL)); finv.resize(n, mint(1LL)); for (int i = 2; i < n; i++) { fact[i] = fact[i - 1] * i; } finv[n - 1] /= fact[n - 1]; for (int i = n - 2; i >= 2; i--) { finv[i] = finv[i + 1] * (i + 1); } } inline mint C(int n, int k) { if (n < k || k < 0 || n < 0) { return mint(0LL); } return fact[n] * finv[k] * finv[n - k]; } int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<vector<int>> c(2, vector<int>(2)); for (int i = 0; i < 2; i++) { for (int j = 0; j < 2; j++) { char x; cin >> x; c[i][j] = x - 'A'; } } if (n <= 3) { cout << 1 << '\n'; return 0; } if (c[0][1] == 1) { swap(c[0][0], c[1][1]); for (int i = 0; i < 2; i++) { for (int j = 0; j < 2; j++) { c[i][j] ^= 1; } } } if (c[0][0] == 0) { cout << 1 << '\n'; } else if (c[1][0] == 0) { vector<vector<mint>> dp(2, vector<mint>(n)); dp[0][0] = 1; for (int i = 1; i < n; i++) { dp[0][i] = dp[0][i - 1] + dp[1][i - 1]; dp[1][i] = dp[0][i - 1]; } cout << dp[1][n - 1] << '\n'; } else { cout << pw(2, n - 3) << '\n'; } return 0; }
#include<cstdio> #include<cstring> using namespace std; typedef long long ll; ll mymin(ll x,ll y) {return x<y?x:y;} int main() { ll n;scanf("%lld",&n); ll Ans=n; for(int i=0;i<=62;i++){ ll t=(1ll<<i); Ans=mymin(Ans,n/t+n%t+i); } printf("%lld\n",Ans); return 0; }
#ifndef AUTO_UTIL_HEADER_HPP #define AUTO_UTIL_HEADER_HPP #include <bits/stdc++.h> #include <cassert> using std::cin, std::cout, std::bitset, std::complex; using std::vector, std::array, std::string, std::pair, std::list, std::queue, std::deque; using std::priority_queue, std::set, std::map, std::unordered_map; using std::greater; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using ull = unsigned long long int; using ll = long long int; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>; using P = pair<int, int>; using Pll = pair<ll, ll>; using cdouble = complex<double>; const double eps = 1e-7; #define Loop(i, n) for(int i = 0; i < int(n); i++) #define Loopll(i, n) for(ll i = 0; i < ll(n); i++) #define Loop1(i, n) for(int i = 1; i <= int(n); i++) #define Loopll1(i, n) for(ll i = 1; i <= ll(n); i++) #define Loopr(i, n) for(int i = int(n) - 1; i >= 0; i--) #define Looprll(i, n) for(ll i = ll(n) - 1; i >= 0; i--) #define Loopr1(i, n) for(int i = int(n); i >= 1; i--) #define Looprll1(i, n) for(ll i = ll(n); i >= 1; i--) #define Foreach(buf, container) for(const auto &buf : container) #define Foreachr(buf, container) for(const auto &buf : reversed(container)) #define Loopdiag(i, j, h, w, sum) for(int i = ((sum) >= (h) ? (h) - 1 : (sum)), j = (sum) - i; i >= 0 && j < (w); i--, j++) #define Loopdiagr(i, j, h, w, sum) for(int j = ((sum) >= (w) ? (w) - 1 : (sum)), i = (sum) - j; j >= 0 && i < (h); j--, i++) #define Loopdiagsym(i, j, h, w, gap) for (int i = ((gap) >= 0 ? (gap) : 0), j = i - (gap); i < (h) && j < (w); i++, j++) #define Loopdiagsymr(i, j, h, w, gap) for (int i = ((gap) > (h) - (w) - 1 ? (h) - 1 : (w) - 1 + (gap)), j = i - (gap); i >= 0 && j >= 0; i--, j--) #define Loopitr(itr, container) for(auto itr = container.begin(); itr != container.end(); itr++) #define quickio() std::ios::sync_with_stdio(false); std::cin.tie(0); #define bitmanip(m,val) static_cast<bitset<(int)m>>(val) #define Comp(type_t) bool operator<(const type_t &another) const #define fst first #define snd second bool feq(double x, double y) { return abs(x - y) <= eps; } bool inrange(ll x, ll t) { return x >= 0 && x < t; } bool inrange(vll xs, ll t) { Foreach(x, xs) if (!(x >= 0 && x < t)) return false; return true; } int ceillog2(ll x) { int m = int(log2(x)); return m + ((1LL << m) < x ? 1 : 0); } int floorlog2(ll x) { int m = int(log2(x)); return m - ((1LL << m) > x ? 1 : 0); } const string endl = "\n"; template<class T> T reversed(T container) { reverse(container.begin(), container.end()); return container; } template<class T> void printv(const vector<T> &v) { for (const T &x : v) cout << x << " "; cout << endl; } template<class T> void printmx(const vector<vector<T>> &mx) { for (const vector<T> &v : mx) printv(v); } template<class T> void chmin(T &x, const T &y) { x = std::min(x, y); } template<class T> void chmax(T &x, const T &y) { x = std::max(x, y); } ll rndf(double x) { return (ll)(x + (x >= 0 ? 0.5 : -0.5)); } ll floorsqrt(ll x) { ll m = (ll)sqrt((double)x); return m + (m* m <= x ? 0 : -1); } ll ceilsqrt(ll x) { ll m = (ll)sqrt((double)x); return m + (x <= m * m ? 0 : 1); } ll rnddiv(ll a, ll b) { return (a / b + (a % b * 2 >= b ? 1 : 0)); } ll ceildiv(ll a, ll b) { return (a / b + (a % b == 0 ? 0 : 1)); } ll gcd(ll m, ll n) { if (n == 0) return m; else return gcd(n, m % n); } ll lcm(ll m, ll n) { return ll(m) * ll(n) / gcd(m, n); } #endif // AUTO_UTIL_HEADER_HPP //========================================================================// int main() { ll n; cin >> n; ll ans = LLONG_MAX; Loopll(b, 62) { ll a = n >> b; ll c = n % (1LL << b); chmin(ans, a + b + c); } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; template<typename T> void view_1d(vector<T> V, string sep) { for (ll i=0; i<V.size(); i++) { cout << V[i]; if (i == V.size() - 1) { cout << endl; } else { cout << sep; } } } template<typename T> void view_2d(vector<vector<T>> V, string sep) { for (ll i=0; i<V.size(); i++) { for (ll j=0; j<V[i].size(); j++) { cout << V[i][j]; if (j == V[i].size() - 1) { cout << endl; } else { cout << sep; } } } } //==============================// int main() { ll N, P; cin >> N >> P; ll BASE = 1000000007; ll n = N - 1; ll x = P - 2; ll ans = P - 1; while (n > 0) { if (n & 1) ans = ans * x % BASE; x = x * x % BASE; n >>= 1; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int A; int B; cin >> A >> B; A >= 0; B <= 2 * A + 100; B <= 1000; cout << 2 * A + 100 - B << endl; }
#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...);} const int MAX = 4e5 + 5; int vis[MAX]; vector<pair<int, int>> adj[MAX]; bool dfs(int u, int p) { bool ret = true; vis[u] = true; for (auto [v, i] : adj[u]) { if (!vis[v]) ret &= dfs(v, i); else if (i != p) ret = false; } return ret; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; cin >> n; for (int i=0; i<n; i++) { int a, b; cin >> a >> b; adj[a].emplace_back(b, i); adj[b].emplace_back(a, i); } int ret = MAX - 1; for (int i=1; i<MAX; i++) if (!vis[i] && dfs(i, -1)) ret--; cout << ret << "\n"; return 0; }
#include<bits/stdc++.h> #define rep(i, n) for (int i = 0, length = n; i < length; i++) #define fi first #define se second #define lb lower_bound #define ub upper_bound #define ep emplace #define epb emplace_back #define scll static_cast<long long> #define sz(x) static_cast<int>((x).size()) #define pfll(x) printf("%lld\n", x) #define ci(x) cin >> x #define ci2(x, y) cin >> x >> y #define ci3(x, y, z) cin >> x >> y >> z #define ci4(w, x, y, z) cin >> w >> x >> y >> z #define co(x) cout << x << endl #define co2(x, y) cout << x << " " << y << endl #define co3(x, y, z) cout << x << " " << y << " " << z << endl using namespace std; typedef long long ll; typedef pair<int, int> P; typedef priority_queue<int> PQ; typedef priority_queue<int, vector<int>, greater<int>> PQG; typedef priority_queue<P> PQP; typedef priority_queue<P, vector<P>, greater<P>> PQPG; const int MAX_N = 1e3, MOD = 1e9 + 7, INF = 1e9; int n, m; bool used[MAX_N * MAX_N]; map<char, vector<int>> to[MAX_N]; int main() { ci2(n, m); rep(i, m) { int a, b; char c; ci3(a, b, c); to[a - 1][c].epb(b - 1); to[b - 1][c].epb(a - 1); } queue<P> q; q.ep(0, n - 1); used[n - 1] = true; int ans = INF, dist = 0; while (!q.empty()) { P p = q.front(); q.pop(); if (p.fi > dist && ans < INF) { co(ans); return 0; } dist = p.fi; int l = p.se / n, r = p.se % n; for (auto &i: to[l]) { if (to[r].find(i.fi) == to[r].end()) continue; for (auto &j: to[l][i.fi]) { for (auto &k: to[r][i.fi]) { if (j == r && k == l) ans = min(ans, 2 * p.fi + 1); if (j == k) ans = min(ans, 2 * p.fi + 2); int tmp = j * n + k; if (!used[tmp]) { q.ep(p.fi + 1, tmp); used[tmp] = true; } } } } } co(-1); return 0; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0; i<(n); i++) #define reps(i,s,n) for(int i=(s); i<(n); i++) #define all(v) v.begin(),v.end() #define outve(v) for(auto i : v) cout << i << " ";cout << endl #define outmat(v) for(auto i : v){for(auto j : i) cout << j << " ";cout << endl;} #define in(n,v) for(int i=0; i<(n); i++){cin >> v[i];} #define out(n) cout << (n) << endl #define fi first #define se second #define pb push_back #define si(v) int(v.size()) #define len(v) int(v.length()) #define lob(v,n) lower_bound(all(v),n) #define lobi(v,n) lower_bound(all(v),n) - v.begin() #define upb(v,n) upper_bound(all(v),n) #define upbi(v,n) upper_bound(all(v),n) - v.begin() #define mod 1000000007 #define infi 1010000000 #define infl 1100000000000000000 #define cyes cout << "Yes" << endl #define cno cout << "No" << endl #define csp << " " << #define outset(n) cout << fixed << setprecision(n); using namespace std; using ll = long long; using ld = long double; using vi = vector<int>; using vvi = vector<vector<int>>; using vd = vector<double>; using vvd = vector<vector<double>>; using vl = vector<ll>; using vvl = vector<vector<ll>>; using pii = pair<int,int>; using pll = pair<ll,ll>; template<typename T> using ve = vector<T>; template<typename T> using pq2 = priority_queue<T>; template<typename T> using pq1 = priority_queue<T,vector<T>,greater<T>>; template<typename T> bool chmax(T &a, T b) {if(a < b) {a = b;return 1;}return 0;} template<typename T> bool chmin(T &a, T b) {if(a > b) {a = b;return 1;}return 0;} char ff(char s, char t){ if(s == t) return t; if(s != 'R' && t != 'R') return 'R'; else if(s != 'B' && t != 'B') return 'B'; else return 'W'; } string g(string s){ //cout << 1 csp si(s) csp s << endl; if(si(s) == 1) return s; int a = 1; int aa = a; while (a <= si(s)) { if((si(s)-1) % a == 0) chmax(aa,a); a *= 3; } string t = ""; int b = 0; while (b+aa < si(s)) { t += ff(s[b],s[b+aa]); //cout << s[b] csp b csp s[b+aa] csp b+aa << " "; b += aa; } //cout << endl; if(si(t) == 1) return t; else return g(t); } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int N; cin >> N; string s; cin >> s; cout << g(s) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int mod = 1e9 + 7; class Mint { private: int val; public: Mint () {val = 0;} Mint(int _val) : val(_val) {} Mint& operator += (const Mint &o) {val = (val + o.val < mod ? val + o.val : val + o.val - mod); return *this;} template <typename T> Mint& operator += (const T &o) {return *this += Mint(o);} Mint& operator -= (const Mint &o) {val = (val < o.val ? val - o.val + mod : val - o.val); return *this;} template <typename T> Mint& operator -= (const T &o) {return *this -= Mint(o);} Mint& operator *= (const Mint &o) {return *this = (1LL * val * o.val >= mod ? (1LL * val * o.val) % mod : val * o.val);} template <typename T> Mint& operator *= (const T &o) {return *this *= Mint(o);} friend bool operator == (const Mint &o1, const Mint &o2) {return (o1.val == o2.val);} template <typename T> friend bool operator == (const Mint &o1, const T &o2) {return (o1 == Mint(o2));} template <typename T> friend bool operator == (const T &o1, const Mint &o2) {return (Mint(o1) == o2);} friend bool operator != (const Mint &o1, const Mint &o2) {return (o1.val != o2.val);} template <typename T> friend bool operator != (const Mint &o1, const T &o2) {return (o1 != Mint(o2));} template <typename T> friend bool operator != (const T &o1, const Mint &o2) {return (Mint(o1) != o2);} friend Mint operator + (const Mint &o1, const Mint &o2) {return Mint(o1) += o2;} template <typename T> friend Mint operator + (const Mint &o1, const T &o2) {return Mint(o1) += o2;} template <typename T> friend Mint operator + (const T &o1, const Mint &o2) {return Mint(o1) += o2;} friend Mint operator - (const Mint &o1, const Mint &o2) {return Mint(o1) -= o2;} template <typename T> friend Mint operator - (const Mint &o1, const T &o2) {return Mint(o1) -= o2;} template <typename T> friend Mint operator - (const T &o1, const Mint &o2) {return Mint(o1) -= o2;} friend Mint operator * (const Mint &o1, const Mint &o2) {return Mint(o1) *= o2;} template <typename T> friend Mint operator * (const Mint &o1, const T &o2) {return Mint(o1) *= o2;} template <typename T> friend Mint operator * (const T &o1, const Mint &o2) {return Mint(o1) *= o2;} Mint power(long long y) { Mint ans = 1; Mint x = *this; while(y > 0) { if(y & 1) ans *= x; y >>= 1; x *= x; } return ans; } Mint inverse () {return power(mod - 2);} Mint& operator /= (const Mint &o) {return *this *= Mint(o).inverse();} template <typename T> Mint& operator /= (const T &o) {return *this *= Mint(o).inverse();} friend Mint operator / (const Mint &o1, const Mint &o2) {return Mint(o1) /= o2;} template <typename T> friend Mint operator / (const Mint &o1, const T &o2) {return Mint(o1) /= o2;} template <typename T> friend Mint operator / (const T &o1, const Mint &o2) {return Mint(o1) /= o2;} bool operator ~ () const {return ~(this -> val);} bool operator ! () const {return (this -> val == 0);} void operator ++ () {*this += 1;} void operator -- () {*this -= 1;} void operator ++ (int) {*this += 1;} void operator -- (int) {*this -= 1;} friend ostream &operator << (ostream &os, const Mint &o) {os << o.val; return os;} }; const int maxN = 3005; Mint dp[maxN][maxN], mp[maxN][maxN]; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin >> n; ll a[n]; for(int i = 0; i < n; i++) { cin >> a[i]; } mp[0][0] = 1; ll sum = 0; for(int i = 1; i <= n; i++) { sum += a[i - 1]; for(int j = i; j > 0; j--) { dp[i][j] = mp[j - 1][sum % j]; mp[j][sum % (j + 1)] += dp[i][j]; } } Mint ans = 0; for(int i = 1; i <= n; i++) { ans += dp[n][i]; } cout << ans; }
#include <bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; vector<pair<int,int>> x; vector<pair<int,int>> y; for(int i = 0; i < n; i++){ int xi, yi; cin >> xi >> yi; x.push_back(make_pair(xi,i)); y.push_back(make_pair(yi,i)); } sort(x.begin(),x.end()); sort(y.begin(),y.end()); vector<tuple<int,int,int>> l; l.push_back(make_tuple(x[n-1].first-x[0].first,x[0].second,x[n-1].second)); l.push_back(make_tuple(x[n-1].first-x[1].first,x[1].second,x[n-1].second)); l.push_back(make_tuple(x[n-2].first-x[0].first,x[0].second,x[n-2].second)); l.push_back(make_tuple(y[n-1].first-y[0].first,y[0].second,y[n-1].second)); l.push_back(make_tuple(y[n-1].first-y[1].first,y[1].second,y[n-1].second)); l.push_back(make_tuple(y[n-2].first-y[0].first,y[0].second,y[n-2].second)); sort(l.begin(),l.end()); reverse(l.begin(),l.end()); int lmax_a, lmax_b; tie(ignore,lmax_a,lmax_b) = l[0]; int ans; for(auto li : l){ int il, ia, ib; tie(il,ia,ib) = li; if(!((lmax_a == ia && lmax_b == ib)||(lmax_a == ib && lmax_b == ia))){ ans = il; break; } } cout << ans << endl; }
#include<iostream> #include<vector> #include<algorithm> #include<stack> #include<map> #include<set> #include<queue> #include<string.h> #include<math.h> #define ll long long #define FOR(i,a,b) for(int i=a;i<b;i++) #define pb push_back #define F first #define S second #define MAX 500005 #define MOD (ll)(1e9+7) #define INF (ll)(1e18) #define AC ios::sync_with_stdio(0);cin.tie(0); using namespace std; signed main(){ AC; int n; cin>>n; vector<pair<ll,int> > x; vector<pair<ll,int> > y; FOR(i,0,n){ ll a,b; cin>>a>>b; x.pb({a,i}); y.pb({b,i}); } sort(x.begin(),x.end()); sort(y.begin(),y.end()); vector<pair<ll,pair<int,int> > > aa; aa.clear(); map<pair<int,int> ,bool> used; aa.pb({abs(x[0].F-x[n-1].F),{x[n-1].S,x[0].S}}); aa.pb({abs(x[0].F-x[n-2].F),{x[n-2].S,x[0].S}}); aa.pb({abs(x[1].F-x[n-1].F),{x[n-1].S,x[1].S}}); aa.pb({abs(y[0].F-y[n-1].F),{y[n-1].S,y[0].S}}); aa.pb({abs(y[0].F-y[n-2].F),{y[n-2].S,y[0].S}}); aa.pb({abs(y[1].F-y[n-1].F),{y[n-1].S,y[1].S}}); sort(aa.begin(),aa.end()); if(aa[5].S.F==aa[4].S.F&&aa[5].S.S==aa[4].S.S){ cout<<aa[3].F<<endl; } else if(aa[5].S.F==aa[4].S.S&&aa[5].S.S==aa[4].S.F){ cout<<aa[3].F<<endl; } else{ cout<<aa[4].F<<endl; } }
#include<bits/stdc++.h> #define int long long using namespace std; int get() { int x = 0, f = 1; char c = getchar(); while(!isdigit(c)) { if(c == '-') f = -1; c = getchar(); } while(isdigit(c)) { x = x * 10 + c - '0'; c = getchar(); } return x * f; } const int N = 2e5 + 5; int n, m, q, a[N], b[N], ans, len, bin[N], tot; struct Ask { int T, x, y; } s[N]; struct BIT { int sum[N], sum0; int lowbit(int x) { return x & (-x); } void add(int x, int v) { while(x <= tot) sum[x] += v, x += lowbit(x); } int ask(int x) { int r(0); while(x) r += sum[x], x -= lowbit(x); return r + sum0; } int ask(int l, int r) { if(l > r) return 0; return ask(r) - ask(l - 1); } } A1, B1, AS, BS; void add1(int x) { ans += BS.ask(a[x] + 1, tot) + bin[a[x]] * B1.ask(1, a[x]); A1.add(a[x], 1), AS.add(a[x], bin[a[x]]); } void del1(int x) { ans -= BS.ask(a[x] + 1, tot) + bin[a[x]] * B1.ask(1, a[x]); A1.add(a[x], -1), AS.add(a[x], -bin[a[x]]); } void add2(int x) { ans += AS.ask(b[x], tot) + bin[b[x]] * A1.ask(1, b[x] - 1); B1.add(b[x], 1), BS.add(b[x], bin[b[x]]); } void del2(int x) { ans -= AS.ask(b[x], tot) + bin[b[x]] * A1.ask(1, b[x] - 1); B1.add(b[x], -1), BS.add(b[x], -bin[b[x]]); } signed main() { n = get(), m = get(), q = get(); for(int i = 1; i <= q; i++) s[i].T = get(), s[i].x = get(), s[i].y = get(), bin[i] = s[i].y; bin[q + 1] = 0; sort(bin + 1, bin + 1 + q + 1), tot = unique(bin + 1, bin + 1 + q + 1) - bin - 1; for(int i = 1; i <= q; i++) s[i].y = lower_bound(bin + 1, bin + 1 + tot, s[i].y) - bin; for(int i = 1; i <= n; i++) a[i] = 1; for(int i = 1; i <= m; i++) b[i] = 1; A1.add(1, n), B1.add(1, m); for(int i = 1; i <= q; i++) { int T = s[i].T, x = s[i].x, y = s[i].y; if(T == 1) del1(x), a[x] = y, add1(x); else del2(x), b[x] = y, add2(x); printf("%lld\n", ans); } return 0; }
#include <bits/stdc++.h> //#include<boost/multiprecision/cpp_int.hpp> //#include <atcoder/all> #define rep(i, a) for (int i = (int)0; i < (int)a; ++i) #define rrep(i, a) for (int i = (int)a - 1; i >= 0; --i) #define REP(i, a, b) for (int i = (int)a; i < (int)b; ++i) #define RREP(i, a, b) for (int i = (int)a - 1; i >= b; --i) #define pb push_back #define eb emplace_back #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define popcount __builtin_popcount using ll = long long; constexpr ll mod = 1e9 + 7; constexpr ll INF = 1LL << 60; // #pragma GCC target("avx2") // #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") //using lll=boost::multiprecision::cpp_int; 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; } template <typename T> T mypow(T x, T n, const T &p = -1) { //x^nをmodで割った余り T ret = 1; while (n > 0) { if (n & 1) { if (p != -1) ret = (ret * x) % p; else ret *= x; } if (p != -1) x = (x * x) % p; else x *= x; n >>= 1; } return ret; } using namespace std; // using namespace atcoder; template<int mod> struct Modint{ int x; Modint():x(0){} Modint(int64_t y):x((y%mod+mod)%mod){} Modint &operator+=(const Modint &p){ if((x+=p.x)>=mod) x -= mod; return *this; } Modint &operator-=(const Modint &p){ if((x+=mod-p.x)>=mod) x -= mod; return *this; } Modint &operator*=(const Modint &p){ x = (1LL * x * p.x) % mod; return *this; } Modint &operator/=(const Modint &p){ *this *= p.inverse(); return *this; } Modint operator-() const { return Modint(-x); } Modint operator+(const Modint &p) const{ return Modint(*this) += p; } Modint operator-(const Modint &p) const{ return Modint(*this) -= p; } Modint operator*(const Modint &p) const{ return Modint(*this) *= p; } Modint operator/(const Modint &p) const{ return Modint(*this) /= p; } bool operator==(const Modint &p) const { return x == p.x; } bool operator!=(const Modint &p) const{return x != p.x;} Modint inverse() const{//非再帰拡張ユークリッド int a = x, b = mod, u = 1, v = 0; while(b>0){ int t = a / b; swap(a -= t * b, b); swap(u -= t * v, v); } return Modint(u); } Modint pow(int64_t n) const{//繰り返し二乗法 Modint ret(1), mul(x); while(n>0){ if(n&1) ret *= mul; mul *= mul; n >>= 1; } return ret; } friend ostream &operator<<(ostream &os,const Modint &p){ return os << p.x; } }; using modint = Modint<mod>; void solve() { double a,b; cin>>a>>b; double x=a-b; double ans=x/a*100; cout<<ans; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); solve(); return 0; }
#include <iostream> #include <algorithm> #include <unordered_set> #include <set> #include <vector> #include <queue> #include <map> #include <numeric> #include <math.h> #include <complex> using namespace std; #define rep(i, n) for (long long int i = 0; i < (long long int)(n); i++) #define irep(i, n) for (long long int i = 1; i <= (long long int)(n); i++) #define drep(i, n, diff) for (long long int i = 0; i < (long long int)(n); i += diff) #define mod 1000000007 #define INF 100100100100100101 #define ld(val) printf("%s : %lld\n", #val, val); #define sd(val) printf("%s : %s\n", #val, val); typedef long long int ll; typedef pair<ll, ll> P; typedef pair<P, P> PP; typedef tuple<ll, ll, ll> TP; int main() { ll n, k; cin >> n >> k; rep(i, k) { if(n%200==0){ n/=200; }else{ n*=1000; n+=200; } } cout << n << endl; return 0; }
#include<bits/stdc++.h> #define ll long long #define mp make_pair #define f(i,n) for(int i=0;i<n;i++) #define F first #define S second #define pb push_back using namespace std; pair<int,int> fun(int a, int b){ return {min(a,b),max(a,b)}; } bool comp(pair<pair<ll,ll> ,int > a ,pair<pair<ll,ll> ,int > b ){ return a.F.F<b.F.F; } bool comp2(pair<pair<ll,ll> ,int > a ,pair<pair<ll,ll> ,int > b ){ return a.F.S<b.F.S; } void test(){ ll n; cin>>n; ll x[n],y[n]; f(i,n)cin>>x[i]>>y[i]; vector<pair<pair<ll,ll>,int> > v; f(i,n)v.pb({{x[i],y[i]},i}); sort(v.begin(),v.end(),comp); set<pair<int,int> > st; st.insert(fun(v[0].S,v[n-1].S)); st.insert(fun(v[0].S,v[n-2].S)); st.insert(fun(v[1].S,v[n-1].S)); sort(v.begin(),v.end(),comp2); st.insert(fun(v[0].S,v[n-1].S)); st.insert(fun(v[0].S,v[n-2].S)); st.insert(fun(v[1].S,v[n-1].S)); vector<ll> dis; for(auto z : st){ dis.pb(max(abs(x[z.F]-x[z.S]), abs(y[z.F]-y[z.S]))); } sort(dis.rbegin(),dis.rend()); cout<<dis[1]<<"\n"; } int main(){ std::ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int tests=1; // cin>>tests; while(tests--){ test(); } }
#include<iostream> #include<iomanip> #include<string> #include<vector> #include<algorithm> #include<utility> #include<tuple> #include<map> #include<queue> #include<deque> #include<set> #include<stack> #include<numeric> #include<cstdio> #include<cstdlib> #include<cstring> #include<cmath> using namespace std; using ll = long long; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; #define BIL ((ll)1e9) #define MOD ((ll)1e9+7) #define INF (1LL<<60) //1LL<<63でオーバーフロー #define inf (1<<29) //1<<29でオーバーフロー int main(int argc,char* argv[]){ cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(20); int a,b; cin >> a >> b; cout << 2*a+100-b << endl; return 0; }
#include <iostream> #include <cmath> #include <utility> using namespace std; typedef pair<int,int> pii; typedef long long ll; #define mp make_pair #define x first #define y second int main () { int a,b; cin>>a>>b; cout<<(a+b)/2<<" "; cout<<(a-b)/2; return 0; }
#include <cstdio> #include <vector> #include <cstring> #include <algorithm> using namespace std; using ll = long long; int h, w, n, m, vis[1510][1510]; struct pos{ int x, y; }; pos p[500005]; const int dx[] = {1, 0, -1, 0}; const int dy[] = {0, 1, 0, -1}; void dfs(int x, int y, int k) { if (x < 0 || y < 0 || x >= h || y >= w) return; if (vis[x][y] == 1 || vis[x][y] == -1) return; if (vis[x][y] == 0) vis[x][y] = 2; dfs(x + dx[k], y + dy[k], k); } int main() { scanf("%d %d %d %d\n", &h, &w, &n, &m); for (int i = 0; i < n; i++) { int x, y; scanf("%d %d", &x, &y); p[i].x = x - 1, p[i].y = y - 1; vis[x - 1][y - 1] = 1; } for (int i = 0; i < m; i++) { int x, y; scanf("%d %d", &x, &y); vis[x - 1][y - 1] = -1; } for (int i = 0; i < n; i++) { for (int j = 0; j < 4; j++) dfs(p[i].x + dx[j], p[i].y + dy[j], j); } int ans = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (vis[i][j] > 0) ans++; } } printf("%d", ans); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> vi; typedef vector<bool> vb; typedef map<int, int> mii; typedef pair<int, int> ii; #define INF 0x3f3f3f3f #define INFLL 0x3f3f3f3f3f3f3f3f #define each(x, s) for(auto& x : s) #define loop(x) for(int i = 0;i < x;i++) #define vloop(v, x) for(int v = 0;v < x;v++) #define avg(l, r) l + (r - l) / 2 #define iter(a) a.begin(), a.end() #define riter(a) a.rbegin(), a.rend() #define endl "\n" const ll mod = 1000000007; int main() { ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); int h, w, n, m; cin >> h >> w >> n >> m; vector<vb> grid(h, vb(w, true)); int ans = h * w, x, y; vector<vi> lvs(w, vi(1, -2)), bvs(w, vi(1, -1)), lhs(h, vi(1, -2)), bhs(h, vi(1, -1)); loop(n) { cin >> x >> y; x--, y--; grid[x][y] = false; lhs[x].push_back(y); lvs[y].push_back(x); } loop(m) { cin >> x >> y; x--, y--; grid[x][y] = false; bhs[x].push_back(y); bvs[y].push_back(x); ans--; } loop(h) { lhs[i].push_back(INF + 1); bhs[i].push_back(INF); sort(iter(lhs[i])); sort(iter(bhs[i])); } loop(w) { lvs[i].push_back(INF + 1); bvs[i].push_back(INF); sort(iter(lvs[i])); sort(iter(bvs[i])); } vi vls(w, 0), vbs(w, 0); loop(h) { int hl = 0, hb = 0; vloop(j, w) { if (lhs[i][hl + 1] == j) { hl++; vls[j]++; } else if (bhs[i][hb + 1] == j) { hb++; vbs[j]++; } if (!grid[i][j]) continue; if (lhs[i][hl] < bhs[i][hb] and lhs[i][hl + 1] > bhs[i][hb + 1] and lvs[j][vls[j]] < bvs[j][vbs[j]] and lvs[j][vls[j] + 1] > bvs[j][vbs[j] + 1]) { ans -= grid[i][j]; grid[i][j] = false; } } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; // #define LOCAL // 提出時はコメントアウト #define DEBUG_ typedef long long ll; const double EPS = 1e-9; const ll INF = ((1LL<<62)-(1LL<<31)); typedef vector<ll> vecl; typedef pair<ll, ll> pairl; template<typename T> using uset = unordered_set<T>; template<typename T, typename U> using mapv = map<T,vector<U>>; template<typename T, typename U> using umap = unordered_map<T,U>; #define ALL(v) v.begin(), v.end() #define REP(i, x, n) for(int i = x; i < n; i++) #define rep(i, n) REP(i, 0, n) #define sz(x) (ll)x.size() ll llceil(ll a,ll b) { return (a+b-1)/b; } 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> vector<vector<T>> genarr(ll n, ll m, T init) { return vector<vector<T>>(n,vector<T>(m,init)); } ///// DEBUG #define DUMPOUT cerr #define repi(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++) template<typename T>istream&operator>>(istream&is,vector<T>&vec){for(T&x:vec)is>>x;return is;} template<typename T,typename U>ostream&operator<<(ostream&os,pair<T,U>&pair_var){os<<"("<<pair_var.first<<", "<<pair_var.second<<")";return os;} template<typename T>ostream&operator<<(ostream&os,const vector<T>&vec){os<<"{";for(int i=0;i<vec.size();i++){os<<vec[i]<<(i+1==vec.size()?"":", ");} os<<"}";return os;} template<typename T,typename U>ostream&operator<<(ostream&os,map<T,U>&map_var){os<<"{";repi(itr,map_var){os<<*itr;itr++;if(itr!=map_var.end())os<<", ";itr--;} os<<"}";return os;} template<typename T>ostream&operator<<(ostream&os,set<T>&set_var){os<<"{";repi(itr,set_var){os<<*itr;itr++;if(itr!=set_var.end())os<<", ";itr--;} os<<"}";return os;} void dump_func(){DUMPOUT<<endl;} template<class Head,class...Tail>void dump_func(Head&&head,Tail&&...tail){DUMPOUT<<head;if(sizeof...(Tail)>0){DUMPOUT<<", ";} dump_func(std::move(tail)...);} #ifndef LOCAL #undef DEBUG_ #endif #ifdef DEBUG_ #define DEB #define dump(...) \ DUMPOUT << " " << string(#__VA_ARGS__) << ": " \ << "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]" \ << endl \ << " ", \ dump_func(__VA_ARGS__) #else #define DEB if (false) #define dump(...) #endif ////////// #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") int solve(ostringstream &cout) { #ifdef LOCAL ifstream in("../../Atcoder/input.txt"); cin.rdbuf(in.rdbuf()); #endif ll N; cin>>N; vecl A(N),B(N); rep(i,N) { cin>>A[i]>>B[i]; } rep(i,N) { REP(j,i+1,N) { REP(k,j+1,N) { ll x = A[j] - A[i], y = B[j] - B[i]; ll X = A[k] - A[i], Y = B[k] - B[i]; if (x * Y == y * X) { cout << "Yes" << endl; return 0; } } } } cout << "No" << endl; return 0; } int main() { ostringstream oss; int res = solve(oss); cout << oss.str(); return res; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define mod 1000000007 int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int n; cin>>n; ll arr[n][3]; for(int i=0;i<n;i++){ cin>>arr[i][0]>>arr[i][1]>>arr[i][2]; } ll ans=INT_MAX; for(int i=0;i<n;i++){ ll dif=arr[i][2]-arr[i][0]; if(dif>0){ ans=min(ans,arr[i][1]); } } if(ans==INT_MAX){ cout<<-1; } else{ cout<<ans; } return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) using namespace std; using ll = long long int; void solve() { } int main() { // input int N; cin >> N; vector<int> A(N, 0); rep(i, N) cin >> A[i]; sort(A.begin(), A.end()); int k = 0; int ans = 0; for (int i = 2; i <= A[N - 1]; i++) { int gcd = 0; for (int a : A) { if (a % i == 0) { gcd++; } } if (k <= gcd) { k = gcd; ans = i; } } cout << ans << endl; }
#include<iostream> #include<vector> #include<string> #include<cmath> using namespace std; typedef long long ll; ll mod(ll a); int main(){ int n; cin >> n; vector<int> p(n); vector<int> a(200000,0); for(int i=0;i<n;++i) cin >> p[i]; int min=0; for(int i=0;i<n;++i){ a[p[i]]++; //cout<<"input "<<p[i]<<" "<<min<<endl; if(min==p[i]){ int k=p[i]; while(a[k]!=0) k++; min = k; } cout<<min<<endl; } } ll mod(ll a){ int b=1000000007; while(a<0) a+=b; return a%b; }
#include <bits/stdc++.h> using namespace std; 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)) + ")"; } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #ifdef LOCAL #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define debug(...) 42 #endif #define fi first #define se second #define pb push_back #define mod(n,k) ( ( ((n) % (k)) + (k) ) % (k)) #define forn(i,a,b) for(int i = a; i < b; i++) #define forr(i,a,b) for(int i = a; i >= b; i--) #define all(x) (x).begin(), (x).end() typedef long long ll; typedef long double ld; typedef pair<int,int> ii; typedef vector<int> vi; typedef vector<ii> vii; const ll mod = 1e9+7; ll mul(ll a,ll b){return ((a%mod)*(b%mod))%mod;} ll sum(ll a,ll b){return ((a%mod)+(b%mod))%mod;} ll sub(ll a,ll b){return ((a%mod)-(b%mod))%mod;} ll power(ll a,ll b){ ll res = 1; while(b){ if(b&1)res = mul(res,a); b >>= 1; a = mul(a,a); } return res; } ll gcdE(ll a,ll b,ll *x, ll *y){ if(a == 0){ *x = 0, *y = 1; return b; } ll x1,y1; ll gcd = gcdE(b%a,a,&x1,&y1); *x = y1-(b/a)*x1; *y = x1; return gcd; } ll modInverse(ll b,ll m){ ll x,y; ll g = gcdE(b,m,&x,&y); if(g != 1) return -1; return (x%mod+mod)%mod; } ll modDivide(ll a,ll b){ a = a%mod; ll inv = modInverse(b,mod); if(inv == -1) return -1; return (inv*a)%mod; } ll binomialCoeff(int n,int k){ ll res = 1; if(k > n-k) k = n-k; for(int i = 0; i < k; i++){ res = mul(res,n-i); res = modDivide(res,i+1); } return res; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); int N,M; cin >> N >> M; vi A(N); int sum = 0; forn(i,0,N){ cin >> A[i]; sum += A[i]; } if(sum > M){ cout << 0 << '\n'; return 0; } ll res = binomialCoeff(M+N,sum+N); if(res < 0)res += mod; cout << res << '\n'; return 0; } /* __builtin_mul_overflow(x,y,&x) -fsplit-stack */
#include <bits/stdc++.h> using namespace std; // #include <atcoder/all> // using namespace atcoder; // using mint = modint1000000007; // using mint2 = modint998244353; typedef int64_t Int; #define all(x) (x).begin(), (x).end() const double EPS = 1e-10; const Int INF = 5e18; const int inf = 1e9; const Int mod = 1e9+7; //const Int mod = 998244353; typedef struct { int64_t to, weight; } edge; Int dx[] = {0, 1, 0, -1, -1, 1, -1, 1}; Int dy[] = {1, 0, -1, 0, -1, -1, 1, 1}; template<class T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) { is >> e; } return is; } bool print_space_enable = false; void print() { std::cout << '\n'; print_space_enable = false; } template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) { if (print_space_enable) std::cout << " "; std::cout << fixed << setprecision(15) << head; print_space_enable = true; print(std::forward<Tail>(tail)...); } template<typename T> void print(vector<T> v) { for (size_t i = 0; i < v.size(); i++) { if (i > 0) std::cout << " "; std::cout << v[i]; } std::cout << '\n'; } template<class T> vector<T> make_vec(size_t n, T val) { return vector<T>(n, val); } template<class... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec(ts...))>(n, make_vec(ts...)); } bool is_overflow(Int a, Int b) { return a > INF / b; } void solve() { Int n, q; cin >> n >> q; vector<Int> a(n); cin >> a; vector<Int> k(q); cin >> k; a.push_back(INF); sort(all(a)); for (Int i = 0; i < q; i++) { Int ok = 3e18; Int ng = -1; while (abs(ok - ng) > 1) { Int mid = (ok + ng) / 2; Int num = upper_bound(all(a), mid) - a.begin(); if (mid - num >= k[i]) { ok = mid; } else { ng = mid; } } print(ok); } } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); solve(); //Int _t; cin >> _t; while (_t--) solve(); return 0; }
#include <iostream> #include <algorithm> #include <vector> #include <cmath> #include <queue> #include <set> #include <map> using namespace std; #define ll long long #define ld long double #define rep(i, n) for(ll i = 0; i < n; ++i) #define rep2(i, a, b) for(ll i = a; i <= b; ++i) #define rep3(i, a, b) for(ll i = a; i >= b; --i) #define pii pair<int, int> #define pll pair<ll, ll> #define pb push_back #define eb emplace_back #define vi vector<int> #define vll vector<ll> #define vpi vector<pii> #define vpll vector<pll> #define fi first #define se second #define all(c) begin(c), end(c) #define SUM(v) accumulate(all(v), 0LL) #define MIN(v) *min_element(all(v)) #define MAX(v) *max_element(all(v)) #define lb(c, x) distance((c).begin(), lower_bound(all(c), (x))) #define ub(c, x) distance((c).begin(), upper_bound(all(c), (x))) const string YESNO[2] = {"NO", "YES"}; const string YesNo[2] = {"No", "Yes"}; const string yesno[2] = {"no", "yes"}; void YES(bool t = 1) { cout << YESNO[t] << endl; } void Yes(bool t = 1) { cout << YesNo[t] << endl; } void yes(bool t = 1) { cout << yesno[t] << endl; } int main() { int A, B; cin >> A >> B; int ans = 1; for (int i = 1; i < 200500; i++) { int r = 0; if (A % i != 0) r = i - A % i; if (B - A >= i + r) ans = i; } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long using vec_int = vector<int>; using P = pair<int,int>; using T = tuple<int,int,int>; using ll = long long; #define rep(i, n) for(int i = 0; i < (int)(n); i++) int charToInt(char c){ char zero_num = '0'; return (int)c - (int)zero_num; } signed main(){ int N; cin>>N; int M; cin>>M; vec_int a(M); vec_int b(M); rep(i,M)cin>>a.at(i)>>b.at(i); vec_int c(N); rep(i,N)cin>>c.at(i); vector<vec_int> G(N+1); rep(i,M){ G.at(a.at(i)).push_back(b.at(i)); G.at(b.at(i)).push_back(a.at(i)); } map<P, int> path_map; rep(i, M){ path_map[make_pair(a.at(i), b.at(i))] = i; path_map[make_pair(b.at(i), a.at(i))] = i; } vector<string> ans(M,""); rep(i,M){ if(c.at(a.at(i)-1)>c.at(b.at(i)-1)){ ans.at(i) = "->"; }else if(c.at(a.at(i)-1)<c.at(b.at(i)-1)){ ans.at(i) = "<-"; } } rep(i,M){ if(ans.at(i)==""){ vec_int visited(N+1, 0); visited.at(a.at(i)) =1; stack<P> st; st.push(make_pair(b.at(i), a.at(i))); // node, parent int node_val = c.at(a.at(i)-1); while(!st.empty()){ int node = st.top().first; int parent = st.top().second; st.pop(); int ind = path_map[make_pair(parent, node)]; if(ans.at(ind)!="")continue; if(a.at(ind)==parent && b.at(ind)==node){ ans.at(ind) = "->"; }else{ ans.at(ind) = "<-"; } for(auto next_node: G.at(node)){ if(next_node==parent)continue; if(c.at(next_node-1)!=node_val)continue; st.push(make_pair(next_node, node)); } } } } rep(i,M){ cout<<ans.at(i)<<endl; } return 0; }
/* Author : Xinyuan */ #include <bits/stdc++.h> using namespace std; #define REP(i, n) for(int i = 0; i < n; i++) #define all(x) (x).begin(), (x).end() typedef pair<int, int> PII; typedef vector<int> VI; typedef vector<string> VS; typedef vector<PII> VII; typedef vector<VI> VVI; typedef long long int ll; const int INF = 1e9 + 7; const int mod = 1e9 + 7; ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} int nxt() {int x;scanf("%d", &x);return x;} int main(){ int x[4]; int lowest = 101; for (int i = 0; i < 4; i++) { cin >> x[i]; if ((int) x[i] < lowest) { lowest = (int) x[i]; } } cout << lowest; }
#include <iostream> #include <vector> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <cmath> #include <algorithm> #include <climits> #include <iomanip> #define endl "\n" #define debug(x) cout << #x << " : " << x << endl; #define debug2(x, y) cout << #x << " : " << x << ", " << #y << " : " << y << endl; #define FASTIO ios_base::sync_with_stdio(false),cin.tie(0); typedef long long ll; using namespace std; int main() { FASTIO int a, b, c, d; cin >> a >> b >> c >> d; int ans = min({a, b, c, d}); cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll,ll> pi; typedef vector <ll> vi; typedef vector <pi> vpi; typedef pair<pi,ll> pii; typedef set <ll> si; typedef long double ld; #define f first #define s second #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) #define pb push_back #define all(x) (x).begin(), (x).end() #define lbd(x, y) lower_bound(all(x), y) #define ubd(x, y) upper_bound(all(x), y) #define aFOR(i,x) for (auto i: x) #define mem(x,i) memset(x,i,sizeof x) #define fast ios_base::sync_with_stdio(false),cin.tie(0) int H,W,grid[501][501]; int main(){ fast; cin >> H >> W; int mn = 1e9, ans = 0; FOR(i,1,H) FOR(j,1,W){ cin >> grid[i][j]; mn = min(mn, grid[i][j]); ans += grid[i][j]; } cout << ans - mn * H * W; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, a, b) for(int i = a; i < b; i++) int H, W; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> H >> W; vector<vector<ll>> a(H, vector<ll>(W)); ll mmin = 101; for(int i = 0; i < H; i++) { for(int j = 0; j < W; j++) { { cin >> a[i][j]; mmin = min(mmin, a[i][j]); } } }; ll s = 0; for(int i = 0; i < H; i++) { for(int j = 0; j < W; j++) { s += abs(a[i][j] - mmin); } } cout << s << endl; return 0; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; const int INF=1<<29; int h,w; vector<string> B; bool vis[2000][2000][2]; int memo[2000][2000][2]; int dfs(int i,int j,int turn){ if(i==h-1 && j==w-1) return 0; int& res=memo[i][j][turn]; if(vis[i][j][turn]) return res; vis[i][j][turn]=true; if(turn==0){ res=-INF; if(i<h-1) res=max(res,dfs(i+1,j,1-turn)+(B[i+1][j]=='+'?1:-1)); if(j<w-1) res=max(res,dfs(i,j+1,1-turn)+(B[i][j+1]=='+'?1:-1)); } else{ res=INF; if(i<h-1) res=min(res,dfs(i+1,j,1-turn)-(B[i+1][j]=='+'?1:-1)); if(j<w-1) res=min(res,dfs(i,j+1,1-turn)-(B[i][j+1]=='+'?1:-1)); } return res; } int main(){ cin>>h>>w; B.resize(h); rep(i,h) cin>>B[i]; int res=dfs(0,0,0); puts(res>0?"Takahashi":res==0?"Draw":"Aoki"); return 0; }
#include <iostream> #include <cstdio> #include <algorithm> #include <cstring> #include <string> #include <cmath> #include <vector> #include <queue> #include <climits> #include <utility> typedef long long ll; using namespace std; int main(void){ int h, w, i, j; string buff; vector<vector<int> > field, score; cin >> h >> w; field.resize(h,vector<int>(w)); score.resize(h,vector<int>(w)); for(i=0;i<h;i++){ cin >> buff; for(j=0;j<w;j++){ if(buff[j]=='+') field[i][j] = 1; else field[i][j] = -1; } } if((h+w)%2==0){ score[h-1][w-1] = field[h-1][w-1]; } else{ score[h-1][w-1] = field[h-1][w-1] * -1; } j = w-1; for(i=h-2;i>=0;i--){ if((i+j)%2==0){ score[i][j] = score[i+1][j] + field[i][j]; } else{ score[i][j] = score[i+1][j] - field[i][j]; } } i = h-1; for(j=w-2;j>=0;j--){ if((i+j)%2==0){ score[i][j] = score[i][j+1] + field[i][j]; } else{ score[i][j] = score[i][j+1] - field[i][j]; } } for(i=h-2;i>=0;i--){ for(j=w-2;j>=0;j--){ if((i+j)%2==0){ score[i][j] = min(score[i+1][j],score[i][j+1]) + field[i][j]; } else{ score[i][j] = max(score[i+1][j],score[i][j+1]) - field[i][j]; } } } if(h==1){ if(w==1){ cout << "Draw" << endl; return 0; } score[0][0] = score[0][1]; } else if(w==1){ score[0][0] = score[1][0]; } else{ score[0][0] = min(score[1][0],score[0][1]); } if(score[0][0]>0){ cout << "Aoki" << endl; } else if(score[0][0]<0){ cout << "Takahashi" << endl; } else{ cout << "Draw" << endl; } return 0; }
// Create your own template by modifying this file! #include <string> #include <vector> #include <climits> #include <cstring> #include <map> #include <queue> #include <algorithm> #include <cmath> #include <cstdio> #include <iostream> #include <set> #include <unordered_set> #include <unordered_map> #include <cassert> #include <deque> #include <stack> #include <functional> #include <bitset> #include <numeric> #define int LL #define SZ(X) ((int)(X).size()) #define ALL(X) (X).begin(), (X).end() #define REP(I, N) for (int I = 0; I < (N); ++I) #define REPP(I, A, B) for (int I = (A); I < (B); ++I) #define FOR(I, A, B) for (int I = (A); I <= (B); ++I) #define FORS(I, S) for (int I = 0; S[I]; ++I) #define RS(X) scanf("%s", (X)) #define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end())))) #define GET_POS(c,x) (lower_bound(c.begin(),c.end(),x)-c.begin()) #define CASET int ___T; scanf("%d", &___T); for(int cs=1;cs<=___T;cs++) #define MP make_pair #define PB emplace_back #define MS0(X) memset((X), 0, sizeof((X))) #define MS1(X) memset((X), -1, sizeof((X))) #define LEN(X) strlen(X) #define F first #define S second using namespace std; typedef long long LL; typedef unsigned long long ULL; typedef long double LD; typedef pair<int,int> PII; typedef vector<int> VI; typedef vector<LL> VL; typedef vector<PII> VPII; typedef pair<LL,LL> PLL; typedef vector<PLL> VPLL; template<class T> void _R(T &x) { cin >> x; } void _R(int64_t &x) { scanf("%lld", &x); } void _R(double &x) { scanf("%lf", &x); } void _R(char &x) { scanf(" %c", &x); } void _R(char *x) { scanf("%s", x); } void R() {} template<class T, class... U> void R(T &head, U &... tail) { _R(head); R(tail...); } template<class T> void _W(const T &x) { cout << x; } void _W(const int64_t &x) { printf("%lld", x); } void _W(const double &x) { printf("%.16f", x); } void _W(const char &x) { putchar(x); } void _W(const char *x) { printf("%s", x); } template<class T,class U> void _W(const pair<T,U> &x) {_W(x.F); putchar(' '); _W(x.S);} template<class T> void _W(const vector<T> &x) { for (auto i = x.begin(); i != x.end(); _W(*i++)) if (i != x.cbegin()) putchar(' '); } void W() {} template<class T, class... U> void W(const T &head, const U &... tail) { _W(head); putchar(sizeof...(tail) ? ' ' : '\n'); W(tail...); } #ifdef DEBUG #define debug(...) {printf("[DEBUG] ");W(__VA_ARGS__);} #else #define debug(...) #endif int MOD = 1e9+7; void ADD(LL& x,LL v){x=(x+v)%MOD;if(x<0)x+=MOD;} /*}}}*/ const int SIZE = 1<<20; template<class T> void MIN(T& a, const T& b) { a = min(a, b); } template<class T> void MAX(T& a, const T& b) { a = max(a, b); } #define MULTITEST 0 void solve() { int N, M; R(N, M); VPII e(M); REP(i, M) { R(e[i].F, e[i].S); e[i].F--; e[i].S--; } VI c(N); REP(i, N) { R(c[i]); } VI ans(M, -1); vector<VI> adj(N); REP(i, M) { if (c[e[i].F] == c[e[i].S]) { adj[e[i].F].PB(i); adj[e[i].S].PB(i); } else { ans[i] = (c[e[i].F] < c[e[i].S]); } } vector<bool> used(N); function<void(int)> dfs; dfs = [&](int v) { if (used[v]) { return; } used[v] = true; for (int i : adj[v]) { if (ans[i] < 0) { ans[i] = (e[i].S == v); dfs(v ^ e[i].F ^ e[i].S); } } }; REP(v, N) { if (!used[v] && adj[v].size()) { int i = adj[v].front(); ans[i] = (e[i].S == v); dfs(v ^ e[i].F ^ e[i].S); } } for (int b : ans) { assert(b >= 0); W(b ? "<-" : "->"); } } #undef int int main() { #if MULTITEST CASET{ solve(); } #else solve(); #endif return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<string> s(N); for (int i = 0; i < N; i++) { cin >> s[i]; } vector<long long> dp(N + 1, 1); for (int i = 1; i <= N; i++) { if (s[i - 1] == "AND") { dp[i] = dp[i - 1]; } else { dp[i] = dp[i - 1] + (1LL << i); } } cout << dp[N] << endl; }
#include <bits/stdc++.h> using namespace std; int main(void) { string S; bool flag = true; cin >> S; for(int i = 1; i <= S.length(); i++) { if(i % 2 == 1) { if('A' <= S[i - 1] && S[i - 1] <= 'Z') { cout << "No" << endl; flag = false; break; } } else { if('a' <= S[i - 1] && S[i - 1] <= 'z') { cout << "No" << endl; flag = false; break; } } } if(flag == true) { cout << "Yes" << endl; } }
#include <iostream> int main() { int N; std::cin >> N; int r = N%100; if (r) std::cout << N/100 + 1 << std::endl; else std::cout << N/100 << std::endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define mod 998244353 #define MOD 1000000007 #define rep(i, n) for(ll i=0; i<(ll)(n); i++) // aのn乗を求める(modp) int modPow(ll a, ll n, ll p) { if (n == 0) return 1; // 0乗にも対応する場合 if (n == 1) return a % p; if (n % 2 == 1) return (a * modPow(a, n - 1, p)) % p; ll t = modPow(a, n / 2, p); return (t * t) % p; } int main(){ ll n, m; cin >> n >> m; string s; ll odd = 0, even = 0; rep(i, n){ cin >> s; ll count = 0, len = s.size(); rep(i, len){ if(s[i] == '1') count++; } if(count%2 == 0) even++; else odd++; } cout << odd*even << endl; }
#include <bits/stdc++.h> using namespace std; #define deb(k) cerr << #k << ": " << k << "\n"; #define size(a) (int)a.size() #define fastcin cin.tie(0)->sync_with_stdio(0); #define st first #define nd second #define pb push_back #define mk make_pair #define int long long typedef long double ldbl; typedef double dbl; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef map<int, int> mii; typedef vector<int> vint; #define MAXN 300100 #define MAXLG 20 const int inf = 0x3f3f3f3f; const ll mod = 1000000007; const ll linf = 0x3f3f3f3f3f3f3f3f; const int N = 300100; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); void solve(){ int n, m; cin>>n>>m; string s[n]; map<int, int>f; vint a(n); for(int i=0;i<n;i++){ cin>>s[i]; for(int j=0;j<m;j++){ a[i] *= 2; a[i] += (s[i][j] - '0'); } f[a[i]]++; } queue<pii>q; q.push({0, 0}); int x = 0, y = 0; bitset<(1<<20)> vis; vis[0] = 1; while(!q.empty()){ pii a = q.front(); q.pop(); if(a.nd == 0) x += f[a.st]; else y += f[a.st]; for(int i=0;i<m;i++){ int aux = a.st ^ (1<<i); if(vis[aux]) continue; vis[aux] = 1; q.push({aux, a.nd^1}); } } cout<<x*y<<"\n"; // Have you read the problem again? // Maybe you understood the wrong problem } int32_t main(){ fastcin; int t_ = 1; //cin>>t_; while(t_--) solve(); return 0; }
#include<bits/stdc++.h> #define rep(i,a,n) for (int i=a;i<n;i++) #define per(i,a,n) for (int i=n-1;i>=a;i--) #define repk(i,a,n) for(int i=a;i<=(n);i++) #define pb push_back #define ppb pop_back #define all(k) k.begin(),k.end() #define eb emplace_back #define mp make_pair #define ll long long #define pl pair<ll,ll> #define vc vector<char> #define vl vector<ll> #define vvl vector<vl> #define vi vector<int> #define vvi vector<vi> #define vc vector<char> #define vpi vector<pi> #define vpl vector<pl> #define vvc vector<vc> #define mi map<int,int> #define ml map<ll,ll> template<typename T, typename U> inline bool mn(T& m, U x) { if (m > x) { m = x; return true; } return false; } #define umap unordered_map<int,int> using namespace std; void sol() { int n; cin >> n; vl ar(n); rep(i, 0, n)cin >> ar[i]; ll cnt = -1, res = *min_element(all(ar)); while (cnt != res) { cnt = res; rep(i, 0, n) { if (!(ar[i] % res))mn(res, res); else mn(res, ar[i] % res); } } cout << res; } int main() { int t = 1; //cin >> t; while (t--)sol(); return 0; }
#include <iostream> #include <algorithm> #include <cmath> using namespace std; #define x first #define y second typedef pair<int, int> PII; const int N = 70010; int n; PII a[N]; int main() { cin >> n; n = pow(2, n); for(int i = 1; i <= n; i ++ ) { cin >> a[i].x; a[i].y = i; } while(n > 2) { for(int i = 1; i <= n; i += 2 ) { if(a[i].x > a[i + 1].x) { a[i/2 + 1].x = a[i].x; a[i/2 + 1].y = a[i].y; } else { a[i/2 + 1].x = a[i + 1].x; a[i/2 + 1].y = a[i + 1].y; } } n /= 2; } if(a[1].x > a[2].x) cout << a[2].y << endl; else cout << a[1].y << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { long long n; cin >> n; long long sum = 0; long long cnt = 0; long long i = 0; while (sum <= n + 1) { i++; sum += i; cnt++; } cnt--; cout << n - cnt + 1 << endl; }
#include <bits/stdc++.h> using namespace std; using ll=long long; ll b,c; ll cnt(ll a){ if(c<a) return 0; else return (c-a)/2+1; } int main(){ cin>>b>>c; ll ans=0; if(b==0){ ans=cnt(0)+cnt(3); }else if(b>0){ ans=cnt(1)+cnt(4); if(c>=2*b) ans+=2*b; else ans+=cnt(0)+cnt(3);; }else{ b*=-1; ans=cnt(0)+cnt(3); if(c>=2*b+1) ans+=2*b; else ans+=cnt(1)+cnt(4); } cout<<ans<<endl; }
#include <bits/stdc++.h> #define int long long int using namespace std; signed main(){ ios::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); int t; cin>>t; while(t--){ int n; cin>>n; map<int , int> mp; bool ae = true; for(int i = 1;i<= n;i++){ int z; cin>>z; mp[z]++; } map<int , int>:: iterator it; for(it = mp.begin() ; it!= mp.end();it++){ if((it->second)%2==0 ){ ; } else{ ae = false; } } if(n%2==0){ if(ae){ cout<<"Second\n"; } else{ cout<<"First\n"; } } else{ cout<<"Second\n"; } } }
#include <bits/stdc++.h> #define vi vector<int> #define tests int t; cin>>t; while(t--) #define ll long long #define vll vector<long long> #define srt(v) sort(v.begin(), v.end()) #define srtg(v) sort(v.begin(), v.end(), greater<int> ()) #define FOR(k, n) for(int k=0; k<n; k++) #define pb push_back #define yes cout<<"YES"<<endl #define no cout<<"NO"<<endl using namespace std; char nums[10] = { '0','1','2','3','4','5','6','7','8','9' }; char alphsl[26] = { 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z' }; const int MOD = 1000000007; char alphs[26] = { 'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z' }; void solve() { vi v(4); cin>>v[0]>>v[1]>>v[2]>>v[3]; int sum=v[0]+v[1]+v[2]+v[3]; if(sum%2==1) { cout<<"No"<<endl; return; } if(v[0]==sum/2||v[1]==sum/2||v[2]==sum/2||v[3]==sum/2||v[0]+v[1]==sum/2||v[0]+v[2]==sum/2||v[0]+v[3]==sum/2||v[1]+v[2]==sum/2||v[1]+v[3]==sum/2||v[2]+v[3]==sum/2){ cout<<"Yes"<<endl; } else cout<<"No"<<endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); solve(); return 0; }
/* problem : algorithm : created : Programmer_juruo */ #include <bits/stdc++.h> using namespace std; #define int long long #define N 2000005 #define M 2005 #define lowbit(x) x & (-x) #define F1(i, n) for(int i = 1; i <= n; i++) #define F(i, a, n) for(int i = a; i <= n; i++) #define F0(i, n) for(int i = 0; i < n; i++) #define dbg(x) cout << #x << ":" << x << endl; #define se second #define fi first #define y1 juruo #define mp make_pair #define pb push_back #define arr vector<int> #define chmin(a, b) a = min(a, b) #define chmax(a, b) a = max(a, b) typedef pair <int, int> pii; typedef priority_queue <int> pq; typedef long long ll; const ll inf = 0x3f3f3f3f3f3f3f3f; const int p = 107; const int P = 100007; const int Mod = 1e9+7; int n, m; int t[N], l[N], r[N]; vector <pair<int, pair<int, int> > > v; void work() { cin >> n; for(int i = 1; i <= n; i++) { cin >> t[i] >> l[i] >> r[i]; } int ans = 0; for(int i = 1; i <= n; i++) { for(int j = i+1; j <= n; j++) { v.clear(); v.pb(mp(l[i], pii(r[i], t[i]))); v.pb(mp(l[j], pii(r[j], t[j]))); sort(v.begin(), v.end()); if(v[0].se.fi > v[1].fi) { ++ans; } else if(v[0].se.fi == v[1].fi) { if(v[0].se.se == 1 || v[0].se.se == 3) { if(v[1].se.se == 1 || v[1].se.se == 2) { ++ans; } } } } } cout << ans << endl; } signed main() { //freopen("1.in", "r", stdin); //freopen("1.out", "w", stdout); int T = 1; //cin >> T; while(T--) { work(); } return 0; }
#include <bits/stdc++.h> using namespace std; #define vi vector<int> #define fo(a,b,c) for(int a=b;a<c;a++) #define int long long int #define ff first #define ss second #define pb push_back #define fastio ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); const int mod = 1e9 + 7; const int cmod = 998244353; const int N = 3e5 + 5; const int inf = 1e18 + 2; int power(int a,int b) { if(b==0) return 1; else if(b%2==0) { int c=power(a,b/2); return (c*c)%mod; } else return ((a%mod)*(power(a,b-1)%mod))%mod; } void solve(int Case) { int n,s=0; cin>>n; int a[n][3]; fo(i,0,n) { fo(j,0,3) { cin>>a[i][j]; } } fo(i,0,n) { fo(j,i+1,n) { if(a[i][2]>a[j][2]) { if(a[i][1]<a[j][2]) s++; else if(a[i][1]==a[j][2]) { if((a[i][0]==1||a[i][0]==2)&&(a[j][0]==3||a[j][0]==1)) s++; } } else if(a[i][2]<a[j][2]) { swap(i,j); if(a[i][1]<a[j][2]) s++; else if(a[i][1]==a[j][2]) { if((a[i][0]==1||a[i][0]==2)&&(a[j][0]==3||a[j][0]==1)) s++; } swap(i,j); } else s++; } } cout<<s; } int32_t main() { fastio int testcase = 1; //cin >> testcase; int Case = 1; while(testcase --) { solve(Case); } return 0; }
#include <iostream> using namespace std; int main() { char a, b, c; cin>>a>>b>>c; if (a == b && b==c){ cout<<"Won"; } else{ cout<<"Lost"; } return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ string S; cin >> S; int ans = 0; for (int i = 0; i < S.size(); i++){ if (S.substr(i, 4) == "ZONe") ans++; } cout << ans << endl; }