code_file1
stringlengths
80
4k
code_file2
stringlengths
91
4k
similar_or_different
int64
0
1
#include <bits/stdc++.h> using namespace std; long long INF = 1e18; int main(){ long long d, g; cin >> d >> g; vector<long long> p(d), c(d), score(d); for(int i = 0; i < d; i++) { cin >> p[i] >> c[i]; score[i] = (i + 1) * 100; } long long ans = INF; for(int bit = 0; bit < (1 << d); bit++){ long long G = g; long long res = 0; vector<int> flag(d, 1); for(int i = 0; i < d; i++){ if(bit & (1 << i)) { G -= p[i]*score[i] + c[i]; flag[i] = 0; res += p[i]; } } int t = -1; for(int j = 0; j < d; j++){ if(flag[j] == 1) t = j; } if(G > 0 && G <= p[t] * score[t] + c[t]){ res += min(p[t], (G + score[t] - 1) / score[t]); ans = min(res, ans); } else if(G <= 0) ans = min(res, ans); } cout << ans << endl; }
/** * author: souzai32 * created: 01.08.2020 23:22:01 **/ #include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) using namespace std; int main() { int n,m; cin >> n >> m; vector<tuple<int,int>> con(m); int s,c; rep(i,m){ cin >> s >> c; con.at(i)=make_tuple(s,c); } sort(con.begin(),con.end()); vector<int> num(4,-1); bool a=true; int ans=0; rep(i,m){ if(num.at(get<0>(con.at(i)))!=-1 && num.at(get<0>(con.at(i)))!=get<1>(con.at(i))) a=false; if(get<0>(con.at(i))==1&&get<1>(con.at(i))==0&&n!=1) a=false; num.at(get<0>(con.at(i)))=get<1>(con.at(i)); } int t=1; rep(i,n) t*=10; if(a){ for(int i=1; i<=n; i++){ t/=10; if(num.at(i)==-1){ if(i==1 && n!=1) num.at(i)=1; else num.at(i)=0; } ans+=num.at(i)*t; } cout << ans << endl; } else cout << -1 << endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; const int N = 3000000; const int MOD = 998244353; int fact[N]; int ifact[N]; int C(int n, int k) { if (k < 0 || k > n) return 0; return 1LL * fact[n] * ifact[k] % MOD * ifact[n-k] % MOD; } int M(int n, int k) { return C(n + k - 1, k - 1); } int n, m; int main() { fact[0] = 1; for (int i = 1; i < N; ++i) fact[i] = 1LL * fact[i-1] * i % MOD; ifact[N-1] = 347057526; for (int i = N-2; i >= 0; --i) ifact[i] = 1LL * ifact[i+1] * (i+1) % MOD; scanf("%d %d", &n, &m); long long ans = 0; for (int odd = 0; odd <= m; ++odd) { if (m*3 - odd & 1) continue; int nn = m*3 - odd >> 1; long long res1 = 1LL * M(nn, n) - 1LL * M(nn - m, n) * n % MOD; long long res2 = 1LL * M(nn - m, n - 1) * n % MOD; ans = ans + res1 * C(n, odd) % MOD + res2 * C(n-1, odd) % MOD; } ans %= MOD; if (ans < 0) ans += MOD; printf("%lld\n", ans); return 0; }
#include <bits/stdc++.h> #define debug(...) fprintf(stderr, __VA_ARGS__) #ifndef AT_HOME #define getchar() IO::myGetchar() #define putchar(x) IO::myPutchar(x) #endif namespace IO { static const int IN_BUF = 1 << 23, OUT_BUF = 1 << 23; inline char myGetchar() { static char buf[IN_BUF], *ps = buf, *pt = buf; if (ps == pt) { ps = buf, pt = buf + fread(buf, 1, IN_BUF, stdin); } return ps == pt ? EOF : *ps++; } template<typename T> inline bool read(T &x) { bool op = 0; char ch = getchar(); x = 0; for (; !isdigit(ch) && ch != EOF; ch = getchar()) { op ^= (ch == '-'); } if (ch == EOF) { return false; } for (; isdigit(ch); ch = getchar()) { x = x * 10 + (ch ^ '0'); } if (op) { x = -x; } return true; } inline int readStr(char *s) { int n = 0; char ch = getchar(); for (; isspace(ch) && ch != EOF; ch = getchar()) ; for (; !isspace(ch) && ch != EOF; ch = getchar()) { s[n++] = ch; } s[n] = '\0'; return n; } inline void myPutchar(char x) { static char pbuf[OUT_BUF], *pp = pbuf; struct _flusher { ~_flusher() { fwrite(pbuf, 1, pp - pbuf, stdout); } }; static _flusher outputFlusher; if (pp == pbuf + OUT_BUF) { fwrite(pbuf, 1, OUT_BUF, stdout); pp = pbuf; } *pp++ = x; } template<typename T> inline void print_(T x) { if (x == 0) { putchar('0'); return; } static int num[40]; if (x < 0) { putchar('-'); x = -x; } for (*num = 0; x; x /= 10) { num[++*num] = x % 10; } while (*num){ putchar(num[*num] ^ '0'); --*num; } } template<typename T> inline void print(T x, char ch = '\n') { print_(x); putchar(ch); } inline void printStr_(const char *s, int n = -1) { if (n == -1) { n = strlen(s); } for (int i = 0; i < n; ++i) { putchar(s[i]); } } inline void printStr(const char *s, int n = -1, char ch = '\n') { printStr_(s, n); putchar(ch); } } using namespace IO; const int N = 2500005, P = 998244353; int n, m; int fac[N], inv[N]; int qpow(int a, int b) { int s = 1; for (; b; b >>= 1) { if (b & 1) { s = 1ll * s * a % P; } a = 1ll * a * a % P; } return s; } void init(int n) { fac[0] = 1; for (int i = 1; i <= n; ++i) { fac[i] = 1ll * fac[i - 1] * i % P; } inv[n] = qpow(fac[n], P - 2); for (int i = n; i; --i) { inv[i - 1] = 1ll * inv[i] * i % P; } } int C(int n, int m) { if (m < 0 || m > n) { return 0; } return 1ll * fac[n] * inv[m] % P * inv[n - m] % P; } int main() { read(n), read(m); init(n + 3 * m); int ans = 0; for (int i = m & 1; i <= n && i <= m; i += 2) { int S = (3 * m - i) >> 1, s = 0; for (int j = 0; j <= i && m * j <= S; ++j) { for (int k = 0; k <= n - i && m * j + (m + 1) * k <= S; ++k) { int t = 1ll * C(i, j) * C(n - i, k) % P * C(S - m * j - (m + 1) * k + n - 1, n - 1) % P; if ((j + k) & 1) { s = (s + P - t) % P; } else { s = (s + t) % P; } } } ans = (ans + 1ll * s * C(n, i)) % P; } print(ans); }
1
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <iostream> #include <string> #include <map> using namespace std; long long A[100002] = {0}; long long S[100002] = {0}; map<long long, long long> m; int main(int argc, char* argv[]){ int N; long long M; //N 1.. 100000 M 2..1000000000 cin >> N >> M ; A[0] = 0, S[0] = 0; for(int i=1; i<=N; i++){ cin >> A[i]; S[i] = ( S[i-1]+A[i] ) % M; if(m.count(S[i])==0){ m[S[i]] = 1; } else{ long long r = m[S[i]]; m[S[i]] = r+1; } } unsigned long long ans = 0; for(auto it=m.begin(); it!=m.end(); ++it){ long long k, v; k = it->first; v = it->second; if(k==0){ ans = ans + v + (v*(v-1))/2; //重複OK } else{ ans = ans + (v*(v-1))/2; } } printf("%llu\n", ans); return 0; }
#include<bits/stdc++.h> #define int long long using namespace std; signed main(){ int N,M; cin>>N>>M; map<int,int> mp; mp[0]=1; int n=0; while(N--){ int a; cin>>a; n=(n+a)%M; mp[n]++; } int ans=0; for(pair<int,int> p:mp)ans+=p.second*(p.second-1)/2; cout<<ans<<endl; }
1
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<ll> vec; typedef vector<vec> mat; typedef pair<ll,ll> pll; const ll mod=1e9+7; //const ll mod=998244353; const ll inf=1LL<<61; int main() { ll n; cin >> n; vec x(n),y(n); for(ll i=0;i<n;i++) cin >> x[i] >> y[i]; for(ll i=0;i<n;i++) { vector<double> d; for(ll j=0;j<n;j++) { if(i==j) continue; d.push_back(atan2(y[j]-y[i],x[j]-x[i])); } sort(d.begin(),d.end()); double r=0; ll k=d.size(); for(ll j=0;j<k;j++) { d.push_back(d[j]+2*M_PI); } for(ll j=0;j<k;j++) { r=max(r,M_PI-(d[j+k]-d[j+1])); } cout << fixed << setprecision(10) << r/(2*M_PI) << endl; } }
#include<bits/stdc++.h> using namespace std; #define fs first #define sc second #define pb push_back #define mp make_pair #define eb emplace_back #define ALL(A) A.begin(),A.end() #define RALL(A) A.rbegin(),A.rend() typedef long long LL; typedef pair<LL,LL> P; const LL mod=1000000007; const LL LINF=1LL<<60; const int INF=1<<30; using Real = double; using Point = complex< Real >; const Real EPS = 1e-8, PI = acos(-1); using Polygon = vector< Point >; namespace std { bool operator<(const Point &a, const Point &b) { return a.real() != b.real() ? a.real() < b.real() : a.imag() < b.imag(); } } inline bool eq(Real a, Real b) { return fabs(b - a) < EPS; } Real cross(const Point &a, const Point &b) { return real(a) * imag(b) - imag(a) * real(b); } Real dot(const Point &a, const Point &b) { return real(a) * real(b) + imag(a) * imag(b); } // http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=CGL_1_C // 点の回転方向 int ccw(const Point &a, Point b, Point c) { b = b - a, c = c - a; if(cross(b, c) > EPS) return +1; // "COUNTER_CLOCKWISE" if(cross(b, c) < -EPS) return -1; // "CLOCKWISE" if(dot(b, c) < 0) return +2; // "ONLINE_BACK" if(norm(b) < norm(c)) return -2; // "ONLINE_FRONT" return 0; // "ON_SEGMENT" } Point operator*(const Point &p, const Real &d) { return Point(real(p) * d, imag(p) * d); } istream &operator>>(istream &is, Point &p) { Real a, b; is >> a >> b; p = Point(a, b); return is; } ostream &operator<<(ostream &os, Point &p) { os << fixed << setprecision(10) << p.real() << " " << p.imag(); } Polygon convex_hull(Polygon &p) { int n = (int) p.size(), k = 0; if(n <= 2) return p; sort(p.begin(), p.end()); vector< Point > ch(2 * n); for(int i = 0; i < n; ch[k++] = p[i++]) { while(k >= 2 && cross(ch[k - 1] - ch[k - 2], p[i] - ch[k - 1]) < EPS) --k; } for(int i = n - 2, t = k + 1; i >= 0; ch[k++] = p[i--]) { while(k >= t && cross(ch[k - 1] - ch[k - 2], p[i] - ch[k - 1]) < EPS) --k; } ch.resize(k - 1); return ch; } int main(){ int n; cin >> n; Polygon v(n); map<Point,int> ma; for (int i = 0; i < n; i++) { cin >> v[i]; ma[v[i]] = i; } auto p = convex_hull(v); vector<double> ans(n,0.0); if(p.size()==2){ for (int i = 0; i < p.size(); i++) { ans[ma[p[i]]] = 1./2; } } else{ for (int i = 0; i < p.size(); i++) { Point a = p[(i+1)%p.size()] - p[i]; Point b = p[(i-1+p.size())%p.size()] - p[i]; double theta = acos(dot(a,b) / abs(a) / abs(b)); ans[ma[p[i]]] = (PI - theta) / 2 / PI; } } for (int i = 0; i < n; i++) { cout << setprecision(30) << ans[i] << endl; } return 0; }
1
#include <bits/stdc++.h> using namespace std; using ll =long long; typedef pair<int,int> P; #define SORT(a) sort((a).begin(),(a).end()) #define rSORT(a) reverse((a).begin(),(a).end()) #define For(i, a, b) for(int i = (a) ; i < (b) ; ++i) #define rep(i, n) For(i, 0, n) #define debug(x) cerr << #x << " = " << (x) << endl; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } //Write From this Line int main() { string s; cin >> s; cout << s.substr(0,(s.size() - 8)) << endl; }
#include <stdio.h> int main (){ long long int a; long long int hasil=0; scanf("%lld",&a); for (int i=1 ; i<=a ; i++){ if (i%3==0 && i%5==0){ // puts("Fizzbuzz"); } else if (i%3==0){ // puts ("Fizz"); } else if (i%5==0){ // puts("Buzz"); } else{ hasil=(hasil+i); } } printf("%lld",hasil); return 0; }
0
/* DISCLAIMER: I don't expect this to AC first submit, but it'd be pretty great if it did... -> I'm rusty af */ #include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> //gp_hash_table #define all(a) a.begin(), a.end() #define pb push_back #define eb emplace_back #define sz(a) (int) a.size() #define bitcount(a) __builtin_popcount(a) #define bitcountll(a) __builtin_popcountll(a) using namespace std; // using namespace __gnu_pbds; typedef long long int ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; void solve() { const ll oo = 1e18; int n; cin >> n; vector<pii> a(n); for(auto& p : a) cin >> p.first >> p.second; sort(all(a), [](const pii& x, const pii& y) { int l = x.first - y.second; int r = y.first - x.second; return l < r; }); a.insert(a.begin(), {-1, -1}); vector<vector<ll>> dp(n + 1, vector<ll>(n + 1, oo)); int ans = 0; dp[0][0] = 0; for(int i = 1; i <= n; ++i) { dp[i][0] = 0; for(int x = 1; x <= i; ++x) { dp[i][x] = dp[i - 1][x]; if(dp[i - 1][x - 1] <= a[i].first) { dp[i][x] = min(dp[i][x], dp[i - 1][x - 1] + a[i].second); } if(dp[i][x] < oo) { ans = max(ans, x); } } } cout << ans << endl; } int main() { // freopen("input.in", "r", stdin); // freopen("input.out", "w", stdout); ios::sync_with_stdio(false); cin.tie(0); cout.precision(20); cout << fixed; // int t; cin >> t; while(t--) solve(); cout.flush(); return 0; }
#include<bits/stdc++.h> using namespace std; #define LL long long const int N=2e5+5; int n; LL a[90][40]; LL ans; int main() { cin>>n; while(n--) { string s; cin>>s; LL y=0; int u=s.size(); for(int i=0;i<s.size();i++) if(s[i]=='.') u=i; if(u==s.size()) s+="."; for(int i=s.size()-u;i<=9;i++) s+="0"; for(int i=0;i<s.size();i++) if(s[i]!='.') y=y*10+s[i]-'0'; int z1=0,z2=0; while(y%2==0) y/=2,z1++; while(y%5==0) y/=5,z2++; a[z1+36][z2+11]++; } for(int i=0;i<90;i++) for(int j=0;j<40;j++) for(int k=90-i;k<90;k++) for(int l=40-j;l<40;l++) ans+=a[i][j]*a[k][l]; for(int i=45;i<90;i++) for(int j=20;j<40;j++) ans-=a[i][j]; cout<<ans/2<<'\n'; return 0; }
0
#include <bits/stdc++.h> #define F first #define S second #define PB push_back using namespace std; typedef long long LL; typedef pair<int, int> PII; typedef priority_queue<int> HEAP; typedef priority_queue<int, vector<int>, greater<int> > RHEAP; const int N = 100010, M = 1010; int n; int h[N], e[N], ne[N], idx; int match[N]; bool st[N]; PII p[N]; void add(int a, int b) { e[idx] = b, ne[idx] = h[a], h[a] = idx ++ ; } bool find(int u) { for (int i = h[u]; ~i; i = ne[i]) { int j = e[i]; if (!st[j]) { st[j] = true; if (match[j] == 0 || find(match[j])) { match[j] = u; return true; } } } return false; } int main() { memset(h, -1, sizeof h); scanf("%d", &n); for (int i = 1; i <= n; i ++ ) scanf("%d%d", &p[i].F, &p[i].S); for (int i = n + 1; i <= 2 * n; i ++ ) scanf("%d%d", &p[i].F, &p[i].S); for (int i = 1; i <= n; i ++ ) for (int j = n + 1; j <= 2 * n; j ++ ) if (p[i].F < p[j].F && p[i].S < p[j].S) add(i, j); int res = 0; for (int i = 1; i <= n; i ++ ) { memset(st, 0, sizeof st); if (find(i)) res ++ ; } printf("%d\n", res); return 0; }
#include<iostream> #include<iomanip> #include<cmath> #include<string> #include<cstring> #include<vector> #include<list> #include<algorithm> #include<map> #include<set> #include<queue> #include<stack> using namespace std; typedef long long ll; #define fi first #define se second #define mp make_pair #define rep(i, n) for(int i=0;i<n;++i) #define rrep(i, n) for(int i=n;i>=0;--i) const int inf=1e9+7; const ll mod=1e9+7; const ll mod1=998244353; const ll big=1e18; const double PI=2*asin(1); int main() { int M; cin>>M; ll d, c; ll ans = 0; ll sum = 0; for(int i=0;i<M;++i) { cin>>d>>c; ans += c; sum += d*c; } ans--; if(sum%9==0) ans += sum/9-1; else ans += sum/9; cout<<ans<<endl; }
0
#include <iostream> #include <string.h> #include <vector> #include <algorithm> #include <set> /* run this program using the console pauser or add your own getch, system("pause") or input loop */ using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n, k; cin >> n >> k; set<int> s; for (int i = 0; i < k; i++) { int x; cin >> x; s.insert(x); } int a = n; while (1) { int c = a; bool ok = 1; while (c > 0) { int di = c % 10; if (s.count(di)) { ok = 0; break; } c /= 10; } if (ok) { cout << a << endl; break; } a++; } return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define ld long double #define F first #define S second #define pb push_back #define mp make_pair #define mod 1000000007 #define vlli vector<ll> #define vi vector<int> #define vs vector<string> #define vplli vector< pair< ll,ll> > #define plli pair< ll,ll > #define vps vector< pair< string, string> > #define vpi vector< pair< int, int> > #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define fast ios::sync_with_stdio(false);cin.tie(0);cout.tie(0) #define forn(i,a,n) for(ll i=a;i<n;i++) #define forr(i,n,a) for(ll i=n-1;i>=a;i--) #define scan(arr,a,n) for(int i=(a);i<(n);i++)cin>>(arr)[i]; #define print(arr,a,n) for(int i=(a);i<(n);i++)cout<<(arr)[i]<<' '; const ll inf = 1e18; ll add(ll x, ll y) {ll res = x + y; return (res >= mod ? res - mod : res);} ll mul(ll x, ll y) {ll res = x * y; return (res >= mod ? res % mod : res);} ll sub(ll x, ll y) {ll res = x - y; return (res < 0 ? res + mod : res);} ll power(ll x, ll y) {ll res = 1; x %= mod; while (y) {if (y & 1)res = mul(res, x); y >>= 1; x = mul(x, x);} return res;} ll mod_inv(ll x) {return power(x, mod - 2);} int main(){ fast; ll n, k; cin>>n>>k; ll d; map<ll, ll> m; forn(i, 0, k){ cin>>d; m[d]++; } ll ans; forn(i, n, n+100000){ ll x = i, f = 1; while(x){ if(m[x%10]>0){ f = 0; break; } x/=10; } if(f == 1){ ans = i; break; } } cout<<ans<<endl; }
1
#include <map> #include <set> #include <list> #include <cmath> #include <queue> #include <stack> #include <cstdio> #include <string> #include <vector> #include <complex> #include <cstdlib> #include <cstring> #include <climits> #include <numeric> #include <sstream> #include <iostream> #include <algorithm> #include <functional> #include <cctype> #define mp make_pair #define pb push_back #define REP(i,a,n) for(int i = a;i < (n);i++) #define rep(i,n) for(int i = 0;i < (n);i++) #define all(s) s.begin(), s.end() #define rall(s) s.rbegin(), s.rend() #define range(x,min,max) ((min) <= (x) && (x) <= (max)) #define xyrange(x, minX, maxX, y, minY, maxY) (range(x, minX, maxX) && range(y, minY, maxY)) using namespace std; typedef long long LL; typedef vector<int> VI; typedef vector<vector<int> > VVI; typedef vector<string> VS; typedef vector<bool> VB; typedef vector<vector<bool>> VVB; typedef pair<int,int> PII; typedef pair<char,int> PCI; const int DX[]={1,0,-1,0},DY[]={0,-1,0,1}; #define process first #define movecnt second int N, M; VVB area; vector<PCI> ms; int posx, posy; bool check () { rep (i, area.size()) { rep (j, area[i].size()) { if (area[i][j]) return false; } } return true; } void move (int movex, int movey, int cnt) { rep (i, cnt) { if (xyrange(posx, 0, 20, posy, 0, 20)) { posx += movex; posy += movey; area[posy][posx] = false; } } } bool solve () { posx = posy = 10; area[posy][posx] = false; for (auto &m : ms) { switch (m.process) { case 'N': move(0, 1, m.movecnt); break; case 'S': move(0, -1, m.movecnt); break; case 'E': move(1, 0, m.movecnt); break; case 'W': move(-1, 0, m.movecnt); break; } } return check(); } int main(){ cin.tie(0); ios::sync_with_stdio(false); while (cin >> N, N) { area.clear(); area.resize(21, VB(21, false)); ms.clear(); rep (i, N) { int x, y; cin >> x >> y; area[y][x] = true; } cin >> M; rep (i, M) { PCI m; cin >> m.process >> m.movecnt; ms.pb(m); } cout << (solve()? "Yes" : "No") << endl; } return 0; }
#include <iostream> using namespace std; #define INF 10000000 // 0: cost , 1 :time int d[2][101][101]; int main() { int n, m, a, b, cost, time, k, p, q, r, i, j; while ((cin >> n >> m) && n) { for (i = 1; i <= m; i++) { for (j = 1; j <= m; j++) { d[0][i][j] = d[1][j][i] = INF; } } for (i = 0; i < n; i++) { cin >> a >> b >> cost >> time; d[0][a][b] = d[0][b][a] = cost; d[1][a][b] = d[1][b][a] = time; } for (k = 1; k <= m; k++) { for (i = 1; i <= m; i++) { for (j = 1; j <= m; j++) { for (r = 0; r < 2; r++) { if (d[r][i][j] > d[r][i][k] + d[r][k][j]) { d[r][j][i] = d[r][i][j] = d[r][i][k] + d[r][k][j]; } } } } } cin >> k; while (k--) { cin >> p >> q >> r; cout << d[r][p][q] << endl; } } return 0; }
0
// ALDS1_12_A.cpp // Graph II - Minimum Spanning Tree #include <iostream> using namespace std; const int maxN = 100; const int INF = 2001; int w[maxN][maxN]; int color[maxN]; int n; static const int WHITE = 0; static const int BLACK = 1; int prim(int x) { int res = 0; int cnt = 1; color[x] = BLACK; while (cnt++ != n) { int minCost = INF; int pos = 0; // ??°?????°????????? for (int i = 0; i < n; i++) { if (color[i] != BLACK) continue; for (int j = 0; j < n; j++) { if (color[j] != WHITE) continue; if (w[i][j] < minCost) { pos = j; minCost = w[i][j]; } } } res += minCost; color[pos] = BLACK; } return res; } int main() { cin >> n; int num; for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { cin >> num; if (num == -1) w[i][j] = INF; else w[i][j] = num; } } cout << prim(0) << endl; return 0; }
#include <algorithm> #include <iostream> using namespace std; int P[10010]; void init(int N){ for (int i=0; i<N; i++) P[i] = i; } int root (int a){ if (P[a] == a) return a; else { P[a] = root(P[a]); return P[a]; } } bool is_same_set(int a, int b){ return root(a) == root(b); } void unite(int a, int b){ P[root(a)] = root(b); } int main(){ int N; cin >> N; pair <int, int> edge[10010]; for (int i=0; i<N; i++){ for (int j=0; j<N; j++){ cin >> edge[i*N+j].first; edge[i*N+j].second = i*N+j; } } sort(edge, edge+N*N); init(N); int ans = 0; int b = 0; for (int k=0; k<N*N; k++){ while(edge[k].first < 0) k++; int i = edge[k].second / N; int j = edge[k].second % N; if (is_same_set(i,j)){} else{ unite(i,j); ans += edge[k].first; } } cout << ans << endl; }
1
#include "bits/stdc++.h" using namespace std; int main() { int n,ans,mn; ans=1; cin>>n; vector<int> a(n); for(int i=0;i<n;i++) { cin>>a.at(i); } mn=a.at(0); for(int i=1;i<n;i++) { if(mn>a.at(i)) ans++; mn=min(mn,a.at(i)); } cout<<ans<<endl; }
#include <iostream> #include <string> using namespace std; int main(void){ string str; int n; int i=0; int ocnt=0, bcnt=0; int score=0; cin >> n; while(i < n){ cin >> str; if(str == "OUT"){ ocnt++; }else if(str == "HIT"){ if(bcnt < 3){ bcnt++; }else{ score++; } }else if(str == "HOMERUN"){ score += bcnt+1; bcnt = 0; } if(ocnt == 3){ cout << score << endl; ocnt = 0; bcnt = 0; score = 0; i++; } } }
0
#include "bits/stdc++.h" #define rep(i,n) for(int i = 0;i<n;i++) #define cint(a) int a; cin >> a; #define cstr(str) string str; cin >> str; #define vv(Type, n,m,d)vector<vector<Type>> vv(n, vector<Type>(m, d)); using namespace std; using ll = long long; const ll mod = 1e9 + 7; int main(void) { ios::sync_with_stdio(false); cin.tie(0); int n, r; cin >> n >> r; if (n >= 10) cout << r << endl; else cout << r + 100 * (10 - n) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; const long long INF = 1LL<<60; ll GCD(ll x,ll y){ if(y == 0) return x; else return GCD(y,x%y); } ll LCM(ll a,ll b){ return a / GCD(a,b) * b; } const int MOD = 1000000007; int main() { int a,b; cin >> a >> b; if(abs(a-b) <= 1){ cout << "Yay!"; }else{ cout << ":("; } }
0
# include <bits/stdc++.h> using namespace std; #define pii pair<int, int> #define pll pair<ll, ll> #define pb push_back #define eb emplace_back #define mp make_pair #define fi first #define se second typedef long long ll; typedef long double ld; typedef unsigned long long ull; const int inf = (int)1e9 + 7; const int maxn = (int)6e5 + 7; const int lmaxn = (int)6e6 + 7; const ll linf = (ll)1e16 + 7; const ld eps = ld(1e-11); const ll dx[] = {-1, 0, 0, 1}; const ll dy[] = {0, -1, 1, 0}; ll gcd(ll a, ll b){ while(b) a %= b, swap(a, b); return a | b; } ll lcm(ll a, ll b){ return a * b / gcd(a, b); } string a; bool ok(string x){ vector < ll > cnt(27, 0); for(ll i : x) cnt[i - 'a']++; for(ll i : x){ if(cnt[i - 'a'] > (ll)x.size() / 2) return 1; } return 0; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cin >> a; for(ll len = 2; len <= min((ll)a.size(), 5ll); ++len){ for(ll i = 0; i + len - 1 < (ll)a.size(); ++i){ if(ok(a.substr(i, len))){ cout << i + 1 << " " << i + len; return 0; } } } cout << -1 << " " << -1; return 0; }
#include <bits/stdc++.h> using namespace std; #define FOR(i,o,n) for(long long i = o;i<n;i++) #define oneforall ios::sync_with_stdio(false);cin.tie(0); #define all(v) (v).begin(),(v).end() #define ini(...) int __VA_ARGS__; in(__VA_ARGS__) #define inl(...) long long __VA_ARGS__; in(__VA_ARGS__) #define ins(...) string __VA_ARGS__; in(__VA_ARGS__) #define int long long const long long inf=1e18; void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);} void out(){cout << "\n";} template <typename T,class... U> void out(const T &t,const U &...u){ cout << t; if(sizeof...(u)) cout << " "; out(u...);} typedef vector<int> vi; typedef vector<long long> vl; typedef long long ll; typedef vector<pair<long, long > > vpll; typedef vector<pair<int, int > > vpii; #define FORR(x,arr) for(auto& x:arr) #define ZERO(a) memset(a,0,sizeof(a)) //3111111111111111111111111111111 void solve(){ ins(morty); int tmp = -1; int tmp1 = -1; FOR(i,0,morty.size()-1){ if(morty[i] == morty[i+1]){tmp = i+1;tmp1 = i+2;break;} } FOR(i,0,morty.size()-2){ if(morty[i] == morty[i+2]){tmp = i+1;tmp1 = i+3;break;} } out(tmp,tmp1); } int32_t main() { oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall oneforall solve(); return 0; }
1
#include<cstdio> #include<cstdlib> #include<iostream> #include<vector> #include<queue> #include<bitset> #include<string> #include<stack> #include<set> #include<unordered_set> #include<map> #include<unordered_map> #include<cstring> #include<complex> #include<cmath> #include<iomanip> #include<numeric> #include<algorithm> #include<list> #include<functional> #include<cassert> #define mp make_pair #define pb push_back #define X first #define Y second #define y0 y12 #define y1 y22 #define INF 1987654321 #define PI 3.141592653589793238462643383279502884 #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c)) #define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c)) #define MEM0(a) memset((a),0,sizeof(a)); #define MEM_1(a) memset((a),-1,sizeof(a)); #define ALL(a) a.begin(),a.end() #define SYNC ios_base::sync_with_stdio(false);cin.tie(0) using namespace std; typedef long long ll; typedef long double ld; typedef double db; typedef unsigned int uint; typedef unsigned long long ull; typedef pair<int, int> Pi; typedef pair<ll, ll> Pll; typedef pair<double, double> Pd; typedef vector<int> Vi; typedef vector<ll> Vll; typedef vector<double> Vd; typedef vector<Pi> VPi; typedef vector<Pll> VPll; typedef vector<Pd> VPd; typedef tuple<int, int, int> iii; typedef tuple<int,int,int,int> iiii; typedef tuple<ll, ll, ll> LLL; typedef vector<iii> Viii; typedef vector<LLL> VLLL; typedef complex<double> base; const ll MOD = 998244353; ll POW(ll a, ll b, ll MMM = MOD) {ll ret=1; for(;b;b>>=1,a=(a*a)%MMM)if(b&1)ret=(ret*a)% MMM; return ret; } ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); } int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 }; char s[2000][2002]; int v[2002][2002],ex[2002][2002],ey[2002][2002]; int main() { int n,m,q; scanf("%d%d%d",&n,&m,&q); fup(i,0,n-1,1)scanf("%s",s[i]); fup(i,0,n-1,1) fup(j,0,m-1,1) v[i+1][j+1]=v[i][j+1]+v[i+1][j]-v[i][j]+(s[i][j]=='1'); fup(i,0,n-2,1) fup(j,0,m-1,1) ex[i+1][j+1]=ex[i][j+1]+ex[i+1][j]-ex[i][j]+(s[i][j]=='1' && s[i+1][j]=='1'); fup(i,0,n-1,1) fup(j,0,m-2,1) ey[i+1][j+1]=ey[i][j+1]+ey[i+1][j]-ey[i][j]+(s[i][j]=='1' && s[i][j+1]=='1'); while(q--) { int x1,y1,x2,y2; scanf("%d%d%d%d",&x1,&y1,&x2,&y2); int t1=v[x2][y2]-v[x2][y1-1]-v[x1-1][y2]+v[x1-1][y1-1]; int t2=ex[x2-1][y2]-ex[x2-1][y1-1]-ex[x1-1][y2]+ex[x1-1][y1-1]; int t3=ey[x2][y2-1]-ey[x2][y1-1]-ey[x1-1][y2-1]+ey[x1-1][y1-1]; printf("%d\n",t1-t2-t3); } }
#include <cstdio> #include <iostream> #define debug(...) fprintf(stderr, __VA_ARGS__) #define inver(a) power(a, mod - 2) #define F(x, y) C(x - 1 + y, y) using namespace std; inline char nc() { return getchar(); static char buf[100000], *l = buf, *r = buf; return l==r&&(r=(l=buf)+fread(buf,1,100000,stdin),l==r)?EOF:*l++; } template<class T> void read(T &x) { x = 0; int f = 1, ch = nc(); while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=nc();} while(ch>='0'&&ch<='9'){x=x*10-'0'+ch;ch=nc();} x *= f; } typedef long long ll; const int mod = 998244353; const int maxn = 2000050; int n, m; int fac[maxn]; int fac_inv[maxn]; inline int dec(int x) {return x < 0 ? x + mod : x;} inline ll C(int x, int y) { return (ll)fac[x] * fac_inv[y] % mod * fac_inv[x - y] % mod; } ll power(ll x, ll y) { ll re = 1; while(y) { if(y & 1) re = re * x % mod; x = x * x % mod; y >>= 1; } return re; } void init(int n) { fac[0] = 1; for(int i = 1; i <= n; ++i) { fac[i] = (ll)fac[i - 1] * i % mod; } fac_inv[n] = inver(fac[n]); for(int i = n; i >= 1; --i) { fac_inv[i - 1] = (ll)fac_inv[i] * i % mod; } } int cal(int x, int y) { int re = F(n, x); re = dec(re - y * F(n, x - m) % mod); if(x > m) re = dec(re - (n - y) * F(n, x - m - 1) % mod); return re; } int solve() { int an = 0; for(int i = 0; i <= min(m, n); ++i) { if((3 * m - i) & 1) continue; an = (an + cal((3 * m - i) >> 1, i) * C(n, i)) % mod; } return an; } int main() { read(n), read(m); init(n + (m << 1)); printf("%d\n", solve()); return 0; }
0
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(n);i++) #define all(v) v.begin(),v.end() #define len(x) (ll)(x).length() using namespace std; typedef long long ll; typedef pair<int,int> P; ll gcd(int a,int b){if(a%b==0){return b;}else{return(gcd(b,a%b));}} ll lcm(int a,int b){return a*b/gcd(a,b);} const int INF=1e9; const ll INFS=1e18; const int MOD=INF+7; const int di[] = {-1,0,1,0}; const int dj[] = {0,-1,0,1}; const double PI=acos(-1); int main() { int n; cin>>n; map<int,int> mp; rep(i,n){ int a; cin>>a; mp[a]++; } if(mp.size()==n){ cout<<"YES"<<endl; return 0; } cout<<"NO"<<endl; }
#include <bits/stdc++.h> #define N 1000020 #define ll long long using namespace std; inline int read(){ int x=0,f=1;char ch=getchar(); while(ch>'9'||ch<'0')ch=='-'&&(f=0)||(ch=getchar()); while(ch<='9'&&ch>='0')x=(x<<3)+(x<<1)+ch-'0',ch=getchar(); return f?x:-x; } char s[N], t[N]; queue<int> q; int main(int argc, char const *argv[]) { int n = read(); scanf("%s", s + 1); scanf("%s", t + 1); if (!strcmp(s + 1, t + 1)) { return puts("0"), 0; } int ans = 0; for (int i = n, j = n; i; -- i) { if (t[i] == t[i - 1]) continue; j = min(j, i); while (j && s[j] != t[i]) { -- j; } if (!j) { return puts("-1"), 0; } while (!q.empty() && q.front() >= i + q.size()) { q.pop(); } q.push(j); if (i != j) { ans = max(ans, (int) q.size()); } } printf("%d\n", ans + 1); return 0; } /* 7 atcoder aaaccce */
0
#include<iostream> #include<cstdio> #include<cstring> #include<string> using namespace std; typedef struct{ string name; int p,abc,de,f,s,m; int sum; double KORITU; //sum(収入) / 時間(abc+de)+付加時間(de*(m-1) }K; int main(){ int n; int A,B,C,D,E; while(1){ cin >> n; if(n==0)break; K data[51]; K temp; for(int i=0;i<n;i++){ cin >> data[i].name >> data[i].p >> A >> B >> C >> D >> E >> data[i].f >> data[i].s >> data[i].m; data[i].abc=A+B+C; data[i].de=D+E; data[i].sum= data[i].f * data[i].s * data[i].m - data[i].p; data[i].KORITU = (double)data[i].sum / (double)(data[i].abc+data[i].de + data[i].de*(data[i].m-1) ); } for(int i=0;i<n-1;i++){ for(int j=n-1;j>i;j--){ if(data[j].KORITU > data[j-1].KORITU){ temp=data[j]; data[j]=data[j-1]; data[j-1]=temp; } } } for(int i=0;i<n-1;i++){ for(int j=n-1;j>i;j--){ if(data[j].KORITU==data[j-1].KORITU&& data[j].name < data[j-1].name){ temp=data[j]; data[j]=data[j-1]; data[j-1]=temp; } } } for(int i=0;i<n;i++){ cout << data[i].name << endl; } cout << "#" << endl; } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> P; #define each(i,a) for (auto&& i : a) #define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++) #define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) RFOR(i,0,n) #define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME #define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__) #define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__) #define pb push_back #define all(a) (a).begin(),(a).end() #define chmin(x,v) x = min(x, v) #define chmax(x,v) x = max(x, v) const ll linf = 1e18; const int inf = 1e9; const double eps = 1e-12; const double pi = acos(-1); template<typename T> istream& operator>>(istream& is, vector<T>& vec) { each(x,vec) is >> x; return is; } template<typename T> ostream& operator<<(ostream& os, const vector<T>& vec) { rep(i,vec.size()) { if (i) os << " "; os << vec[i]; } return os; } template<typename T> ostream& operator<<(ostream& os, const vector< vector<T> >& vec) { rep(i,vec.size()) { if (i) os << endl; os << vec[i]; } return os; } int main() { ios::sync_with_stdio(false); cin.tie(0); ll n, a, b; while (cin >> n >> a >> b, n || a || b) { vector<ll> s(n); cin >> s; P ans(-linf, -linf); rep(i, n-1) { if (a <= i+1 && i+1 <= b) { chmax(ans, P(s[i] - s[i+1], i+1)); } } cout << ans.second << endl; } }
0
#include <cstdio> #include <algorithm> using namespace std; const char *solve(){ int c[20] = {}; int a; for(int i = 0; i < 5; ++i){ if(scanf("%d,", &a) == EOF){ return 0; } ++c[a]; } c[14] = c[1]; int mc = 0, ms = 0, p = 0; for(int i = 1; i < 14; ++i){ mc = max(mc, c[i]); if(c[i] > 1){ ++p; } int s = 0; for(int j = 0; j < 5 && c[i + j]; ++j){ ++s; } ms = max(ms, s); } if(mc == 4){ return "four card"; } if(p > 1 && mc > 2){ return "full house"; } if(ms > 4){ return "straight"; } if(mc > 2){ return "three card"; } if(p > 1){ return "two pair"; } if(p){ return "one pair"; } return "null"; } int main(){ const char *ans; while(ans = solve()){ puts(ans); } }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) typedef long long ll; int main() { int N; cin >> N; vector<int> primes; rep2(i, 2, 55555) { bool flag = true; rep(j, primes.size()) { if (i%primes[j] == 0) { flag = false; break; } } if (flag) primes.push_back(i); } vector<int> ans; rep(i, primes.size()) { if (primes[i]%5 == 1) ans.push_back(primes[i]); } rep(i, N) { if (i) cout << " "; cout << ans[i]; } cout << endl; }
0
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) ll ans = 0; bool cmp(const pair<ll,ll> &a, const pair<ll,ll> &b){ if(a.first==b.first)return a.second > b.second; else return a.first < b.first; } int main() { ll n ; cin >> n ; vector<pair<ll,ll>> v(n); ll rmin=0,lmax=0; rep(i, n){ cin >> v[i].first >> v[i].second; ans=max(ans,v[i].second-v[i].first+1); if(v[rmin].second>v[i].second)rmin=i; if(v[lmax].first <v[i].first)lmax=i; } ans+=max(0LL,v[rmin].second-v[lmax].first+1); ll ss=v[rmin].second,t=v[lmax].first; sort(v.begin(),v.end(),cmp); multiset<ll> s; rep(i,n)s.insert(v[i].second); rep(i,n){ s.erase(s.find(v[i].second)); ans=max(ans,max(ss-v[i].first+1,0LL)+max(*s.begin()-t+1,0LL)); } cout << ans << endl; return 0; }
#include<bits/stdc++.h> #include<tr1/unordered_map> #define ri register int using namespace std; #define fi first #define se second typedef long long ll; typedef pair<int,int> pii; typedef vector<int> poly; #define pb push_back const int rlen=1<<18|1,inf=0x3f3f3f3f; const ll Inf=1e18; char buf[rlen],*ib=buf,*ob=buf; #define gc() (((ib==ob)&&(ob=(ib=buf)+fread(buf,1,rlen,stdin)),ib==ob)?-1:*ib++) inline int read() { int ans=0; bool f=1; char ch=gc(); while(!isdigit(ch)) f^=ch=='-',ch=gc(); while(isdigit(ch)) ans=((ans<<2)+ans<<1)+(ch^48),ch=gc(); return f?ans:-ans; } inline ll readl() { ll ans=0; bool f=1; char ch=gc(); while(!isdigit(ch)) f^=ch=='-',ch=gc(); while(isdigit(ch)) ans=((ans<<2)+ans<<1)+(ch^48),ch=gc(); return f?ans:-ans; } inline int Read(char*s) { int tp=0; char ch=gc(); while(!isdigit(ch)&&!isalpha(ch)) ch=gc(); while(isdigit(ch)||isalpha(ch)) s[++tp]=ch,ch=gc(); return tp; } namespace modular { const int mod=1e9+7; inline int add(int a,int b) { return a+b<mod?a+b:a+b-mod; } inline int dec(int a,int b) { return a<b?a-b+mod:a-b; } inline int mul(int a,int b) { return (ll)a*b%mod; } inline void Add(int&a,int b) { a=a+b<mod?a+b:a+b-mod; } inline void Dec(int&a,int b) { a=a<b?a-b+mod:a-b; } inline void Mul(int&a,int b) { a=(ll)a*b%mod; } inline int ksm(int a,int p) { int ret=1;for(;p;p>>=1,Mul(a,a)) (p&1)&&(Mul(ret,a),1);return ret; } inline int Inv(int a) { return ksm(a,mod-2); } inline int sqr(int a) { return mul(a,a); } inline int cub(int a) { return (ll)a*a%mod*a%mod; } } using namespace modular; template<typename T> inline void ckmax(T&a,T b) { a<b?a=b:0; } template<typename T> inline void ckmin(T&a,T b) { a>b?a=b:0; } template<typename T> inline T gcd(T a,T b) { T t;while(b)t=a,a=b,b=t-t/a*a;return a; } template<typename T> inline T Abs(T x) { return x<0?-x:x; } inline int rd() { return rand()|(rand()<<15); } const int N=5e5+5; int n,pre[N],suf[N]; pii a[N]; int main() { #ifdef ldxcaicai freopen("lx.in","r",stdin); #endif n=read(); for(ri i=1;i<=n;++i) a[i].fi=read(),a[i].se=read(); sort(a+1,a+n+1); pre[0]=0x3f3f3f3f,suf[n]=0x3f3f3f3f; for(ri i=1;i<n;++i) pre[i]=min(pre[i-1],a[i].se); for(ri i=n-1;i;--i) suf[i]=min(suf[i+1],a[i].se); int res=0; for(ri mn,r1,r2,t,i=1;i<n;++i) { r1=a[i].se,r2=min(max(suf[i+1],a[n].fi-1),a[n].se); t=(r1-a[i].fi+1)+(r2-a[n].fi+1); mn=pre[i-1]; ckmax(res,t-max(0,min(r1-max(a[i].fi-1,mn),r2-max(a[n].fi-1,mn)))); } cout<<res; return 0; }
1
#include <bits/stdc++.h> using namespace std; typedef long long int ll; #define endl "\n" #define pll pair<ll, ll> #define pii pair<int, int> #define pb push_back #define vi vector<int> #define vl vector<ll> #define vpii vector<pair<int, int>> #define mems(x, y) memset(x, y, sizeof(x)) #define all(x) (x).begin(), (x).end() #define forn(i, s, e) for (int i = s; i < (e); ++i) #define FASTIO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); #define FILEIO \ freopen("./input.txt", "r", stdin); \ freopen("./output.txt", "w", stdout); #define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr) #define time__(d) \ for ( \ auto blockTime = make_pair(chrono::high_resolution_clock::now(), true); \ blockTime.second; \ debug("%s : %lld ms\n ", d, chrono::duration_cast<chrono::milliseconds>(chrono::high_resolution_clock::now() - blockTime.first).count()), blockTime.second = false) const int M = 1e9 + 7; template <class T> T ABS(const T &x) { return x > 0 ? x : -x; } ll gcd(ll n1, ll n2) { return n2 == 0 ? ABS(n1) : gcd(n2, n1 % n2); } ll lcm(ll n1, ll n2) { return n1 == 0 && n2 == 0 ? 0 : ABS(n1 * n2) / gcd(n1, n2); } int main() { FASTIO #ifdef LOCAL FILEIO #endif int n, i; cin >> n; if (n % 111 == 0) { cout << n << endl; return 0; } for (i = 1; i < 10; ++i) { if (n < i * 111) { break; } } cout << i * 111 << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll,ll> P; int main(void){ int a; cin>>a; if(a<=111){ cout<<111<<endl; }else if(a<=222){ cout<<222<<endl; }else if(a<=333){ cout<<333<<endl; }else if(a<=444){ cout<<444<<endl; }else if(a<=555){ cout<<555<<endl; }else if(a<=666){ cout<<666<<endl; }else if(a<=777){ cout<<777<<endl; }else if(a<=888){ cout<<888<<endl; }else{ cout<<999<<endl; } }
1
/** * @FileName a.cpp * @Author kanpurin * @Created 2020.08.20 03:18:30 **/ #include "bits/stdc++.h" using namespace std; typedef long long ll; class UnionFind { private: vector<int> par; public: UnionFind(int n) { par.resize(n, -1); } int root(int x) { if (par[x] < 0) return x; return par[x] = root(par[x]); } bool unite(int x, int y) { int rx = root(x); int ry = root(y); if (rx == ry) return false; if (size(rx) < size(ry)) swap(rx, ry); par[rx] += par[ry]; par[ry] = rx; return true; } bool same(int x, int y) { int rx = root(x); int ry = root(y); return rx == ry; } int size(int x) { return -par[root(x)]; } }; int main() { int n;cin >> n; vector<pair<int,int>> p(n),q(n); for (int i = 0; i < n; i++) { int a,b;cin >> a >> b; p[i].first = a; p[i].second = q[i].second = i; q[i].first = b; } sort(p.begin(), p.end()); sort(q.begin(), q.end()); UnionFind uf(n); typedef tuple<int,int,int> T; priority_queue<T,vector<T>,greater<T>> pq; for (int i = 0; i < n-1; i++) { pq.push(make_tuple(p[i+1].first - p[i].first,p[i+1].second,p[i].second)); pq.push(make_tuple(q[i+1].first - q[i].first,q[i+1].second,q[i].second)); } ll ans = 0; while(!pq.empty()) { auto t = pq.top(); pq.pop(); int x = get<1>(t); int y = get<2>(t); if (!uf.same(x,y)) { ans += get<0>(t); uf.unite(x,y); } } cout << ans << endl; return 0; }
#include <iostream> #include <cstdio> #include <cmath> #include <ctime> #include <cstdlib> #include <cassert> #include <vector> #include <list> #include <stack> #include <queue> #include <deque> #include <map> #include <set> #include <bitset> #include <string> #include <algorithm> #include <utility> #define llint long long #define inf 1e18 #define rep(x, s, t) for(llint (x) = (s); (x) < (t); (x)++) #define Rep(x, s, t) for(llint (x) = (s); (x) <= (t); (x)++) #define chmin(x, y) (x) = min((x), (y)) #define chmax(x, y) (x) = max((x), (y)) using namespace std; typedef pair<llint, llint> P; llint n; llint x[200005], y[200005], u[200005], v[200005]; char c[200005]; vector<P> vec[6][4000005]; llint calc(vector<P> &vec) { llint ret = inf, l = -inf; for(int i = 0; i < vec.size(); i++){ if(vec[i].second == -1) l = vec[i].first; else ret = min(ret, vec[i].first - l); } return ret; } int main(void) { ios::sync_with_stdio(0); cin.tie(0); cin >> n; for(int i = 1; i <= n; i++){ cin >> x[i] >> y[i] >> c[i]; x[i] *= 10, y[i] *= 10; u[i] = x[i] + y[i], v[i] = x[i] - y[i] + 2000002; } for(int i = 1; i <= n; i++){ if(c[i] == 'R') vec[0][y[i]].push_back(P(x[i], -1)); if(c[i] == 'L') vec[0][y[i]].push_back(P(x[i], 1)); if(c[i] == 'U') vec[1][x[i]].push_back(P(y[i], -1)); if(c[i] == 'D') vec[1][x[i]].push_back(P(y[i], 1)); if(c[i] == 'R') vec[2][u[i]].push_back(P(v[i], -1)); if(c[i] == 'U') vec[2][u[i]].push_back(P(v[i], 1)); if(c[i] == 'D') vec[3][u[i]].push_back(P(v[i], -1)); if(c[i] == 'L') vec[3][u[i]].push_back(P(v[i], 1)); if(c[i] == 'L') vec[4][v[i]].push_back(P(u[i], 1)); if(c[i] == 'U') vec[4][v[i]].push_back(P(u[i], -1)); if(c[i] == 'R') vec[5][v[i]].push_back(P(u[i], -1)); if(c[i] == 'D') vec[5][v[i]].push_back(P(u[i], 1)); } llint ans = inf; for(int i = 0; i < 6; i++){ for(int j = 0; j < 4000005; j++){ sort(vec[i][j].begin(), vec[i][j].end()); ans = min(ans, calc(vec[i][j])); } } if(ans > inf/2) cout << "SAFE" << endl; else cout << ans / 2 << endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; #define fs first #define sc second #define pb emplace_back #define mp make_pair #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define rep(i, n) for (int i = 0; i < (int)(n); ++i) using pii = pair<int, int>; using vi = vector<int>; using lint = long long; const int inf = 1001001001; const lint linf = 1001001001001001001ll; const int mod = 1e9 + 7; const int dx[]{0, 1, 0, -1, -1, -1, 1, 1}, dy[]{1, 0, -1, 0, -1, 1, -1, 1}; template<typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; } return a > b; } template<typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; } return a < b; } template<typename T> inline void print(const T &x, string s = "\n") { cout << x << s; } template<typename T> inline void print(const vector<T> &v, string s = " ") { if (!v.size()) puts(""); rep(i, v.size()) cout << v[i] << (i + 1 == v.size() ? "\n" : s); } inline bool inside(int y, int x, int H, int W) { return 0 <= y && y < H && 0 <= x && x < W; } inline lint in() { lint x; std::cin>>x; return x; } bool izryt(pair<pair<int, int>, string> a, pair<pair<int, int>, string> b) { if (a.fs.fs * b.fs.sc == b.fs.fs * a.fs.sc) return a.sc < b.sc; return a.fs.fs * b.fs.sc > b.fs.fs * a.fs.sc; } signed main() { int n; while (cin >> n, n) { vector<pair<pair<int, int>, string>> v; rep(i, n) { string l; cin >> l; int p = in(); int u = 0, t = 0; rep(i, 3) u += in(); rep(i, 2) t += in(); int f = in(); int s = in(); int m = in(); v.pb(mp(mp((f * m * s - p), (u + t * m)), l)); } sort(all(v), izryt); rep(i, n) { cout << v[i].sc << endl; } cout << "#" << endl; } }
#include "iostream" #include "climits" #include "list" #include "queue" #include "stack" #include "set" #include "functional" #include "algorithm" #include "math.h" #include "utility" #include "string" #include "map" #include "unordered_map" #include "iomanip" #include "random" using namespace std; const long long int MOD = 1000000007; long long int power(long long int x, long long int n, long long int M) { long long int tmp = 1; if (n > 0) { tmp = power(x, n / 2, M); if (n % 2 == 0) tmp = (tmp*tmp) % M; else tmp = (((tmp*tmp) % M)*x) % M; } return tmp; } long long int N, M, K, Q, W, H, L, R; long long int ans; int main() { ios::sync_with_stdio(false); cin >> N; while (N) { set<pair<long double, string> >s; for (int i = 0; i < N; i++) { string t; long double p, a, b, c, d, e, f, n, m; cin >> t >> p >> a >> b >> c >> d >> e >> f >> n >> m; s.insert({ 1000-((f*n*m - p) / (a + b + c + d*m + e*m)) ,t }); } for (auto i : s) { cout << i.second << endl; } cout << "#\n"; cin >> N; } return 0; }
1
#include "bits/stdc++.h" using namespace std; /////////////////////////////////////////// const long long int INF = 1LL<<60; const long long int Mod = 1000000007; using ll = long long int; using ci = const int; using vi = vector<int>; using Vi = vector<long long int>; using P = pair<int, int>; using PLL = pair<ll, ll>; using matrix = vector<vector<ll>>; #define pb(x) push_back(x) #define mp(x,y) make_pair(x,y) #define all(x) (x).begin(),(x).end() #define rep(i,N) for(ll i = 0; i < (ll)N; i++) #define repi(i,a,b) for(ll i = ll(a); i < ll(b); ++i) template<class T>bool chmax(T &former, const T &b) { if (former<b) { former=b; return true; } return false; } template<class T>bool chmin(T &former, const T &b) { if (b<former) { former=b; return true; } return false; } template<class T>T sqar(T x){ return x*x; }//sqrt(x)は平方根; #define Sort(v) std::sort(v.begin(), v.end(), std::greater<decltype(v[0])>()) //降順でVをソート #define p_queue(v) priority_queue<v, vector<v>, greater<v> > template<class T> inline void princ(T x){cout<<x<<" ";}; template<class T> inline void print(T x){cout<<x<<"\n";}; template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; } template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; } /////////////////////////////////////////////////////////////////////////////////// ll m; map<ll,ll> ma; Vi d,c; bool ck(){ ll sum = 0; rep(i,10){ sum += ma[i]; if(sum>=2)return true; } return false; } int main(){ cin.tie(0);ios::sync_with_stdio(false); std::cout<<std::fixed<<std::setprecision(30); cin>>m; d.resize(m); c.resize(m); rep(i,m){ cin>>d[i]>>c[i]; ma[d[i]] += c[i]; } ll ans = 0; while(ck()){ rep(i,10){ ll sum = 0; if(i==0){ if(ma[i]<2)continue; ans += ma[i]-1; ma[i] = 1; }else{ while(ma[i]>1){ if(ma[i]*i<10){ sum = ma[i]*i; ans += ma[i]-1; ma[i] = 0; ma[sum]++; }else{ ll tmp = 10/i; if(10%i==0){ tmp--; } tmp++; ll ret = ma[i]/tmp; ma[i]%=tmp; sum = tmp*i; sum = sum%10 + sum/10; ans += tmp*ret; ma[sum]+=ret; } } } } rep(i,10){ if(ma[i]==0)continue; repi(j,i+1,10){ if(ma[i]==0)continue; if(ma[j]==0)continue; ll sum = i+j; ans++; if(sum>=10)ans++; sum = sum/10 + sum%10; ma[i]--; ma[j]--; ma[sum]++; } } } print(ans); return 0; }
#include <bits/stdc++.h> #define int long long #define fi first #define se second #define pb push_back #define fastcin() ios_base::sync_with_stdio(false); cin.tie(0) using namespace std; typedef pair<int, int> ii; int Ceil(int a, int b) { return (a + b - 1) / b; } int m; signed main() { int s = 0, dig = 0; cin >> m; for(int i = 1; i <= m; i++) { int d, c; cin >> d >> c; dig += c; s += c * d; } cout << (dig - 1) + Ceil(s-9, 9); }
1
#include<bits/stdc++.h> using namespace std; long long N, K; double P[200000]; int main(){ cin >> N >> K; for(long long i = 0; i < N; i++) { double p; cin >> p; P[i] = (1.0 + p)/2.0; } double ans = 0; double sum = 0; for(long long i = 0; i < K; i++) { sum += P[i]; } ans = sum; for(long long i = K; i < N; i++) { sum += P[i]; sum -= P[i-K]; ans = max(ans, sum); } printf("%.10f\n", ans); }
#include <bits/stdc++.h> using namespace std; using ll = long long; const ll Mod = 1000000007; bool exists(vector<ll>& vec,ll x) { auto pos = lower_bound(vec.begin(),vec.end(),x); if(pos == vec.end())return false; return *pos == x; } void solve(ll N, ll M, vector<ll> A, vector<ll> B) { ll ans = 1; sort(A.begin(),A.end()); sort(B.begin(),B.end()); ll empty = 0; ll numrow=0,numcol=0; for(ll x = M*N;x>=1;--x) { if(exists(A,x)) { if(exists(B,x)) { empty += numcol + numrow; numcol++; numrow++; }else { empty += numcol - 1; ans *= numcol; ans %= Mod; numrow++; } }else { if(exists(B,x)) { empty += numrow - 1; ans *= numrow; ans %= Mod; numcol++; }else { if(empty <= 0) { cout<<0<<endl; return; } ans *= empty; empty--; ans %= Mod; } } } cout<<ans<<endl; } int main() { ll N; cin >> N; ll M; cin >> M; vector<ll> A(N); for(int i = 0 ; i < N ; i++) { cin >> A[i]; } vector<ll> B(M); for(int i = 0 ; i < M ; i++) { cin >> B[i]; } solve(N, M, move(A), move(B)); return 0; }
0
#include <iostream> #include <cctype> #include <cstring> #include <cstdio> #include <cmath> using namespace std; int main() { double x1,y1,x2,y2; scanf("%lf %lf %lf %lf",&x1,&y1,&x2,&y2); printf("%4lf\n",sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2))); return 0; }
#include <iostream> #include <math.h> using namespace std; class point{ public: double x, y; int set(); }; int point::set() { cin >> x >> y; return 0; } int main() { point P1, P2; P1.set(); P2.set(); cout << fixed << sqrt((P1.x - P2.x)*(P1.x - P2.x) + (P1.y - P2.y)*(P1.y - P2.y)) << endl; return 0; }
1
#include <bits/stdc++.h> #define reg register #define pr std::pair<int, int> #define fi first #define se second #define FIN(s) freopen(s, "r", stdin) #define FOUT(s) freopen(s, "w", stdout) #define debug(...) fprintf(stderr, __VA_ARGS__) #define rep(i, l, r) for (int i = l; i <= r; ++i) #define lep(i, l, r) for (int i = l; i < r; ++i) #define irep(i, r, l) for (int i = r; i >= l; --i) #define ilep(i, r, l) for (int i = r; i > l; --i) #define Rep(i, n) rep(i, 1, n) #define Lep(i, n) lep(i, 1, n) #define IRep(i, n) irep(i, n, 1) #define ILep(i, n) ilep(i, n, 1) typedef long long ll; typedef long double ld; namespace modular { const int MOD = 1000000007; inline int add(int x, int y) { return (x += y) >= MOD ? x -= MOD : x; } inline void inc(int &x, int y) { (x += y) >= MOD ? x -= MOD : 0; } inline int mul(int x, int y) { return 1LL * x * y % MOD; } inline int qpow(int x, int y) { int ans = 1; for (; y; y >>= 1, x = mul(x, x)) if (y & 1) ans = mul(ans, x); return ans; } }; // namespace modular namespace Base { template <typename Tp> inline Tp input() { Tp x = 0, y = 1; char c = getchar(); while ((c < '0' || '9' < c) && c != EOF) { if (c == '-') y = -1; c = getchar(); } if (c == EOF) return 0; while ('0' <= c && c <= '9') x = x * 10 + c - '0', c = getchar(); return x *= y; } template <typename Tp> inline void read(Tp &x) { x = input<Tp>(); } template <typename Tp> inline void chmax(Tp &x, Tp y) { x < y ? x = y : 0; } template <typename Tp> inline void chmin(Tp &x, Tp y) { x > y ? x = y : 0; } }; // namespace Base using namespace Base; /*----------------------------------------------------------------------------*/ #define MAX_N 507 #define MAX_M 1000007 int pri[MAX_M], tot; bool check[MAX_M]; void sieve() { int MX = 1000000; rep(i, 2, MX) { if (!check[i]) pri[++tot] = i; if (tot > 1000) break; rep(j, 1, tot) { if (i * pri[j] > MX) break; check[i * pri[j]] = true; if (i % pri[j] == 0) break; } } } int N; ll ans[MAX_N * 2][MAX_N * 2], num1[MAX_N * 2], num2[MAX_N * 2]; void solve() { if (N == 2) { puts("4 7"); puts("23 10"); return; } int cur = 0; Rep(i, N) if (i + 1 & 1) num1[1 - i + N] = pri[++cur]; rep(i, 2, N) if (i + 1 & 1) num1[i - 1 + N] = pri[++cur]; rep(i, 2, N + N) if (i & 1) num2[i] = pri[++cur]; // rep(i, 1, N * 2 - 1) printf("%d ", num1[i]); // puts(""); rep(i, 0, N + 1) { rep(j, 0, N + 1) if (i + j & 1) { ans[i][j] = std::max(1LL, num1[i - j + N]) * std::max(1LL, num2[i + j]); } } Rep(i, N) { Rep(j, N) if (!(i + j & 1)) { ans[i][j] = ans[i - 1][j] * ans[i + 1][j] + 1; } } Rep(i, N) { Rep(j, N) { if (ans[i][j] > 1e15) exit(1); printf("%lld ", ans[i][j]); } puts(""); } } int main() { sieve(); read(N); solve(); return 0; }
#include<iostream> #include<cstring> #include<cstdio> using namespace std; const int pds=998244353; const int N=1000086; int q1[N+5],q2[N+5]; int Pow(int a,int b) { int ans=1; for(;b;b>>=1,a=1ll*a*a%pds) if(b&1) ans=1ll*ans*a%pds; return ans; } void Init() { q1[0]=1; for(int i=1;i<=N;i++) q1[i]=1ll*q1[i-1]*i%pds; q2[N]=Pow(q1[N],pds-2); for(int i=N-1;i>=0;i--) q2[i]=1ll*q2[i+1]*(i+1)%pds; } int C(const int &n,const int &m){return 1ll*q1[n]*q2[m]%pds*q2[n-m]%pds;} int invC(const int &n,const int &m){return 1ll*q2[n]*q1[m]%pds*q1[n-m]%pds;} int main() { int n,m;Init(); cin>>n>>m; int t=min(n,m),ans=0; for(int i=1;i<=t;i++) { ans=(ans+1ll*C(2*i,i)*C(n+m-2*i,n-i))%pds; } ans=1ll*ans*invC(n+m,n)%pds*q2[2]%pds; cout<<(ans+max(n,m))%pds; return 0; }
0
//Heaplax //别让自己后悔 #include<bits/stdc++.h> #define N 2005 #define LL long long #define LOG(x) cerr<<#x<<" = "<<x<<endl #define add_edge(u,v) nxt[++cnt]=head[u],head[u]=cnt,to[cnt]=v #define open(x) freopen(#x".in","r",stdin),freopen(#x".out","w",stdout) char ch;bool fs;void re(int& x) { while(ch=getchar(),ch<33); if(ch=='-')fs=1,x=0;else fs=0,x=ch-48; while(ch=getchar(),ch>33)x=x*10+ch-48; if(fs)x=-x; } using namespace std; int n,m,q,v[N][N],xe[N][N],ye[N][N]; char s[N][N]; int main() { re(n),re(m),re(q); for(int i=1;i<=n;++i) scanf("%s",s[i]+1); for(int i=1;i<=n;++i) for(int j=1;j<=m;++j) { v[i][j]=s[i][j]-'0'+v[i-1][j]; xe[i][j]=(s[i][j]=='1'&&s[i-1][j]=='1')+xe[i-1][j]; ye[i][j]=(s[i][j]=='1'&&s[i][j-1]=='1')+ye[i][j-1]; } for(int i=1;i<=n;++i) for(int j=1;j<=m;++j) { v[i][j]+=v[i][j-1]; xe[i][j]+=xe[i][j-1]; ye[i][j]+=ye[i-1][j]; } for(int a,b,c,d;q--;) { re(a),re(b),re(c),re(d); int ans=v[c][d]+v[a-1][b-1]-v[a-1][d]-v[c][b-1]; ans-=xe[c][d]-xe[a][d]-xe[c][b-1]+xe[a][b-1]; ans-=ye[c][d]-ye[a-1][d]-ye[c][b]+ye[a-1][b]; printf("%d\n",ans); } }
#include <bits/stdc++.h> using namespace std; #define IOS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define ll long long bool a[2001][2001]; int res[2001][2001],v2[2001][2001],v1[2001][2001]; int main(){ IOS int n,m,q; cin>>n>>m>>q; for(int i=1;i<=n;i++){ int cnt=0; string s; cin>>s; for(int j=0;j<m;j++){ a[i][j+1]=s[j]-'0'; if(a[i][j+1]==1){ cnt++; } res[i][j+1]=cnt; } } for(int i=1;i<=n;i++){ int cnt=0; for(int j=1;j<=m;j++){ if(a[i][j]==1&&a[i][j-1]==1){ cnt++; } v1[i][j]=cnt; } } for(int i=1;i<=m;i++){ int cnt=0; for(int j=1;j<=n;j++){ if(a[j][i]==1&&a[j-1][i]==1){ cnt++; } v2[j][i]=cnt; } } for(int i=1;i<=q;i++){ int x1,y1,x2,y2,r=0,v=0; cin>>x1>>y1>>x2>>y2; for(int j=y1;j<=y2;j++){ r+=v2[x2][j]-v2[x1][j]; } for(int j=x1;j<=x2;j++){ r+=v1[j][y2]-v1[j][y1]; } for(int j=x1;j<=x2;j++){ v+=res[j][y2]-res[j][y1-1]; } cout<<v-r<<endl; } return 0; } /* */
1
// Template #include <bits/stdc++.h> #define rep_override(x, y, z, name, ...) name #define rep2(i, n) for (int i = 0; i < (n); ++i) #define rep3(i, l, r) for (int i = (l); i < (r); ++i) #define rep(...) rep_override(__VA_ARGS__, rep3, rep2)(__VA_ARGS__) #define all(x) (x).begin(), (x).end() #define sz(x) (int)(x).size() using namespace std; using ll = long long; constexpr int inf = 1001001001; constexpr ll INF = 3003003003003003003; template <class T> inline bool chmin(T &x, const T &y) {if (x > y) {x = y; return 1;} return 0;} template <class T> inline bool chmax(T &x, const T &y) {if (x < y) {x = y; return 1;} return 0;} struct IOSET {IOSET() {cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(10);}} ioset; // Union-Find struct UnionFind { vector<int> par; UnionFind(int N) : par(N, -1) { } int root(int x) { if (par[x] < 0) return x; return par[x] = root(par[x]); } void unite(int x, int y) { int rx = root(x); int ry = root(y); if (rx == ry) return; if (par[rx] > par[ry]) swap(rx, ry); par[rx] += par[ry]; par[ry] = rx; } bool same(int x, int y) { return root(x) == root(y); } int size(int x) { return -par[root(x)]; } }; // Main Code int main() { int n, m; cin >> n >> m; UnionFind uf(2 * n); vector<int> cnt(n, 0); rep(i, m) { int a, b; cin >> a >> b; --a; --b; uf.unite(a, b + n); uf.unite(a + n, b); ++cnt[a]; ++cnt[b]; } vector<int> siz(2 * n, 0); rep(i, n, 2 * n) ++siz[uf.root(i)]; ll ans = 0; rep(i, n) { ans += (siz[uf.root(i)] - cnt[i]); if (uf.same(i, n + i)) --ans; } cout << ans / 2 << "\n"; return 0; }
#include <iostream> #include <cstdio> #include <vector> using namespace std; const int N=2e5+10; int n,m; int col[N]; vector <int> g[N]; int cnt[4]; bool flag=0; void dfs(int x,int c){ col[x]=c;cnt[c]++; for(int i=0;i<g[x].size();i++){ if(!col[g[x][i]]) dfs(g[x][i],3-c); if(col[g[x][i]]==col[x]) flag=1; } } int main(){ scanf("%d%d",&n,&m); for(int i=1,x,y;i<=m;i++){ scanf("%d%d",&x,&y); g[x].push_back(y); g[y].push_back(x); } for(int i=1;i<=n;i++) if(!col[i]) dfs(i,1); if(flag) printf("%lld\n",(long long)n*(n-1)/2-m); else { printf("%lld\n",(long long)cnt[1]*cnt[2]-m); } return 0; }
1
#include <bits/stdc++.h> #define int long long #define mod 998244353 #define foi(i,n) for(int i = 0; i < n ; ++i) #define pi pair<int,int> #define pb push_back #define debug cout << "here" << endl; using namespace std; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<string> vs; int dp[100000]; int findProfit(int mask,int arr[16][16]){ int answer =0 ; vector<int> points; int ctr =0 ; while(mask){ if(mask&1) points.pb(ctr); ctr++; mask = mask>>1; } for(int i = 0 ;i < points.size();i++){ for(int j = i+1 ; j < points.size();j++) answer += arr[points[i]][points[j]]; } //for(auto y : points ) cout << y << " "; //cout << endl; return answer; } void init(int n,int arr[16][16]){ dp[0] = 0; for(int i = 1 ; i <= (((1)<<n)-1) ; i++){ int answer = findProfit(i,arr); for(int j = i-1 ; j>=0 ; j--){ if((j|i) == i) answer = max(answer , dp[j] + dp[(i^j)]); } dp[i] = answer; } } int32_t main(){ memset(dp,0,sizeof(dp)); int n; cin >> n; int arr[16][16]; foi(i,n){ foi(j,n) cin >> arr[i][j] ; } init(n,arr); cout << dp[((1LL)<<n)-1]; }
#include<bits/stdc++.h> #define REP(i,a,b) for(int i=a;i<=b;++i) typedef long long ll; using namespace std; void File(){ freopen("AGC10D.in","r",stdin); freopen("AGC10D.out","w",stdout); } const int maxn=1e5+10; int n; ll a[maxn],sum; bool dfs(bool now){ REP(i,1,n)if(a[i]%2==1)--a[i]; ll d=a[1]; REP(i,1,n)d=__gcd(a[i],d); int cnt=0; sum=0; bool flag=0; REP(i,1,n){ a[i]/=d; sum+=a[i]; if(a[i]%2==1)++cnt; if(a[i]==1)flag=1; } if(sum%2==0)return now^1; if(sum%2==1 && (cnt>=2 || flag))return now; return dfs(now^1); } int main(){ //File(); scanf("%d",&n); REP(i,1,n){ scanf("%lld",&a[i]); sum+=a[i]; } if(n%2!=sum%2)puts("First"); else if(n%2==0 && sum%2==0)puts("Second"); else{ int cnt=0; REP(i,1,n){ if(a[i]%2==1)++cnt; if(cnt>=2 || a[i]==1){ puts("Second"); return 0; } } if(dfs(1))puts("First"); else puts("Second"); } return 0; }
0
#include <bits/stdc++.h> using namespace std; typedef long lint; typedef long long llint; typedef pair<int, int> pint; typedef pair<long long, long long> pllint; // static const int MAX = 1e6; // static const int NIL = -1; // static const llint INF = 1<<21; // static const llint MOD = 1e9 + 7; bool compPair(const pint& arg1, const pint& arg2) { return arg1.first > arg2.first; } template<class T> void chmax(T& a, T b) { if (a < b) { a = b; } } template<class T> void chmin(T& a, T b) { if (a > b) { a = b; } } int main(void) { int n, t; cin >> n >> t; int ans = 0, tnow, tpush, tbfr; cin >> tbfr; for(int in=1;in<n;in++) { cin >> tpush; if(tpush-tbfr<=t) ans += tpush-tbfr; else ans += t; tbfr = tpush; } ans += t; cout << ans << endl; return 0; }
#include <bits/stdc++.h> #include <climits> #include <cmath> #include <iomanip> #include <math.h> #include <type_traits> #include <unordered_map> #include <unordered_set> //#define local #ifdef local #include "dbg-macro/dbg.h" #endif //#define hacks #ifdef hacks #include <boost/multiprecision/cpp_int.hpp> #endif #define p std::pair #define ll long long #define ld long double #define ull unsigned long long #define pi std::pair<int, int> #define stdabs std::abs #define all(x) (x).begin(), (x).end() #define rep(i, n) for (unsigned long long i = 0; i < (unsigned long long)(n); ++i) #define vec std::vector #define oreq |= #define npm next_permutation using namespace std; std::vector<unsigned ll> genprimevec(const unsigned ll N); ll extgcd(ll a, ll b, ll& x, ll& y); ll nCr(ll n, ll r); void stat(); template <typename T> T fact(T num); constexpr ll mod = 1000000000 + 7; int main() { stat(); ll n, t; cin >> n >> t; ull ans = 0,curtime=0; vec<ll> v(n); rep(i, n) { cin >> v[i]; } rep(i,n-1){ curtime+=v[i]; ans+=min(t,abs(v[i+1]-v[i])); } cout<<ans+t<<endl; return 0; } ll extgcd(ll a, ll b, ll& x, ll& y) { if (b == 0) { x = 1, y = 0; return a; } ll d = extgcd(b, a % b, y, x); y -= a / b * x; return d; } std::vector<unsigned ll> genprimevec(const unsigned ll N) { std::vector<bool> is_prime(N + 1); for (unsigned ll i = 0; i <= N; i++) { is_prime[i] = true; } std::vector<unsigned ll> P; for (unsigned ll i = 2; i <= N; i++) { if (is_prime[i]) { for (unsigned ll j = 2 * i; j <= N; j += i) { is_prime[j] = false; } P.emplace_back(i); } } return P; } void stat(){ #ifdef local rep(i, 2){std::cout << "local enable" << std::endl; } #endif #ifdef hacks rep(i, 2) { std::cout << "boost enable" << std::endl; } #endif } ll nCr(ll n, ll r) { ll num = 1; for (ll i = 1; i <= r; i++) { num = num * (n - i + 1) / i; } return num; } template <typename T> T fact(T num) { if (num == 1) { return 1; } return num * fact(num - 1); }
1
#include<iostream> #include<cstdio> #include<cstring> #include<ctime> #define re register const int MAXN=2e5+10; int n,K,s[MAXN],a[MAXN],timee; char fin[10010],*p1=fin,*p2=fin; char getc() { return p1==p2&&(p2=(p1=fin)+fread(fin,1,10000,stdin),p1==p2)?EOF:*p1++; } int read() { re int x=0; re char ch=0; while(ch<'0'||ch>'9') ch=getc(); while('0'<=ch&&ch<='9') x=(x<<3)+(x<<1)+(ch^48),ch=getc(); return x; } inline void insert(int x,int w) { for(;x<=n;x+=x&-x) s[x]+=w; } inline int query(int x) { re int res=0; for(;x;x-=x&-x) res+=s[x]; return res; } int main() { //freopen("t2.out","w",stdout); n=read(); K=read(); for(re int i=1;i<=n;i++) a[i]=read(); while(K--) { re bool flag=1; memset(s,0,(n+5)*sizeof(int)); for(re int i=1;i<=n;i++) insert(std::max(1,i-a[i]),1),insert(std::min(n,i+a[i])+1,-1); for(re int i=1;i<=n;i++) a[i]=query(i),flag&=(a[i]==n); if(flag) break; } for(re int i=1;i<=n;i++) printf("%d ",a[i]); printf("\n"); return 0; } /* 5 1 1 0 0 1 0 */
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i=0; i<n; i++) #define rep1(i, n) for(int i=1; i<n; i++) int main() { int N, K; cin >> N >> K; vector<int> v(N); rep(i, N) { cin >> v.at(i); } int a=0, b=0, c=0, x, y, z; rep(i, min(K,50)) { vector<int> vv(N+1); rep(j, N) { x = v.at(j); vv.at(max(j-x, 0)) += 1; vv.at(min(j+x+1,N)) -= 1; } v.at(0) = vv.at(0); rep1(j, N) { v.at(j) = v.at(j-1) + vv.at(j); } } rep(i, N) { cout << v.at(i) << " "; } }
1
#include"bits/stdc++.h" using namespace std; #define rep(i,n) for(int i=0;i<(int)(n);i++) const long long INF10=1e10+1,ID_MAX=20; const long mod=(1e9)+7; const long long INF18=1e18+1; struct edge{ int to; long cost; }; void sort2array(double *a,long *b,long n){ for(int i=0;i<n;i++){ b[i]=i; } sort(b,b+n,[a](long i,long j)->bool {return a[i]<a[j];} ); } //bを何回足せばaを超えるか(O(a/b)) int wtover(int a,int b){ if(a%b>0)return (a/b)+1; else return a/b; } int bi_e[ID_MAX]={0}; //2進数表示したときの最高桁(O(log n)) int bi_max(long n){ int m=0; for(m;(1<<m)<=n;m++);m=m-1; return m; } //bi_eに二進数表示したやつを代入(O(log^2 n)) void bi_exs(long n){ memset(bi_e,0,sizeof(bi_e)); if(n<(1<<ID_MAX)){ for(int i=0;n>0;n=(n>>1),i++)bi_e[i]=n&1; } } //x^n mod m (nが負の時は0)(O(log n)) long myPow(long x, long n, long m){ if(n<0)return 0; if(n == 0) return 1; if(n % 2 == 0) return myPow(x * x % m, n / 2, m); else return x * myPow(x, n - 1, m) % m; } //m以下のn以下の分割数のmodの表生成(O(nm))d[i][j]=jのi分割 long long d[10001][10001]; void divNum(int n,int m,long long md=mod){ rep(j,n+1){ d[j][0]=1; } rep(j,m){ d[0][j+1]=0; } for(int j=1;j<=n;j++){ for(int k=1;k<=m;k++){ if(j>k)d[j][k]=d[j-1][k]; else d[j][k]=(d[j-1][k]+d[j][k-j])%md; } } } const int N_MAX=1e5+1,M_MAX=1e9+1; int n,m; vector<int> a; long long div_res[N_MAX][100]; void divide(int s,int t){ div_res[0][0]=1; rep(i,s){ rep(j,t+1){ rep(k,t-j+1){ div_res[i+1][j+k]=(div_res[i+1][j+k]+div_res[i][j])%mod; } } } } int main(){ int i=0,maxa=0; //入力 cin>>n>>m; int mm=m,x=2,r; for(int j=2;j<=ceil(sqrt(m));j++){ r=0; while(mm%j==0){ mm=mm/j; r++; } if(r!=0){ if(maxa<r)maxa=r; a.push_back(r); } } if(mm!=1)a.push_back(1); //処理 long long res=1; divide(n,maxa); rep(i,a.size()){ res=(res*div_res[n][a.at(i)])%mod; } //出力 cout<<res<<endl; }
#include<bits/stdc++.h> #include<unordered_set> #include<unordered_map> #include <algorithm> #include <iostream> #include <string> #include <cmath> using namespace std; #define ll long long #define rep(i, n) for (ll i = 0; i < (n); i++) #define FOR(i,a,b) for(ll i=(a);i<(b);i++) #define FORR(i,a,b)for(ll i=(a);i<=(b);i++) #define repR(i,n) for(ll i=n;i>=0;i--) #define all(v)(v).begin(),(v).end() #define rall(v)(v).rbegin(),(v).rend() #define F first #define S second #define pb push_back #define pu push #define COUT(x) cout<<(x)<<endl #define PQ priority_queue<ll> #define PQR priority_queue<ll,vector<ll>,greater<ll>> #define YES(n) cout << ((n) ? "YES" : "NO" ) << endl #define Yes(n) cout << ((n) ? "Yes" : "No" ) << endl #define mp make_pair #define maxs(x,y) (x = max(x,y)) #define mins(x,y) (x = min(x,y)) #define sz(x) (ll)(x).size() typedef pair<int,int> pii; typedef pair<ll,ll> pll; const ll MOD = 1000000007LL; const ll INF = 1LL << 60; using vll = vector<ll>; using vb = vector<bool>; using vvb = vector<vb>; using vvll = vector<vll>; using vstr = vector<string>; using pll = pair<ll, ll>; using vc = vector<char>; using vvc = vector<vc>; 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; } ll dx[4]={0,1,0,-1}; ll dy[4]={1,0,-1,0}; map<ll,ll> insuu; ll n; const int MAX = 700000; long long fac[MAX], finv[MAX], inv[MAX]; // テーブルを作る前処理 void COMinit() { 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 % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(int n, int k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } void prime_factor(ll n){ ll k=n; for(ll i=2;i*i<=n;i++){ while(k%i==0){ insuu[i]++; k/=i; } } if(k!=1) insuu[k]=1; return ; } int main(){ COMinit(); ll m; cin>>n>>m;prime_factor(m); ll ans=1; ll k=n-1; for(auto p:insuu){ ans*=COM(p.S+k,k); ans%=MOD; } COUT(ans); }
1
#define _CRT_SECURE_NO_WARNINGS #include <stdio.h> #include <algorithm> #include <utility> #include <functional> #include <cstring> #include <queue> #include <stack> #include <math.h> #include <iterator> #include <vector> #include <string> #include <set> #include <math.h> #include <iostream> #include <random> #include<map> #include <iomanip> #include <time.h> #include <stdlib.h> #include <list> #include <typeinfo> #include <list> #include <set> #include <cassert> #include<fstream> #include <unordered_map> #include <cstdlib> #include <complex> using namespace std; #define Ma_PI 3.141592653589793 #define eps 0.00000001 #define LONG_INF 3e18 #define GOLD 1.61803398874989484820458 #define MAX_MOD 1000000007 #define MOD 998244353 #define REP(i,n) for(long long i = 0;i < n;++i) #define seg_size 524288 double dot(complex<double> a, complex<double> b) { return a.real() * b.real() + a.imag() * b.imag(); } double gyaku_dot(complex<double> a, complex<double> b) { return a.real() * b.imag() - a.imag() * b.real(); } double leng(complex<double> a) { return sqrt(a.real() * a.real() + a.imag() * a.imag()); } double angles(complex<double> a, complex<double> b) { double cosine = dot(a, b) / (leng(a) * leng(b)); double sine = gyaku_dot(a, b) / (leng(a) * leng(b)); double kaku = acos(cosine); if (sine <= 0) { kaku = 2 * Ma_PI - kaku; } return kaku; } vector<int> convex_hull(vector<complex<double>> a) { vector<int> ans; double now_minnest = a[0].real(); int now_itr = 0; REP(i, a.size()) { if (now_minnest > a[i].real()) { now_minnest = a[i].real(); now_itr = i; } } ans.push_back(now_itr); complex<double> ba(0, 1); while (true) { int now_go = 0; double now_min = 0; int starter = ans[ans.size() - 1]; for (int i = 0; i < a.size(); ++i) { if (i != starter) { double goa = angles(ba, a[i] - a[starter]); if (goa > now_min) { now_min = goa; now_go = i; } } } if (now_go == ans[0]) break; ans.push_back(now_go); ba = complex<double>(a[now_go] - a[starter]); } return ans; } long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } vector<tuple<long long, long long, long long, long long>> inputs; long long required_costs[300000] = {}; long long winning_value[300000] = {}; long long n, x; long long solve(long long now, long long border) { long long cost = winning_value[now] - required_costs[now]; if (border < now) { cost -= x * get<3>(inputs[border]); cost += get<1>(inputs[border]) * get<3>(inputs[border]); cost -= get<1>(inputs[border]) * get<2>(inputs[border]); } return cost; } int main() { iostream::sync_with_stdio(false); #define int long long cin >> n >> x; REP(i, n) { long long a, b, c; cin >> a >> b >> c; inputs.push_back(make_tuple(c * (x - a) + b * a, a, b, c)); } sort(inputs.begin(), inputs.end()); reverse(inputs.begin(), inputs.end()); long long costing = 0; REP(i, n) { costing += get<1>(inputs[i]) * get<2>(inputs[i]); } long long bobo = 0; REP(i, n + 1) { required_costs[i] = costing; winning_value[i] = bobo; if (i < n) { costing -= get<1>(inputs[i]) * get<2>(inputs[i]); bobo += get<3>(inputs[i]) * (x - get<1>(inputs[i])); } } long long ans = LONG_INF; for (int i = 0; i < n; ++i) { long long bot = 0; long long top = n; while (top - bot > 1) { long long mid = (top + bot) / 2; if (solve(mid, i) <= 0) { bot = mid; } else { top = mid; } } long long bobo = solve(bot, i); bobo *= -1; long long pre_ans = bot * x; if (i < bot) { pre_ans -= x; } long long now = x + 1; now = (bobo + get<2>(inputs[i]) - 1) / get<2>(inputs[i]); if (now >= 0 && now <= x) { ans = min(ans, pre_ans + now); } bobo += (get<3>(inputs[i]) - get<2>(inputs[i])) * get<1>(inputs[i]); now = (bobo + get<3>(inputs[i]) - 1) / get<3>(inputs[i]); if (now >= 0 && now <= x) { ans = min(ans, pre_ans + now); } } ans = min(ans, x * n); cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int N, T; int64_t DP[3010][3010]; // i番目、t分後の最大値 void init() { for (int i = 0; i < 3010; i++) for (int j = 0; j < 3010; j++) DP[i][j] = -1; DP[0][0] = 0; } int64_t ans() { int64_t ans = 0; for (int j = 0; j <= T; j++) ans = max(DP[N][j], ans); return ans; } int main() { cin >> N >> T; vector<pair<int, int>> ab(N); for (int i = 0; i < N; i++) { cin >> ab[i].first >> ab[i].second; } sort(ab.begin(), ab.end()); for (int i = 0; i < N; i++) { for (int t = 0; t <= T; t++) { if (DP[i][t] == -1) continue; DP[i + 1][t] = max(DP[i + 1][t], DP[i][t]); if (t < T) { DP[i + 1][min(t + ab[i].first, T)] = max(DP[i + 1][min(t + ab[i].first, T)], DP[i][t] + ab[i].second); } } } cout << ans() << endl; }
0
#include <bits/stdc++.h> using namespace std; #define all(v) v.begin(), v.end() #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define intll int long long const int INF = 1e9; const int MOD = 1e9 + 7; int main() { int n ; cin >> n ; string s , t ; cin >> s >> t ; deque<char> S , T ; rep(i,n){ S.push_back(s.at(i)) ; T.push_back(t.at(i)); } if(s == t ) { cout << s.size() <<endl ; return 0 ; } int ans = 2 * n ; rep(i,n){ S.pop_front(); T.pop_back(); if( S == T){ ans = S.size() + 2*(i+1) ; cout << ans <<endl ; return 0 ; } } }
// agc006_a #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> #if __cplusplus >= 201103L #include <array> #include <atomic> #include <chrono> #include <condition_variable> #include <forward_list> #include <future> #include <initializer_list> #include <mutex> #include <random> #include <ratio> #include <regex> #include <scoped_allocator> #include <system_error> #include <thread> #include <tuple> #include <type_traits> #include <typeindex> #include <unordered_map> #include <unordered_set> #endif template <typename A, typename B> bool cmin(A &a, const B &b) { return a > b ? (a = b, true) : false; } template <typename A, typename B> bool cmax(A &a, const B &b) { return a < b ? (a = b, true) : false; } const double PI = acos(-1); const double EPS = 1e-9; int inf = sizeof(int) == sizeof(long long) ? 2e18 : 1e9 + 10; int dx[] = {0, 1, 0, -1}; int dy[] = {1, 0, -1, 0}; #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int, int>; int main() { int N, index=0; string S,T; cin>>N>>S>>T; rep (i, N) { if (S.substr(N-1-i) == T.substr(0, i+1)) { index = i+1; } } cout<<2*N-index<<endl; return 0; }
1
#include <iostream> #include <vector> #include <algorithm> int main(){ int n, m, p, sum; while(std::cin >> n >> m){ std::vector<int> price_list = {}; if(n == 0 && m == 0){ break; } else{ sum = 0; for(int i = 0;i < n;++i){ std::cin >> p; price_list.push_back(p); sum += p; } std::sort(price_list.begin(), price_list.end(), std::greater<int>()); for(int i = 1;i <= n/m;++i){ sum -= price_list.at(i * m - 1); } std::cout << sum << std::endl; } } return 0; }
#include<iostream> #include<algorithm> using namespace std; int main() { int n,m,sum; int p[1010]; while(cin >> n >> m,n!=0&&m!=0){ for(int i=0;i<n;i++){ cin >> p[i]; } sort(p,p+n); reverse(p,p+n); sum = 0; for(int i=0;i<n;i++){ if( (i+1)%m != 0) sum += p[i]; } cout << sum << endl; } return 0; }
1
#include <bits/stdc++.h> using namespace std; int main(){ int d, g; cin >> d >> g; vector <int> p(d); vector <int> c(d); for(int i = 0; i < d; ++i) cin >> p[i] >> c[i]; int ans = 1e9; for(int mask = 0; mask < (1 << d); ++mask){ int point = 0, num = 0, rest_max = -1; for(int i = 0; i < d; ++i){ if(mask >> i & 1){ point += 100 * (i + 1) * p[i] + c[i]; num += p[i]; }else{ rest_max = i; } } if(point < g){ int p1 = 100 * (rest_max + 1); int need = (g - point + p1 - 1)/p1; if(need >= p[rest_max])continue; num+= need; } ans = min(ans, num); } cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll n ,k; cin>>n>>k; cout.precision(15); double p[n]; for(int i=0;i<n;i++) { cin>>p[i]; p[i] = (p[i] + 1)/2; } double curr =0, ans =0 ; for(int i=0;i<k;i++) { curr += p[i]; } ans =max( ans, curr); for(int i = k ;i< n ;i++) { curr = curr - p[i - k] + p[i]; ans = max( ans , curr); } printf("%.12f" , ans); }
0
#include <bits/stdc++.h> using namespace std; int main() { int n, p; while (cin >> n >> p, n) { int m = 0, q = p, st[50] = {}; while (1) { if (p == 0) { p += st[m]; st[m] = 0; } else { p--; st[m]++; if (p == 0 && st[m] == q) { break; } } m = (m + 1) % n; } cout << m << endl; } return 0; }
#include <algorithm> #include <iostream> #include <cstdio> #include <map> #include <numeric> #include <cmath> #include <set> #include <sstream> #include <string> #include <vector> #include <queue> #include <stack> #include <complex> #include <string.h> #include <unordered_set> #include <unordered_map> #include <bitset> #include <iomanip> #include <sys/time.h> #include <tuple> #include <random> using namespace std; #define endl '\n' #define ALL(v) (v).begin(), (v).end() #define RALL(v) (v).rbegin(), (v).rend() #define UNIQ(v) (v).erase(unique((v).begin(), (v).end()), (v).end()) typedef long long ll; typedef long double ld; typedef pair<ll, int> P; typedef tuple<int, int, int> T; typedef vector< vector<ld> > matrix; struct pairhash { public: template<typename T, typename U> size_t operator()(const pair<T, U> &x) const { size_t seed = hash<T>()(x.first); return hash<U>()(x.second) + 0x9e3779b9 + (seed<<6) + (seed>>2); } }; const int inf = 1e9 + 9; const ll mod = 1e9 + 7; const double eps = 1e-8; const double pi = acos(-1); int n; string s; int num[3][4010]; // 0->R, 1->G, 2->B ll solve() { for (int i = 0; i < n; i++) { for (int j = 0; j < 3; j++) { num[j][i+1] = num[j][i]; } switch(s[i]) { case 'R': num[0][i+1]++; break; case 'G': num[1][i+1]++; break; case 'B': num[2][i+1]++; break; } } ll res = 0; for (int i = 0; i < n; i++) { for (int j = i+1; j < n; j++) { if (s[i] == s[j]) continue; if ((s[i] == 'R' && s[j] == 'G') || (s[j] == 'R' && s[i] == 'G')) { res += num[2][n] - num[2][j]; if (j + j - i < n && s[j+j-i] == 'B') res--; } else if ((s[i] == 'B' && s[j] == 'G') || (s[j] == 'B' && s[i] == 'G')) { res += num[0][n] - num[0][j]; if (j + j - i < n && s[j+j-i] == 'R') res--; } else { res += num[1][n] - num[1][j]; if (j + j - i < n && s[j+j-i] == 'G') res--; } } } return res; } void input() { cin >> n >> s; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(15); input(); cout << solve() << endl; }
0
#include<bits/stdc++.h> using namespace std; int main(void){ int a[4]; for(int i=0;i<4;i++) cin>>a[i]; int e,f; cin>>e>>f; sort(a,a+4,greater<int>()); if(e<f){ cout<<a[0]+a[1]+a[2]+f<<endl; } else{ cout<<a[0]+a[1]+a[2]+e<<endl; } return 0; }
#include <iostream> using namespace std; int main () { int a[100],b[100],a1,a2,a3,b1; a1 = 0; a2 = 0; a3 = 0; b1 = 0; for (int i = 0; i < 4; i++) { cin >> a[i]; } for (int j = 0; j < 2; j++) { cin >> b[j]; } for (int i = 0; i < 4; i++) { if (a[i] >= a1) { a3 = 0; a3 = a2; a2 = 0; a2 = a1; a1 = 0; a1 = a[i]; } else if (a[i] >= a2) { a3 = 0; a3 = a2; a2 = 0; a2 = a[i]; } else if (a[i] >= a3) { a3 = 0; a3 = a[i]; } } for (int j = 0; j < 2; j++) { if (b1 < b[j]) { b1 = 0; b1 = b[j]; } } cout << a1 + a2 + a3 + b1 << endl; }
1
#include<iostream> #include<vector> using namespace std; vector<int> v[10000], rev[10000], order, group(10000, 0); vector<bool> vis(10000); void dfs(int x){ vis[x] = true; for(int j : v[x]){ if(!vis[j]) dfs(j); } order.push_back(x); } void rdfs(int x, int k){ group[x] = k; vis[x] = true; for(int j : rev[x]){ if(!vis[j]) rdfs(j, k); } } int main(){ int n, m; cin >> n >> m; while(m--){ int s, t; cin >> s >> t; v[s].push_back(t); rev[t].push_back(s); } fill(vis.begin(),vis.end(),0); for(int i = 0; i < n; i++){ if(!vis[i]) dfs(i); } fill(vis.begin(),vis.end(),0); int k = 0; for(int i = order.size()-1; i >= 0; i--){ if(!vis[order[i]]) rdfs(order[i], k++); } int q; cin >> q; while(q--){ int u, v; cin >> u >> v; cout << (group[u]==group[v]) << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n, m; map<int ,bool> AC; map<int ,int> WA; cin >> n >> m; for (int i = 0; i < m; i++){ int no; string res; cin >> no >> res; if (res == "AC") { AC[no] = 1; } else { if (!AC.count(no)) { WA[no]++; } } } int ac, wa; ac = wa = 0; for(auto m: AC){ int p; p = m.second; ac += p; } for(auto m: WA){ if (AC[m.first] == 1) { wa += m.second; } } cout << ac << " " << wa << endl; }
0
#include <iostream> using namespace std; typedef long long ll; const ll M=1000005,mod=998244353; ll F[M]; void Init(){ F[0]=1; for(int i=1;i<M;i++) F[i]=F[i-1]*i%mod; } ll Pow(ll n,ll p){ ll r=1; for(;p>0;p>>=1){ if(p&1) r=(r*n)%mod; n=(n*n)%mod; } return r; } ll Div(ll n,ll m){ return n*Pow(m,mod-2)%mod; } ll nCk(ll n,ll k){ return Div(F[n],F[n-k]*F[k]%mod); } int n,m; int main(){ Init(); cin>>n>>m; if(n>m) swap(n,m); ll t=0; for(int i=0;i<n;i++) (t+=nCk(2*i+1,i)*nCk(n+m-2*i-2,n-i-1))%=mod; cout<<(m+Div(t,nCk(n+m,n)))%mod<<endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using P = pair<ll, ll>; using Pld = pair<ld, ld>; using Vec = vector<ll>; using VecP = vector<P>; using VecB = vector<bool>; using VecC = vector<char>; using VecD = vector<ld>; using VecS = vector<string>; using Graph = vector<VecP>; #define REP(i, m, n) for(ll (i) = (m); (i) < (n); ++(i)) #define REPR(i, m, n) for(ll (i) = (m); (i) > (n); --(i)) #define rep(i, n) REP(i, 0, n) #define R cin>> #define repr(i, n) REPR(i, n, 0) #define all(s) (s).begin(), (s).end() #define pb push_back #define mp make_pair #define fs first #define sc second #define in(a) insert(a) #define P(p) cout<<(p)<<endl; #define ALL(x) (x).begin(),(x).end() #define ALLR(x) (x).rbegin(),(x).rend() #define SORT(a) sort((a).begin(), (a).end()) typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<long long int> vll; typedef vector<string> vs; typedef pair<int, int> pii; typedef long long ll; typedef pair<ll, ll> pll; void sonic(){ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);} void setp(const ll n){cout << fixed << setprecision(n);} const ll INF = 1e9+1; const ll LINF = 1e18+1; const ll mod = 1e9+7; //const ll MOD = 998244353; const ld PI = acos(-1); const ld EPS = 1e-11; template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;} template<class T>bool chmin(T &a,const T &b){if(a>b){a=b;return true;}return false;} template<typename T> void co(T e){cout << e << "\n";} template<typename T> void co(const vector<T>& v){for(const auto& e : v) { cout << e << " "; } cout << "\n";} ll gcd(ll a, ll b) { if (a < b)swap(a, b); if (b == 0) return a; unsigned r; while ((r = a % b)) { a = b; b = r; } return b; } ll lcm(ll a, ll b) { ll g = gcd(a, b); return a * b / g; } bool prime(ll n) { for (ll i = 2; i <= sqrt(n); i++) { if (n%i == 0)return false; } return n != 1; } int pow(int x, int y, int mod){ int ret=1; for(;y;y>>=1,x=1ll*x*x%mod){ if(y&1) ret=1ll*ret*x%mod; } return ret; } int n = 3010, maxn = 3000; ll fac[3010], inv[3010]; void init(){ fac[0]=1; REP(i, 1, maxn+1)fac[i]=1ll*fac[i-1]*i%mod; inv[maxn]=pow(fac[maxn], mod-2, mod); REPR(j,maxn-1,-1)inv[j]=1ll*inv[j+1]*(j+1)%mod; } int main() { sonic(); map<char, string> mp; R mp['a'] >> mp['b'] >> mp['c']; char pre = 'a', nxt; while(mp[pre]!=""){ nxt=mp[pre][0]; mp[pre]=mp[pre].substr(1, mp[pre].length()); pre=nxt; } pre-=32; co(pre); }
0
#include <bits/stdc++.h> #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) for(int i=0;i<(n);++i) #define FORq(i, m, n) for(int i = (m);i <= (n);++i) #define SCD(n) scanf("%d",&n) #define SCD2(m,n) scanf("%d%d",&m,&n) #define SCD3(m,n,k) scanf("%d%d%d",&m,&n,&k) #define SCLLD(n) scanf("%lld",&n) #define SCLLD2(m,n) scanf("%lld%lld",&m,&n) #define SCLLD3(m,n,k) scanf("%lld%lld%lld",&m,&n,&k) #define PB push_back #define MP make_pair #define ARSCD(A,N) REP(i,N){SCD(A[i]);} #define ARSCD1(A,N) FORq(i,1,N){SCD(A[i]);} #define PRINTD(n) printf("%d\n",n) #define PRINTLLD(n) printf("%lld\n",n) #define DEBUG printf("%s\n","debug") #define fst first #define snd second #define SIN(x,S) (S.count(x) != 0) using namespace std; typedef pair<int,int> PII; typedef vector<int> VI; typedef vector < VI > VVI; typedef vector<long long> VL; typedef long long ll; typedef long long integer; ////////////////////////////////////////////////// // Range Query - RMQ and RUQ with Lazy Segment Tree // https://www.slideshare.net/iwiwi/ss-3578491 // http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_2_F&lang=jp struct LazySegmentTree{ // for vertex n // par (n-1)/2 // chi 2n+1,2n+2 // index i // bottom vertex n+i-1 const int NONNUM = -1; //ありえない数字 int segn2; // imply actually vertex number vector<ll> data,lazy; LazySegmentTree(int n){ segn2=1; while(segn2<n) segn2*=2; //必要分2^Mを取る data.resize(segn2*2,INT_MAX); lazy.resize(segn2*2,NONNUM); } //lazy_propagate -- lazy[v] = xはvの表す区間がxに変更されることを表す. inline void eval(int k,int l,int r){ if (lazy[k] != NONNUM){ // lazy nonzero data[k] = lazy[k]; // itself if (r-l > 1){ lazy[2*k+1] = lazy[k]; lazy[2*k+2] = lazy[k]; } lazy[k] = NONNUM; } } ll query(int a,int b,int l=0,int r=-1,int k=0){ if(r<0) r=segn2; // when calling function at first if (r <= a || b <= l) return INT_MAX; //disjoint eval(k,l,r); if (a <= l && r <= b) return data[k]; //include ll vl = query(a,b,l,(l+r)/2,k*2+1); ll vr = query(a,b,(l+r)/2,r,k*2+2); return min(vl,vr); } void update(int a,int b ,ll x, int l = 0, int r=-1,int k = 0){ if(r==-1) r=segn2; eval(k,l,r); if (b <= l || r <= a) return; if (a <= l && r <= b){ lazy[k] = x; eval(k,l,r); return; }else{ //一部のみ含むとき,子ノードを計算してその結果をもらう update(a,b,x,l,(l+r)/2,2*k+1); update(a,b,x,(l+r)/2,r,2*k+2); data[k] = min(data[2*k+1] , data[2*k+2]); } } }; // 0-indexed // sum [s,t) --> s,t+1 // update [s,t,x) --> s,t+1,x int main(){ int N,q; SCD2(N,q); LazySegmentTree seg(N); REP(i,q){ int d; SCD(d); if (d==0){ int s,t,x; SCD3(s,t,x); seg.update(s,t+1,(ll)x); }else{ int s,t; SCD(s); PRINTLLD(seg.query(s,s+1)); } } }
#include <bits/stdc++.h> using namespace std; int main() { int n; string s; cin >> n >> s; int Q; cin >> Q; for (int q = 0; q < Q; q++) { int k; cin >> k; long long cnt_D = 0, cnt_M = 0, cnt_DM = 0, cnt_DMC = 0; for (int i = 0; i < n; i++) { if (s.at(i) == 'D') cnt_D++; else if (s.at(i) == 'M') { cnt_M++; cnt_DM += cnt_D; } else if (s.at(i) == 'C') cnt_DMC += cnt_DM; if (k - 1 <= i) { if (s.at(i - k + 1) == 'D') { cnt_D--; cnt_DM -= cnt_M; } else if (s.at(i - k + 1) == 'M') cnt_M--; } } cout << cnt_DMC << endl; } }
0
/** * author: boutarou * created: 10.06.2020 20:12:43 **/ #include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0; i < (n); i++) #define fcout cout << fixed << setprecision(15) using lint = long long; using P = pair<int, int>; template<class T> inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } const long long MOD = 1e9 + 7; const long long INF = 3e18; const double PI = 3.1415926535897932; int n; vector<P> a, b; int ans = 0; int main() { cin.tie(0); ios::sync_with_stdio(false); cin >> n; rep(i, n) { int x, y; cin >> x >> y; a.push_back({x, y}); } rep(i, n) { int x, y; cin >> x >> y; b.push_back({x, y}); } sort(a.begin(), a.end()); sort(b.begin(), b.end()); rep(i, n) { int now_x = b[i].first, now_y = b[i].second; int ma_y = -1; rep(j, n) { if (a[j].first > now_x) break; if (a[j].second < now_y) { chmax(ma_y, a[j].second); } } if (ma_y == -1) continue; ans++; rep(j, n) { if (a[j].second == ma_y) { a.erase(a.begin() + j); } } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n,m; cin >> n; vector<string> s(n); for(int i=0; i<n;i++){ cin >> s.at(i); } cin >> m; vector<string> t(m); for(int i=0; i<m; i++){ cin >> t.at(i); } int i; int sum=1,ans=0; vector<string> u; for(i=0;i<n;i++){ for(int j=i+1;j<n;j++){ if(s.at(i) == s.at(j)){ sum++; } } for(int l=0;l<m;l++){ if(s.at(i)==t.at(l)){ sum--; } } if(ans<sum){ ans = sum; //u=s.at(i); } sum=1; } cout << ans << endl; }
0
#include <bits/stdc++.h> using namespace std; vector< int64_t > divisor(int64_t n) { vector< int64_t > ret; for(int64_t i = 1; i * i <= n; i++) { if(n % i == 0) { ret.push_back(i); if(i * i != n) ret.push_back(n / i); } } return (ret); } int main(){ cin.tie(0); ios::sync_with_stdio(false); int64_t n,a,b,c; cin>>n>>a>>b; if(n==3)cin>>c; vector<int64_t> v; for(auto t:divisor(a))if(!(b%t))v.push_back(t); if(n==3)for(auto t:v)if(c%t)v.erase(find(v.begin(),v.end(),t)); sort(v.begin(),v.end()); for(auto t:v)cout<<t<<'\n'; }
#include <iostream> #include <algorithm> #include <vector> using namespace std; vector<int> yakusu(int d){ vector<int> res; for(int i=1; i*i <= d; i++){ if(d % i == 0) { res.push_back(i); if(i*i != d) res.push_back(d / i); } } sort(res.begin(), res.end()); return res; } int gcd(int a, int b){ if(b == 0) return a; return gcd(b, a % b); } int gcd(int* a, int n){ if(n == 2) return gcd(a[0], a[1]); int b[n-1]; for(int i=0; i<n-1; i++){ b[i] = gcd(a[i], a[i+1]); } return gcd(b, n-1); } int main(){ int n; cin >> n; int a[n]; for(int i=0; i<n; i++) cin >> a[i]; int g = gcd(a, n); for(const auto& x : yakusu(g)){ cout << x << endl; } return 0; }
1
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <sstream> #include <queue> #include <deque> #include <bitset> #include <iterator> #include <list> #include <stack> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <functional> #include <numeric> #include <utility> #include <limits> #include <time.h> #include <math.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <assert.h> using namespace std; #define FOR(i,n) for(int i = 0; i < n; i++) #define FORa(i,a,b) for(int i = a; i < b; i++) #define pb(x) push_back(x) #define mp(a, b) make_pair(a, b) #define F first #define S second #define SORT(a,n) sort(begin(a), begin(a) + n) #define VSORT(v) sort(v.begin(), v.end()) #define MAX 1000000 #define ll long long #define LOW(s) transform(s.begin(),s.end(),s.begin(),::tolower) #define UP(s) transform(s.begin(),s.end(),s.begin(),::toupper) //-------------------------------------------------------// int main() { int x; cin >> x; cout << x/500*1000 + (x-x/500*500)/5*5 << endl; return 0; }
#include<iostream> #include<algorithm> #include<vector> #include<string> #include<cmath> #include<queue> #include<stack> #include<map> using namespace std; template<typename A, typename B> bool chmin(A &a, const B &b){ return b < a && (a = b, true); } template<typename A, typename B> bool chmax(A &a, const B &b){ return a < b && (a = b, true); } int main(){ int n; cin >> n; cout << n / 3 << '\n'; return 0; }
0
#include <vector> #include <iostream> using namespace std; int main() { int n; cin >> n; int m = 1e9; for (int i = 0; i < n; i++) { int a; cin >> a; m = min(__builtin_ctz(a), m); } cout << m << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<int> A(N), B(N); for (int i = 0; i < N; i++) cin >> A.at(i); int min_count = 0; int x0 = A.at(0); while (x0 % 2 == 0) { min_count++; x0 = x0 / 2; } for (int x : A) { int count = 0; while (x % 2 == 0) { count++; x = x / 2; } min_count = min (min_count, count); } cout << min_count << endl; }
1
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) #define rrep(i, n) for (int i = (n)-1; i >= 0; i--) using namespace std; using P = complex<double>; using lli = long long int; using T = lli; bool cmp_x(const P& p, const P& q) { if (p.real() != q.real()) return p.real() < q.real(); return p.imag() < q.imag(); } T dot(P a, P b) { //内積 return (conj(a) * b).real(); } T cross(P a, P b) { //det return (conj(a) * b).imag(); } vector<P> convex_hull(P* ps, int n) { sort(ps, ps + n, cmp_x); int k = 0; vector<P> qs(n * 2); rep(i, n) { while (k > 1 && cross((qs[k - 1] - qs[k - 2]), (ps[i] - qs[k - 1])) <= 0) k--; qs[k++] = ps[i]; } for (int i = n - 2, t = k; i >= 0; i--) { while (k > t && cross((qs[k - 1] - qs[k - 2]), (ps[i] - qs[k - 1])) <= 0) k--; qs[k++] = ps[i]; } qs.resize(k - 1); return qs; } P x[100005]; int main() { int n; cin >> n; T a, b; map<lli,map<lli,int>> idx; map<lli,map<lli,int>> prev; vector<P> Y; rep(i, n) { cin >> a >> b; x[i] = P(a, b); Y.push_back(x[i]); prev[a][b] = i; } vector<P> con = convex_hull(x, n); if(n==2){ cout << 0.5 << "\n" << 0.5 << endl; return 0; } int cnt = 0; for(auto s:con) { idx[s.imag()][s.real()] = cnt++; } int k = con.size(); vector<double> ans ; rep(i,n){ if(idx[Y[i].imag()].find(Y[i].real())==idx[Y[i].imag()].end()){ ans.push_back(0.0); continue; } int id = idx[Y[i].imag()][Y[i].real()]; P l = con[(id-1+k)%k]; P c = Y[i]; P r = con[(id+1+k)%k]; using Pd = complex<double>; Pd l_c = (l+c);l_c/=2.0; Pd r_c = (r+c);r_c/=2.0; double rad = M_PI - abs(arg((r_c - c) / (l_c - c))); ans.push_back(rad); } double total = 0.0; rep(i,n)total += ans[i]; rep(i,n){ printf("%.10f\n",ans[i]/total); } }
#include<algorithm> #include<iostream> #include<cstring> #include<string> #include<vector> #include<cstdio> #include<cmath> #include<map> #include<set> using namespace std; int g[100005]; int F(int x) { return g[x]==x?g[x]:g[x]=F(g[x]); } void U(int x,int y) { g[F(x)]=F(y); } int n; pair <pair<int,int>,int> a[100005]; vector <pair<int,pair<int,int> > > v; long long ans=0; int main() { scanf("%d",&n); for(int i=0;i<n;i++) { scanf("%d%d",&a[i].first.first,&a[i].first.second); a[i].second=i; g[i]=i; } sort(a,a+n); for(int i=0;i<n-1;i++) v.push_back(make_pair(a[i+1].first.first-a[i].first.first, make_pair(a[i].second,a[i+1].second))); for(int i=0;i<n;i++) swap(a[i].first.first,a[i].first.second); sort(a,a+n); for(int i=0;i<n-1;i++) v.push_back(make_pair(a[i+1].first.first-a[i].first.first, make_pair(a[i].second,a[i+1].second))); sort(v.begin(),v.end()); for(int i=0;i<v.size();i++) { int k22=v[i].second.second; int k21=v[i].second.first; //cout<<v[i].first<<' '<<k21<<' '<<k22<<endl; int aaa=F(k21),bbb=F(k22); //cout<<k21<<':'<<aaa<<' '<<k22<<':'<<bbb<<endl; if(aaa==bbb) ; else { //cout<<aaa<<' '<<bbb<<endl; U(k21,k22); ans+=v[i].first; //cout<<v[i].first<<endl; } } cout<<ans; return 0; }
0
#include<cstdio> #define C(x,y) (fct[x]*ifct[y]%TT*ifct[(x)-(y)]%TT) using namespace std; const int maxn=2005,TT=1e9+7; int n,K,m,F[maxn][maxn]; long long fct[maxn*maxn],ifct[maxn*maxn]; inline int read(){ int ret=0;bool f=0;char ch=getchar(); while(ch>'9'||ch<'0') f^=ch=='-',ch=getchar(); while(ch<='9'&&ch>='0') ret=ret*10+ch-'0',ch=getchar(); return f?-ret:ret; } inline long long pow(int x,int y){ long long ret=1,w=x; while(1){ if(y&1) ret=ret*w%TT; if(!(y>>=1)) return ret; w=w*w%TT; } } inline void add(int&x,int y){if((x+=y)>=TT) x-=TT;} int main(){ n=read(),K=read();m=n*K; if(K==1) return puts("1")&0; for (int i=fct[0]=1;i<=m;i++) fct[i]=fct[i-1]*i%TT; ifct[m]=pow(fct[m],TT-2); for (int i=m;i;i--) ifct[i-1]=ifct[i]*i%TT; F[0][0]=1; for (int i=1;i<=n;i++) for (int j=0;j<=i;j++){ if(j<i) add(F[i][j],F[i-1][j]); if(j) add(F[i][j],C(m-i-(j-1)*(K-1)-1,K-2)*F[i][j-1]%TT); } printf("%lld\n",fct[n]*F[n][n]%TT); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long LL; const int MOD=1000000007; int n,k; LL fac[4000000],inv_fac[4000000],dp[2001]; void check_mod(LL &a) { if (a>=MOD) a%=MOD; } int ksm(LL a, int b) { LL ret=1ll; while (b) { if (b&1) ret*=a; check_mod(ret); a*=a; check_mod(a); b>>=1; } return ret; } int main() { LL lt; int t; scanf("%d%d",&n,&k); if (k==1) { printf("1\n"); return 0; } fac[0]=1; t=n*k; for (int i = 1; i < t; ++i) { fac[i]=1ll*i*fac[i - 1]; check_mod(fac[i]); } inv_fac[t-1]=ksm(fac[t-1],MOD-2); for (int i=t-2;i;--i) { inv_fac[i]=1ll*(i+1)*inv_fac[i+1]; check_mod(inv_fac[i]); } inv_fac[0]=1; dp[0]=1; t=-2; for (int i=1;i<=n;++i) { t+=k-1; for (int j=0;j<=i;++j) { ++t; lt=fac[t]*inv_fac[t-k+2]; check_mod(lt); lt*=inv_fac[k-2]; check_mod(lt); dp[j]*=lt; if (j) dp[j]+=dp[j - 1]; check_mod(dp[j]); } t-=i+1; } printf("%lld\n",dp[n]*fac[n]%MOD); return 0; }
1
#include <stdio.h> int a[1000000]; long long int ans=0; void mergesort(int l,int r){ if(l==r)return; if(l==r-1){ if(a[r]<a[l]){ int temp; temp=a[l]; a[l]=a[r]; a[r]=temp; ans++; } return; } int mid=(l+r)/2,now=0,b[r-l+1]; mergesort(l,mid-1); mergesort(mid,r); for(int i=0;i<=r-l;i++){ if(a[l+i-now]<a[mid+now]){ b[i]=a[i+l-now]; if(i+l-now==mid-1){ for(i++;i<=r-l;i++)b[i]=a[i+l]; } } else{ ans+=mid-i+now-l; b[i]=a[mid+now]; now++; if(mid+now>r){ for(i++;i<=r-l;i++){ b[i]=a[i+l-now]; } } } } for(int i=0;i<=r-l;i++)a[i+l]=b[i]; } int main(){ int n; scanf("%d",&n); for(int i=0;i<n;i++)scanf("%d",&a[i]); mergesort(0,n-1); printf("%lld\n",ans); }
/* * * * * * * * * * * ** * * * saurabh8522 * * I will handle * * IT. * * * * * * * * * * * * * * **/ #include<bits/stdc++.h> #define mp(a,b) make_pair(a,b) #define pb push_back #define FastRead ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define endl '\n' #define ld long double #define zero(a) memset((a),0,sizeof((a))) #define one(a) memset((a),1,sizeof((a))) #define minus(a) memset((a),-1,sizeof((a))) #define all(g) g.begin(),g.end() #define ppb pop_back using namespace std; typedef long long int ll; #define MOD 1000000007 ll extgcd(ll a,ll b,ll& x,ll& y){if(b==0){x=1;y=0;return a;}else{int g=extgcd(b,a%b,y,x);y-=a/b*x;return g;}} ll modpow(ll a,ll b) {ll res=1;a%=MOD;for(;b;b>>=1){if(b&1)res=res*a%MOD;a=a*a%MOD;}return res;} ll numdigit(ll n){return floor(log10(n)) + 1;} bool isPowerTwo (ll x) { return x && (!(x&(x-1))); } const ll INF=1e16; vector<ll>v(200005,-INF); ll dp[200005][2][2]; bool vis[200005][2][2]; ll n; ll find(ll pos,ll flag1,ll flag2){ // cout<<pos<<" "<<flag1<<" "<<flag2<<endl; if(pos>=n) return 0ll; ll &ans=dp[pos][flag1][flag2]; if(vis[pos][flag1][flag2]) return ans; vis[pos][flag1][flag2]=1; if(flag2==0){ if(pos==n-3){ if(flag1==0) return ans=max(v[pos],max(v[pos+1],v[pos+2])); else return ans=max(v[pos+1],v[pos+2]); } if(flag1==0){ ll ans1=find(pos+2,0ll,1ll); ll ans2=v[pos]+find(pos+2,0ll,0ll); ll ans3=v[pos+1]+find(pos+2,1ll,0ll); ans=max(ans1,max(ans2,ans3)); } else{ ll ans1=find(pos+2,0ll,1ll); ll ans2=v[pos+1]+find(pos+2,1ll,0ll); ans=max(ans1,ans2); } } else{ if(flag1==0){ ll ans1=v[pos]+find(pos+2,0ll,1ll); ll ans2=v[pos+1]+find(pos+2,1ll,1ll); ans=max(ans1,ans2); } else{ ans=v[pos+1]+find(pos+2,1ll,1ll); } } // cout<<pos<<" "<<flag1<<" "<<flag2<<" "<<ans<<endl; return ans; } int main(){ FastRead; ll t=1; while(t--){ cin>>n; for(ll i=0;i<n;i++){ cin>>v[i]; } for(ll i=0;i<n;i++){ vis[i][0][0]=vis[i][0][1]=0; vis[i][1][0]=vis[i][1][1]=0; } if(n&1){ cout<<find(0,0ll,0ll)<<endl; } else{ cout<<find(0,0ll,1ll)<<endl; } } }
0
#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <queue> #include <bitset> #include <stack> #include <functional> #ifdef LOCAL #define eprintf(...) fprintf(stderr, __VA_ARGS__) #else #define eprintf(...) 42 #endif #define rep(i, n) for(int i = 0, i##_len = (n); i < i##_len; ++i) #define repp(i, m, n) for(int i = m, i##_len = (n); i < i##_len; ++i) #define reprev(i, n) for(int i = (n-1LL); i >= 0; --i) #define all(x) (x).begin(), (x).end() 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; } template <class T> T gcd(T a, T b) { return b ? gcd(b, a % b) : a; } using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair <int,int> P; typedef long double ld; struct UnionFind { vector< int > data; UnionFind(int sz) { data.assign(sz, -1); } bool unite(int x, int y) { x = find(x), y = find(y); if(x == y) return (false); if(data[x] > data[y]) swap(x, y); data[x] += data[y]; data[y] = x; return (true); } int find(int k) { if(data[k] < 0) return (k); return (data[k] = find(data[k])); } int size(int k) { return (-data[find(k)]); } }; int main(void) { cin.tie(0); ios::sync_with_stdio(false); ll n, m; cin >> n >> m; UnionFind uf(2 * n); rep (i, m) { int a, b; cin >> a >> b; a--; b--; uf.unite(2 * a, 2 * b + 1); uf.unite(2 * b, 2 * a + 1); } if (uf.find(0) != uf.find(1)) { ll x[2] = {}; rep (i, n) x[(uf.find(2 * i) != uf.find(0))]++; eprintf("%lld %lld\n", x[0], x[1]); cout << x[0] * x[1] - m << "\n"; } else { cout << n * (n - 1) / 2 - m << "\n"; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> pp; const int INF = 1e9; const int MOD = 1000000007; #define rep(i,n) for(int i=0;i<n;i++) int MX = 100005; vector<int> parents(MX); vector<int> in(MX); vector<vector<int>> tree(MX,vector<int>()); int main() { int n,m; cin >> n >> m; rep(i,n-1+m){ int a,b; cin >> a >> b; --a; --b; tree.at(a).push_back(b); in.at(b) ++; } int parent = 0; rep(i,n){ if(in.at(i) == 0){ parent = i; break; } } parents.at(parent) = -1; queue<int> q; q.push(parent); while(!q.empty()){ int now = q.front(); q.pop(); for(auto i:tree.at(now)){ in.at(i) --; if(in.at(i) == 0){ parents.at(i) = now; q.push(i); } } } rep(i,n) cout << parents.at(i)+1 << endl; return 0; }
0
#include <bits/stdc++.h> #define int long long #define rep(i, n) for(int i = 0; i < (int)(n); i++) #define all(x) (x).begin(),(x).end() #define pb push_back #define F first #define S second using namespace std; using P = pair<int,int>; using ivec = vector<int>; using Graph = vector<vector<int>>; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } const int MOD=1000000007; int INF=100100100100100; int a[100010]; signed main(){ int n;cin>>n; ivec dp(n+1,INF); rep(i,n)cin>>a[n-1-i]; rep(i,n){ *lower_bound(all(dp),a[i]+1)=a[i]; } cout<<lower_bound(all(dp),INF)-dp.begin()<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define FOR(i,a,b) for(int i=(a); i<=(b); i++) #define rep(i,n) for(int i = 0; i < (n); i++) #define chmin(a,b) if((a)>(b)) (a)=(b); #define chmax(a,b) if((a)<(b)) (a)=(b); #define vi vector<int> #define pii pair<int,int> #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define pb push_back #define pf push_front int gcd(int a,int b){/*a>=0,b>=0,¬(a=b=0)*/ while(min(a,b)>0){if(a<b)swap(a,b);a%=b;}return max(a,b); } int dx[]={1,0,-1,0,1,-1,-1,1}; int dy[]={0,1,0,-1,1,1,-1,-1}; const int MOD = 1e9+7; const long long INF = 1e18+10; /*--------------------------------------------------------------------*/ signed main(){ int n; cin>>n; int a[17]; int x[17][17]; int y[17][17]; rep(i,n){ cin>>a[i]; rep(j,a[i]){ cin>>x[i][j]>>y[i][j]; } } int ans=0; rep(bit,1<<n){ int shoujiki[17]; rep(i,n){ if(bit&(1<<i)) shoujiki[i]=1; else shoujiki[i]=0; } int to[17][17]; int ok=1; rep(i,n){ if(shoujiki[i]){ rep(j,a[i]){ if(y[i][j]){ if(shoujiki[x[i][j]-1]==0) ok=0; }else{ if(shoujiki[x[i][j]-1]==1) ok=0; } } } } if(ok){ int cnt=0; rep(i,n){ if(shoujiki[i]==1) cnt++; } chmax(ans,cnt); } } cout<<ans<<endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using vl = vector<ll>; using vll = vector<vl>; using Pll = pair<ll, ll>; #define rep(i,n) for(ll i=0;i<(ll)(n);i++) #define all(v) v.begin(), v.end() #define sz(x) ((int) x.size()) #define pb push_back #define mp make_pair #define mt make_tuple #define F first #define S second const int MOD = 1e9+7; const int INF = 2e9; template<class T> void print(const T& t){ cout << t << endl; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } int gcd(int a,int b){return b?gcd(b,a%b):a;} int main(){ ll n; cin >> n; string a, b, c; cin >> a >> b >> c; ll ans = 0; rep(i,n){ if(a[i]==b[i]&&b[i]==c[i]){ continue; } else if(a[i]!=b[i]&&b[i]!=c[i]&&c[i]!=a[i]){ ans += 2; } else{ ans++; } } print(ans); }
#define rep(i,n) for(ll i=0, i##_len=(n); i<i##_len; ++i) #define rrep(i,a,b) for(ll i=(b)-1; i>=a; --i) #define repi(i,a,b) for(ll i=ll(a);i<ll(b);++i) #define ALL(obj) (obj).begin(), (obj).end() #define scanv(n,v) v.resize(n); rep(i,n){ cin>>v[i];} #define MOD 1000000007ll #define Yes(flag) cout<<((flag)? "Yes":"No"); #define YES(flag) cout<<((flag)? "YES":"NO"); #define be begin #define pb push_back #define fi first #define se second #define square(x) x*x #include<bits/stdc++.h> using ll = long long; using namespace std; template<class T>T chmin(T& a,T b){if(a>b){a=b;return true;}return false;} template<class T>T chmax(T& a,T b){if(a<b){a=b;return true;}return false;} //------------------------------------------------------ int eq(char a,char b,char c){ vector<char> k{a,b,c}; sort(ALL(k)); return distance(k.begin(),unique(ALL(k)))-1; } int n; string a,b,c; void input(){ cin>>n>>a>>b>>c; } void src(){ int ans=0; rep(i,n){ ans+=eq(a[i],b[i],c[i]); } cout<<ans; } int main(int argc,char* argv[]){ ios::sync_with_stdio(false); // ifstream in( argv[1] ); cin.rdbuf(in.rdbuf()); input(); src(); }
1
#define rep(i, a, b) for(int i = a; i < (int)(b); i++) #include <bits/stdc++.h> typedef long long ll; using namespace std; template<class T> inline void chmax(T &a, const T &b) {if(a < b) a = b;} template<class T> inline void chmin(T &a, const T &b) {if(a > b) a = b;} const long long INF = 1LL<<60; const ll MAXN = (ll)2e3+10; const ll DIV = (ll)1e9+7; int main(void) { ll N; cin>>N; string S; cin>>S; vector<int> ar(2*N); if (S[0]=='W' || S[2*N-1]=='W') { cout<<0<<endl; return 0; } ar[0] = 1; ar[2*N-1] = -1; rep(i,1,2*N) { if (S[i] == S[i-1]) { if (ar[i-1]==1) ar[i]=-1; else ar[i]=1; } else { if (ar[i-1]==1) ar[i] = 1; else ar[i] = -1; } } // rep(i,0,2*N) cout<<ar[i]<<endl; ll sum = 0; rep(i,0,2*N) sum+=ar[i]; if (sum!=0) { cout<<0<<endl; return 0; } ll ans = 1; ll tmp = 0; for(int i = 2*N-1;i>=0;i--) { if (ar[i]==-1) { tmp++; } else { ans *= tmp; ans = ans%DIV; tmp--; } } // cout<<ans<<endl; rep(i,1,N+1) { ans *= i; ans = ans%DIV; } cout<<ans<<endl; return 0; }
#include <iostream> #include <string> using namespace std; const int MOD = 1000000007; int solve(const string& s){ const int N = s.size()/2; long long res = 1; int numS = 0, sumS = 0, inc = 0; for(auto& c : s){ if(c == 'B'){ if(inc%2 == 0){ ++inc; ++numS; ++sumS; } else { if(numS == 0) return 0; --inc; res = (res * numS) % MOD; --numS; } } else { if(inc%2 == 0){ if(numS == 0) return 0; --inc; res = (res * numS) % MOD; --numS; } else { ++inc; ++numS; ++sumS; } } } if(sumS != N) return 0; for(int i=1;i<=N;i++) res = (res*i)%MOD; return res; } int main(){ int N; while(cin >> N){ string s; cin >> s; cout << solve(s) << endl; } }
1
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <iostream> #include <string> #include <vector> #include <map> #include <unordered_map> #include <queue> #include <algorithm> #include <bits/stdc++.h> #include <cmath> #include <limits> using namespace std; long long N; map<long long, long long> mp; int main(int argc, char* argv[]){ cin.tie(0); ios::sync_with_stdio(false); cin >> N ; for(int i=0; i<N; i++){ long long a; cin >> a; if(mp.count(a)==0){ mp[a] = 1; } else{ mp[a]++; } } vector<pair<long long, long long>> v; for(auto itr = mp.begin(); itr != mp.end(); itr++){ long long k = itr->first; long long u = itr->second; v.push_back(make_pair(k, u)); } sort(v.begin(), v.end()); int found = 0; long long ans = 0; for(int i=v.size()-1; i>=0; i--){ if(v[i].second < 2) continue; if(v[i].second >=4){ if(found == 2){ ans = ans*(v[i].first); } else{ ans = (v[i].first)*(v[i].first); } found = 4; break; } if(v[i].second == 2 || v[i].second == 3){ found += 2; if(found == 4){ ans = ans * v[i].first; break; } else{ ans = v[i].first; } } } if(found < 4) ans = 0; printf("%lld\n", ans); return 0; }
#include <bits/stdc++.h> #define nl '\n' using namespace std; typedef long long ll; void solve() { int N; cin >> N; int A[N]; for (int& i: A) cin >> i; ll ans = 0; const int mod = 1e9 + 7; int suff[N] = {0}; suff[N - 1] = A[N - 1]; for (int i = N - 2; i >= 0; i--) suff[i] = (A[i] + suff[i + 1]) % mod; for (int i = 0; i < N - 1; i++) ans = (ans + (1ll * A[i] * suff[i + 1]) % mod) % mod; cout << ans; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); // int t; // cin >> t; // while (t--) { solve(); // cout << nl; // } return 0; }
0
#include<bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; int h,w; cin >> h >> w; int ans=(n-h+1)*(n-w+1); cout << ans << endl; return 0; }
#include <iostream> #include <iomanip> #include <algorithm> #include <vector> #include <set> #include <map> #include <cmath> #define rep(i,n) for (int i = 0; i < n; ++i) using namespace std; using ll = long long; using P = pair<int,int>; int main() { string S; cin >> S; int ans = 1000; rep(i,S.size()-2) { int t = int(S[i]-48) * 100 + int(S[i+1]-48) * 10 + int(S[i+2]-48); ans = min(ans, abs(t - 753)); } cout << ans << endl; return 0; }
0
#include <iostream> #include <cstdio> #include <climits> #include <cmath> #include <cassert> #include <algorithm> #include <utility> #include <vector> #include <string> #include <stack> #include <queue> #define MAX 10000 #define INFTY 1<<30 // 2^30 #define N 8 using namespace std; typedef long long llong; static const int NIL = -1; static const int WHITE = 0; static const int GRAY = 1; static const int BLACK = 2; static const int NOT_FREE = 0; static const int FREE = 1; static const int FIXED = 2; bool X[N][N]; vector<pair<int, int> > ans; void init() { for(int i = 0; i < N; i++) for(int j = 0; j < N; j++) X[i][j] = false; } bool can_pos(int x, int y) { for(int i = 0; i < ans.size(); i++) { int tx = ans[i].first; int ty = ans[i].second; if(x == tx) return false; if(y == ty) return false; if((x-tx)*(x-tx) == (y-ty)*(y-ty)) return false; } return true; } void printBoard() { for(int i = 0; i < ans.size(); i++) X[ans[i].first][ans[i].second] = true; for(int i = 0; i < N; i++) { for(int j = 0; j < N; j++) cout << (X[i][j] ? "Q" : "."); cout << endl; } } bool recursive(int p) { for(; p < N * N; p++) { int i = p%N; int j = p/N; if(!(can_pos(i,j))) continue; pair<int, int>tmp = make_pair(i, j); ans.push_back(tmp); if(!recursive((j+1)*N)) ans.pop_back(); } if(ans.size() == N) return true; return false; } int main() { init(); int k, r, c; cin >> k; for(int i = 0; i < k; i++) { cin >> r >> c; pair<int, int> tmp = make_pair(r, c); ans.push_back(tmp); } if(recursive(0)) printBoard(); return 0; }
#include <iostream> #include <cstdio> #include <cstdlib> using namespace std; const char Q = 'Q'; const char _ = '.'; char board[8][9] = { "........", "........", "........", "........", "........", "........", "........", "........", }; int n; bool pre_x[8], pre_y[8]; inline bool check(int x, int y) { int p = x, q = y; while (--p >= 0 && --q >= 0) { // upper left if (board[q][p] == Q) return false; } p = x; q = y; while (++p < 8 && --q >= 0) { // upper right if (board[q][p] == Q) return false; } p = x; q = y; while (++p < 8 && ++q < 8) { // lower right if (board[q][p] == Q) return false; } p = x; q = y; while (--p >= 0 && ++q < 8) { // lower left if (board[q][p] == Q) return false; } return true; } bool solve(int row) { if (row == 8) return true; if (pre_y[row] && solve(row + 1)) { return true; } else { for (int i = 0; i < 8; ++i) { if (!pre_x[i] && check(i, row)) { board[row][i] = Q; pre_x[i] = true; if (solve(row + 1)) { return true; } else { board[row][i] = _; pre_x[i] = false; } } } } return false; } int main(void) { scanf("%d", &n); for (int i = 0, x, y; i < n; ++i) { scanf("%d %d", &y, &x); board[y][x] = Q; pre_y[y] = pre_x[x] = true; } solve(0); for (int i = 0; i < 8; ++i) { printf("%s\n", board[i]); } return 0; }
1
#include<algorithm> #include<cstdio> #define s(A) std::sort(A,A+10); main(){ int Z[20],p; for(int i=0;i<20;i++) scanf("%d",&p),Z[i]=p; s(Z); s(Z+10); printf("%d %d\n",Z[7]+Z[8]+Z[9],Z[17]+Z[18]+Z[19]); }
#include <cstdio> #include <algorithm> #include <string> #include <iostream> #define inf 1001001001 using namespace std; int n, c; size_t s, t, dp[1001][1001]; string a, b; int main() { cin >> a >> b; s = a.length(), t = b.length(); for (size_t i = 1; i <= s; ++i) dp[i][0] = i; for (size_t i = 1; i <= t; ++i) dp[0][i] = i; for (size_t i = 0; i < s; ++i) { for (size_t j = 0; j < t; ++j) { if (a[i]==b[j]) c = 0; else c = 1; dp[i+1][j+1] = min(dp[i][j+1]+1, dp[i+1][j]+1); dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j]+c); } } printf("%ld\n", dp[s][t]); }
0
#include <bits/stdc++.h> using namespace std; #define ALL(a) (a).begin(),(a).end() #define rALL(a) (a).rbegin(),(a).rend() typedef pair<int, int> Pint; typedef pair<int64_t, int64_t> Pll; int main() { int N, ans = 0; string A, B, C; cin >> N >> A >> B >> C; for (int i = 0; i < N; i++){ set<char> T; T.insert(A.at(i)); T.insert(B.at(i)); T.insert(C.at(i)); if (T.size() == 2){ ans++; } else if (T.size() == 3){ ans += 2; } } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define repex(i, a, b, c) for(int i = a; i < b; i += c) #define repx(i, a, b) repex(i, a, b, 1) #define rep(i, n) repx(i, 0, n) #define repr(i, a, b) for(int i = a; i >= b; i--) int main(){ // 1. 入力情報. int N; char A[111], B[111], C[111]; scanf("%d %s %s %s", &N, A, B, C); // 2. 操作回数を保存. int ans = 0; rep(i, N){ set<char> s; s.insert(A[i]); s.insert(B[i]); s.insert(C[i]); ans += s.size() - 1; } // 3. 出力. printf("%d\n", ans); return 0; }
1
#include<bits/stdc++.h> #define del(a,i) memset(a,i,sizeof(a)) #define ll long long #define inl inline #define il inl void #define it inl int #define ill inl ll #define re register #define ri re int #define rl re ll #define mid ((l+r)>>1) #define lowbit(x) (x&(-x)) #define INF 0x3f3f3f3f using namespace std; template<class T>il read(T &x){ int f=1;char k=getchar();x=0; for(;k>'9'||k<'0';k=getchar()) if(k=='-') f=-1; for(;k>='0'&&k<='9';k=getchar()) x=x*10+k-'0'; x*=f; } template<class T>il _print(T x){ if(x>=10) _print(x/10); putchar(x%10+'0'); } template<class T>il print(T x){ if(x<0) putchar('-'),x=-x; _print(x); } ll mul(ll a,ll b,ll mod){long double c=1.;return (a*b-(ll)(c*a*b/mod)*mod)%mod;} it qpow(int x,int k,int mod){ int res=1,bas=x; while(k){ if(k&1) res=1ll*res*bas%mod; bas=1ll*bas*bas%mod,k>>=1; } return res; } const int N = 2e5+5,mod = 1e9+7; it add(int x,int y){return x+y>=mod?x+y-mod:x+y;} it mul(int x,int y){return 1ll*x*y%mod;} il inc(int &x,int y){x=add(x,y);} int n,m,k,ans,fac[N],ifac[N]; it C(int n,int m){return mul(mul(ifac[n-m],ifac[m]),fac[n]);} int main(){ // freopen(".in","r",stdin); // freopen(".out","w",stdout); read(n),read(m),read(k),fac[0]=1; for(ri i=1;i<=n*m;++i) fac[i]=mul(fac[i-1],i); ifac[n*m]=qpow(fac[n*m],mod-2,mod); for(ri i=n*m-1;i>=0;--i) ifac[i]=mul(ifac[i+1],i+1); for(ri i=1;i<=n-1;++i) inc(ans,mul(mul(mul(m,m),n-i),i)); for(ri i=1;i<=m-1;++i) inc(ans,mul(mul(mul(n,n),m-i),i)); print(mul(ans,C(n*m-2,k-2))); return 0; }
#include<bits/stdc++.h> using namespace std; using ll = long long; const int MOD = 1e9+7; struct Combination { vector<long long> inv,finv,fac; Combination(int n, int kmax) : inv(kmax+1),finv(kmax+1),fac(kmax){ if(kmax>=1){ inv.at(1)=1; finv.at(1)=1; fac.at(0) = n; } for(int i=2; i<=kmax; i++) inv.at(i) = MOD - inv.at(MOD%i) * (MOD/i) %MOD; for(int i=2; i<=kmax; i++) finv.at(i) = finv.at(i-1) * inv.at(i) % MOD; for(int i=1; i<kmax; i++) fac.at(i) = fac.at(i-1) * (n-i) % MOD; } int comb(int k) {return (k ? fac.at(k-1) * finv.at(k) % MOD : 1 );} }; ll exgcd(ll a,ll b,ll &x,ll &y){ while(b){ ll t{a/b}; swap(a-=t*b, b); swap(x-=t*y, y); } return a; } ll exgcd(ll a,ll b){ ll x{1},y{0}; return exgcd(a,b,x,y); } ll inverse(ll a,ll mod){ ll x{1},y{0}; exgcd(a,mod,x,y); return (x%mod+mod)%mod; } int main(){ int n,m,k; cin>>n>>m>>k; ll sum{}; Combination c(n*m-2,k-2); for(ll i=0; i<n; i++){ for(ll j=0; j<m; j++){ sum += (i*(i+1)/2+(n-i)*(n-i-1)/2)*m; sum %= MOD; sum += (j*(j+1)/2+(m-j)*(m-j-1)/2)*n; sum %= MOD; } } sum *= c.comb(k-2); sum %= MOD; sum *= inverse(2,MOD); sum %= MOD; cout << sum << endl; }
1
#include <iostream> #include <cstdio> #include <cstdlib> #include <cstring> #include <algorithm> #include <vector> #include <queue> #include <stack> #include <cmath> using namespace std; const int MAXN = 100000 + 1000; int n; int s[4][MAXN]; int id[MAXN], rev[MAXN]; int s1, s2, f1, f2; bool vis[MAXN]; void no() { cout << "No" << endl; exit(0); } void yes() { cout << "Yes" << endl; exit(0); } int main() { ios::sync_with_stdio(false); // freopen("1.in", "r", stdin); // freopen("1.out", "w", stdout); cin >> n; for(int i = 1; i <= 3; i++) for(int j = 1; j <= n; j++) cin >> s[i][j]; for(int i = 1; i <= n; i++) { if(s[1][i] % 3 == 0 && s[3][i] + 1 == s[2][i] && s[2][i] + 1 == s[1][i]) id[i] = s[1][i] / 3, rev[i] = true; else if(s[3][i] % 3 == 0 && s[1][i] + 1 == s[2][i] && s[2][i] + 1 == s[3][i]) id[i] = s[3][i] / 3, rev[i] = false; else no(); } // for(int i = 1; i <= n; i++) // cout << id[i] << endl; for(int i = 1; i <= n; i++) if(id[i] % 2 != i % 2) no(); for(int i = 1; i <= n; i++) (i & 1 ? f1 : f2) ^= rev[i]; for(int i = 1; i <= n; i++) if(!vis[i]) { int cur = i, cnt = 0; do { vis[cur] = true; cnt++; cur = id[cur]; } while(cur != i); (i & 1 ? s1 : s2) ^= ((cnt - 1) & 1); } if((s1 ^ f2) || (s2 ^ f1)) no(); yes(); return 0; }
#include <iostream> #include <cassert> #include <cstring> #include <vector> using namespace std; vector<vector<vector<double>>> dp; int n; double find(int i, int j, int k){ if(dp[i][j][k]!=-1) return dp[i][j][k]; dp[i][j][k] = 0.0; if(i==0 && j==0 && k==0){ return dp[i][j][k]; } dp[i][j][k] += n; if(k){ dp[i][j][k] += k*find(i,j+1,k-1); } if(j){ dp[i][j][k] += j*find(i+1,j-1,k); } if(i){ dp[i][j][k] += i*find(i-1,j,k); } dp[i][j][k] /= 1.0*(i+j+k); return dp[i][j][k]; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int t; t = 1; while(t--){ cin >> n; dp = vector<vector<vector<double>>> (n+1,vector<vector<double>>(n+1,vector<double>(n+1,-1))); vector<int> count(4,0); for(int i=0 ; i<n ; i++){ int in; cin >> in; count[in]++; } cout.precision(16); cout << find(count[1],count[2],count[3]) << "\n"; } return 0; }
0
#include <bits/stdc++.h> using namespace std; #define int long long int char arr[405][405]; bool vis[405][405]; int h, w; int cb; int cw; bool f(int i, int j, int l, int m){ if(l<0 || l>=h || m<0 || m>=w){ return 0; } if(vis[l][m]==1){ return 0; } if(arr[i][j]==arr[l][m]){ return 0; } return 1; } void dfs(int i, int j){ vis[i][j]=1; if(arr[i][j]=='#'){ cb++; } else{ cw++; } if(f(i, j, i+1, j)){ dfs(i+1, j); } if(f(i, j, i, j+1)){ dfs(i, j+1); } if(f(i, j, i-1, j)){ dfs(i-1, j); } if(f(i, j, i, j-1)){ dfs(i, j-1); } } main() { cin>>h>>w; for(int i=0; i<h; i++){ for(int j=0; j<w; j++){ cin>>arr[i][j]; } } int ans=0; for(int i=0; i<h; i++){ for(int j=0; j<w; j++){ if(vis[i][j]==0){ dfs(i, j); ans+=(cb*cw); cb=0; cw=0; } } } cout<<ans; return 0; }
#include <limits.h> #include <math.h> #include <stdio.h> #include <stdlib.h> #include <algorithm> #include <cassert> #include <cfloat> #include <complex> #include <functional> #include <iostream> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <unordered_map> #include <vector> using namespace std; #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) #define rep(i, n) for (ll i = 0; i < (n); ++i) #define Sort(v) sort(v.begin(), v.end()) #define Reverse(v) reverse(v.begin(), v.end()) #define Lower_bound(v, x) \ distance(v.begin(), lower_bound(v.begin(), v.end(), x)) #define Upper_bound(v, x) \ distance(v.begin(), upper_bound(v.begin(), v.end(), x)) using ll = long long; using ull = unsigned long long; using P = pair<ll, ll>; using T = tuple<ll, ll, ll>; using vll = vector<ll>; using vP = vector<P>; using vT = vector<T>; using vvll = vector<vector<ll>>; using vvP = vector<vector<P>>; using dqll = deque<ll>; ll dx[9] = {-1, 1, 0, 0, -1, -1, 1, 1, 0}; ll dy[9] = {0, 0, -1, 1, -1, 1, -1, 1, 0}; const ll INF = 1LL << 50; struct UnionFind { vll par; vll wcnt; vll bcnt; ll cnt; UnionFind(ll N, vector<string>& mp) : par(N), wcnt(N, 0), bcnt(N, 0), cnt(N) { for (ll i = 0; i < N; i++) { par[i] = i; ll w = (ll)mp[0].size(); if (mp[i / w][i % w] == '.') wcnt[i] = 1; else bcnt[i] = 1; } } ll find(ll x) { return par[x] == x ? x : par[x] = find(par[x]); } bool same(ll x, ll y) { return find(x) == find(y); } ll get_wcnt(ll x) { return wcnt[find(x)]; } ll get_bcnt(ll x) { return bcnt[find(x)]; } void unite(ll x, ll y) { x = find(x); y = find(y); if (x == y) return; ll sizex = wcnt[x] + bcnt[x]; ll sizey = wcnt[y] + bcnt[y]; if (sizex < sizey) swap(x, y); par[y] = x; wcnt[x] += wcnt[y]; bcnt[x] += bcnt[y]; cnt--; } ll count() const { return cnt; } }; int main() { ll h, w; cin >> h >> w; vector<string> mp(h); rep(i, h) { cin >> mp[i]; } UnionFind uf(h * w, mp); rep(i, h) rep(j, w) rep(k, 4) { ll y = i + dy[k]; ll x = j + dx[k]; bool cond = 0 <= x && x < w && 0 <= y && y < h; if (!cond) continue; if (mp[y][x] != mp[i][j]) { uf.unite(x + y * w, j + i * w); } } ll ans = 0; rep(i, h * w) { if(i == uf.find(i)){ ans += uf.get_bcnt(i) * uf.get_wcnt(i); } } cout << ans << endl; return 0; }
1
#include <bits/stdc++.h> using namespace std; int cnt[100005]; bool ac[100005]; char s[5]; int main() { int n, m; scanf("%d%d", &n, &m); int pen = 0; int res = 0; for (int i = 0; i < m; i++) { int x; scanf("%d%s", &x, s); if (s[0] == 'A') { if (!ac[x]) { res++; pen += cnt[x]; } ac[x] = 1; } else { cnt[x]++; } } printf("%d %d\n", res, pen); }
#include <bits/stdc++.h> #define itn int #define REP(i, n) for (ll i = 0; i < n; i++) #define IREP(i, n) for (ll i = n - 1; i >= 0; i--) #define FOR(i, a, b) for (ll i = a; i < b; i++) #define all(v) v.begin(), v.end() #define SENTINEL 2000000000 #define NIL -1 using namespace std; typedef long long ll; const ll MAX = 510000; const ll INF = 1LL << 60; const ll MOD = 1000000007; template <class T>inline bool chmin(T &a, T b){if(a>b){a=b;return true;}return false;} template <class T>inline bool chmax(T &a, T b){if(a<b){a=b;return true;}return false;} int h, w; vector<string> v(400); class UnionFind { public: vector<ll> par; // 各元の親を表す配列 vector<ll> siz; // 素集合のサイズを表す配列(1 で初期化) vector<ll> siz_B; // Constructor UnionFind(ll sz_) : par(sz_), siz(sz_, 1), siz_B(sz_,0) { for (ll i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 } void init(ll sz_) { par.resize(sz_); siz.assign(sz_, 1); siz_B.assign(sz_, 0); for (ll i = 0; i < sz_; ++i){ par[i] = i; if (v[i / w][i % w] == '#') { siz_B[i]=1; } } } // Member Function // Find ll root(ll x) { // 根の検索 while (par[x] != x) { x = par[x] = par[par[x]]; // x の親の親を x の親とする } return x; } // Union(Unite, Merge) bool merge(ll x, ll y) { x = root(x); y = root(y); if (x == y) return false; // merge technique(データ構造をマージするテク.小を大にくっつける) if (siz[x] < siz[y]) swap(x, y); siz[x] += siz[y]; siz_B[x]+=siz_B[y]; par[y] = x; return true; } bool issame(ll x, ll y) { // 連結判定 return root(x) == root(y); } ll size(ll x) { // 素集合のサイズ return siz[root(x)]; } ll size_B(ll x){ return siz_B[root(x)]; } }; int main() { cin >> h >> w; REP(i,h){ cin >> v[i]; } UnionFind uf(h * w); uf.init(h*w); REP(i,h){ REP(j,w){ if(j!=w-1&&v[i][j]!=v[i][j+1]){ uf.merge(i*w+j,i*w+j+1); } if(i!=h-1&&v[i][j]!=v[i+1][j]){ uf.merge(i*w+j,(i+1)*w+j); } } } set<ll> ne; REP(i,h){ REP(j,w){ ne.insert(uf.root(i*w+j)); } } ll ans=0; for(auto& k:ne){ ans+=(uf.size(k)-uf.size_B(k))*(uf.size_B(k)); } cout << ans << endl; }
0
#include <iostream> #include <vector> #include <algorithm> using namespace std; #define V(a) a.begin(), a.end() typedef vector<int> vi; int main() { vi a[2], C; for (auto &i : a) { int n; cin >> n; i = vi(n); for (int &j : i) cin >> j; sort(V(i)); } set_intersection(V(a[0]), V(a[1]), inserter(C, C.end())); cout << C.size() << endl; }
#include <iostream> #include <vector> #include <algorithm> #include <cstdio> #include <set> using namespace std; #define rep(i,a) for(int i = 0 ; i < a ; i ++) #define loop(i,a,b) for(int i = 0 ; i < a ; i ++) #define vi vector<int> int main(void){ int s,t,r=0; cin>>s; vi sv(s); rep(i,s)cin>>sv[i]; cin>>t; vi tv(t); rep(i,t){ cin>>tv[i]; rep(j,s){ if(sv[j] == tv[i]){ r++; break; } } } cout<<r<<endl; }
1
#include<bits/stdc++.h> using namespace std; using ll = long long; using Graph = vector<vector<int>>; const ll mod=1000000007; const int MAX_N = 1000; // n の最大値 // nCk を取得 double nCk(int n, int k) { double res=1.0; for(int i=0; i<n; i++){ res*=0.5;} for(int i=0; i<k; i++){ res*=(double)(n-i); res/=(double)(k-i); } return res;} int main() { ll h,w,n; cin>>h>>w>>n; ll ans=0; if(h>w){ if(n%h==0){ ans = n/h;} else{ ans = n/h +1;}} else{ if(n%w==0){ ans = n/w;} else{ ans = n/w +1;}} cout << ans << endl;}
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll n; cin >> n; const ll p = 26; string ans = ""; ll tmp = n; while (true) { tmp--; ll mod = tmp % p; string mod_s{ (char)('a' + mod) }; ans += mod_s; if (tmp / p == 0) break; tmp /= p; } reverse(ans.begin(), ans.end()); cout << ans << endl; return 0; }
0
#include <algorithm> #include <iostream> #include <vector> using namespace std; struct UnionFind { vector<int> data; int sz; UnionFind(int sz) : data(sz, -1), sz(sz) { } bool unionSet(int x, int y) { if ((x = root(x)) == (y = root(y))) return false; if (data[x] > data[y]) swap(x, y); data[x] += data[y]; data[y] = x; sz--; return true; } bool findSet(int x, int y) { return root(x) == root(y); } int root(int x) { return data[x] < 0 ? x : data[x] = root(data[x]); } int size(int x) { return -data[root(x)]; } int size() { return sz; } }; int main() { int n, m; cin >> n >> m; UnionFind uf(n * 2); for (int i = 0; i < m; i++) { int a, b; cin >> a >> b; a--, b--; uf.unionSet(a, b + n); uf.unionSet(a + n, b); } long long all = 0; if (uf.findSet(0, n)) { all = 1LL * n * (n - 1) / 2; } else { for (int i = 0; i < n; i++) all += uf.findSet(0, i); all *= n - all; } cout << all - m << endl; return 0; }
#include <iostream> #include <vector> #include <map> using namespace std; using P=pair<int,int>; using ll=long long; const int mx=1e5; vector<vector<int>> v(mx); vector<int> c(mx); int n; bool noco=false; void dfs(int from, int to, int color) { if (from == -1) for(int i=0;i<n;i++) c[i]=-1; if (c[to] == 0 || c[to] == 1) { if (c[to] != color) noco=true; return; } else c[to]=color; for(int next:v[to]) { if (from == next) continue; dfs(to, next, color^1); } } int main() { int m; cin>>n>>m; for(int i=0;i<m;i++) { int a,b; cin>>a>>b; a--; b--; v[a].push_back(b); v[b].push_back(a); } dfs(-1,0,0); ll w=0,h=0,used=0; for(int i=0;i<n;i++) { if (c[i] == 0) w++; if (c[i] == 1) h++; } if (noco) { for(int i=0;i<n;i++) { if (c[i] == -1) continue; used+=v[i].size(); } used/=2; cout<<(w+h)*(w+h-1)/2-used<<endl; } else { for(int i=0;i<n;i++) { if (c[i] == -1) continue; for(int x:v[i]) { if (c[i]^1 == c[x]) used++; } } used/=2; cout<<w*h-used<<endl; } }
1
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { double ans = 0; int count = 0; int N; cin >> N; vector<pair<int, int>> points; for(int i=0;i<N;i++){ pair<int, int> p; cin >> p.first; cin >> p.second; points.push_back(p); } sort(points.begin(), points.end()); do{ int sx = points[0].first; int sy = points[0].second; for(int i=1; i<N; i++){ ans += sqrt(pow((sx-points[i].first), 2) + pow((sy-points[i].second), 2)); sx = points[i].first; sy = points[i].second; } count++; }while(next_permutation(points.begin(), points.end())); cout << setprecision(10) << (double)ans/count << endl; return 0; }
#include <iostream> #include <cstring> #include <cstdio> #include <cmath> #define my_abs(x) ((x) < 0 ? -(x) : (x)) using namespace std; typedef long long ll; ll ans, fact[25]; int arr[25]; inline void chk(int len) { ll res = 9 - my_abs(arr[0]); for (int i = 1; i <= len - 1 >> 1; i++) res *= 10 - my_abs(arr[i]); ans += res; } void dfs(int cur, int len, ll rem) { if (cur == len >> 1) { if (!rem) { arr[cur] = 0; chk(len); } return; } ll diff = fact[len - cur - 1] - fact[cur]; ll r = ceil((double)rem / diff), l = floor((double)rem / diff); if (-9 <= r && r <= 9) { arr[cur] = r; dfs(cur + 1, len, rem - diff * r); } if (l != r && -9 <= l && l <= 9) { arr[cur] = l; dfs(cur + 1, len, rem - diff * l); } } int main() { // freopen("ARC075-F.in", "r", stdin); ll d; scanf("%lld", &d); fact[0] = 1; for (int i = 1; i <= 18; i++) fact[i] = fact[i - 1] * 10; for (int cnt = 1; cnt <= 18; cnt++) { memset(arr, 0, sizeof(arr)); dfs(0, cnt, d); } printf("%lld\n", ans); return 0; }
0
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int, int> Pii; typedef pair<int, ll> Pil; typedef pair<ll, ll> Pll; typedef pair<ll, int> Pli; typedef vector < vector<ll> > Mat; #define fi first #define se second const ll MOD = 1e9 + 7; const ll MOD2 = 998244353; const ll MOD3 = 1812447359; const ll INF = 1ll << 62; const double PI = 2 * asin(1); void yes() {printf("yes\n");} void no() {printf("no\n");} void Yes() {printf("Yes\n");} void No() {printf("No\n");} void YES() {printf("YES\n");} void NO() {printf("NO\n");} int H, W; char C[405][405]; bool visited[405][405]; int di[4] = {0, 1, 0, -1}, dj[4] = {1, 0, -1, 0}; ll ans = 0, b = 0, w = 0; int Solve(int i, int j){ b = 0; w = 0; if (C[i][j] == '.') w++; else b++; visited[i][j] = true; queue <Pii> que; que.push({i, j}); while (!que.empty()){ Pii Q = que.front(); que.pop(); for (int k = 0; k < 4; k++){ int I = Q.fi + di[k], J = Q.se + dj[k]; if (0 <= I && I < H && 0 <= J && J < W){ if (visited[I][J]) continue; if (C[I][J] == C[Q.fi][Q.se]) continue; que.push({I, J}); visited[I][J] = true; if (C[I][J] == '.') w++; else b++; } } } ans += b * w; return 0; } int main(){ cin >> H >> W; for (int i = 0; i < H; i++){ for (int j = 0; j < W; j++){ cin >> C[i][j]; } } for (int i = 0; i < H; i++){ for (int j = 0; j < W; j++){ if (!visited[i][j]) Solve(i, j); } } cout << ans << endl; return 0; }
/*The woods are lovely, dark and deep, But I have promises to keep, And miles to go before I sleep, And miles to go before I sleep.*/ //PRABHJOT SINGH A.K.A. PRABHI //~~~~~conquizztador~~~~~ #include<bits/stdc++.h> using namespace std; #define lli long long int #define pb push_back #define fi first #define se second #define MOD 1000000007 const int maxn= 100010; int h,w; string s[440]; bool vis[440][440]={false}; int typ[2]; int dx[4]={1,0,-1,0}; int dy[4]={0,-1,0,1}; void dfs(int i, int j) { vis[i][j]=true; if(s[i][j]=='#') ++typ[0]; else ++typ[1]; for(int k=0;k<4;++k) { int x=i+dx[k]; int y=j+dy[k]; if(x>=0&&x<h&&y>=0&&y<w&&vis[x][y]==false&&s[i][j]!=s[x][y]) dfs(x,y); } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); lli res=0ll; cin>>h>>w; for(int i=0;i<h;++i) cin>>s[i]; for(int i=0;i<h;++i) for(int j=0;j<w;++j) { if(vis[i][j]) continue; if(s[i][j]=='.') continue; typ[0]=0; typ[1]=0; dfs(i,j); res+=1ll*typ[0]*typ[1]; } cout<<res<<endl; }
1
#include<iostream> #include<cstring> using namespace std; int main() { char str[25]; cin>>str; char rev[25]; for(int i=0;i<strlen(str);i++) rev[i]=str[strlen(str)-i-1]; rev[strlen(str)]='\0'; cout<<rev<<endl; }
#include<iostream> #include<sstream> using namespace std; int main(){ string str; cin >> str; std::istringstream stream(str); for(int i=str.length()-1; i>=0; i--){ stream >> str[i]; } cout << str << endl; return 0; }
1
#include <bits/stdc++.h> #define ll long long #define ull unsigned long long #define db double #define ld long double #define pii pair<int,int> #define vvi vector<vector<int> > #define vpi vector<pii> #define F first #define S second #define pb push_back #define INF 0x7fffffff #define LINF 0x7fffffffffffffff #define MOD 1000000007 #define mod 998244353 #define lowbit(x) x&(-x) #define HS 173LL using namespace std; int read() { int x=0; char ch=getchar(); while(!isdigit(ch)) ch=getchar(); while(isdigit(ch)) { x=x*10+ch-'0'; ch=getchar(); } return x; } int h,w; map<int,int> mp; multiset<int> st; int main() { h=read(),w=read(); for(int i=1;i<=w;i++) mp[i]=0; for(int i=1;i<=w;i++) st.insert(0); for(int i=1;i<=h;i++) { int l=read(),r=read(); if(r!=w) { auto it=mp.upper_bound(r+1); if(it!=mp.begin()) { --it; if(it->first!=r+1) { int v=it->second+r+1-it->first; mp[r+1]=v; st.insert(v); } } } auto it=mp.lower_bound(l); while(it!=mp.end()&&it->first<=r) { st.erase(st.find(it->second)); it=mp.erase(it); } if(!st.empty()) cout<<*st.begin()+i<<endl; else cout<<-1<<endl; } return 0; }
#include <bits/stdc++.h> #define INF 1000000000 #define LINF 1000000000000000000 #define MOD 1000000007 #define mod 998244353 #define INF63 1061109567 #define INF127 9187201950435737471 #define UINF 18446744073709551615 #define F first #define S second #define ll long long #define N 200010 using namespace std; ll n,m,a[N],b[N]; struct SegT{ ll l,r,val,pd,pd2; }dp[8*N]; void build_tree(ll l,ll r,ll x) { if(l>r) { return; } dp[x].l=l; dp[x].r=r; dp[x].val=0; dp[x].pd=0; dp[x].pd2=-1; if(l==r) { return; } ll mid=(l+r)>>1,a=x<<1; build_tree(l,mid,a); build_tree(mid+1,r,a|1); return; } void push_down(ll x) { ll a=x<<1; dp[a].val+=dp[x].pd; dp[a|1].val+=dp[x].pd; dp[a].pd+=dp[x].pd; dp[a|1].pd+=dp[x].pd; dp[x].pd=0; return; } void push_down2(ll x) { ll a=x<<1; dp[a].val=dp[x].val; dp[a|1].val=dp[a|1].l-dp[a].l+dp[x].val; dp[a].pd2=dp[x].pd2; dp[a|1].pd2=dp[x].pd2; dp[a].pd=0; dp[a|1].pd=0; dp[x].pd=0; dp[x].pd2=-1; return; } void update(ll l,ll r,ll x) { if(l>r) { return; } ll tl=dp[x].l,tr=dp[x].r; if(tl>r||tr<l) { return; } if(dp[x].pd2!=-1) { push_down2(x); } push_down(x); if(l<=tl&&tr<=r) { dp[x].val++; dp[x].pd++; return; } ll mid=(tl+tr)>>1,a=x<<1; if(mid>=l) { update(l,r,a); } if(mid<r) { update(l,r,a|1); } dp[x].val=min(dp[a].val,dp[a|1].val); return; } ll query(ll l,ll r,ll x) { if(l<0||r<0||l>=m||r>=m) { return LINF; } ll tl=dp[x].l,tr=dp[x].r; if(tl>r||tr<l) { return LINF; } if(dp[x].pd2!=-1) { push_down2(x); } push_down(x); if(l<=tl&&tr<=r) { return dp[x].val; } ll mid=(tl+tr)>>1,a=x<<1,ret=LINF; if(mid>=l) { ret=min(ret,query(l,r,a)); } if(mid<r) { ret=min(ret,query(l,r,a|1)); } dp[x].val=min(dp[a].val,dp[a|1].val); return ret; } void update2(ll l,ll r,ll x,ll val) { if(l>r) { return; } ll tl=dp[x].l,tr=dp[x].r; if(l<=tl&&tr<=r) { dp[x].val=val+tl-l+1; dp[x].pd=0; dp[x].pd2=l; dp[x<<1].pd=0; dp[(x<<1)|1].pd=0; push_down2(x); return; } if(dp[x].pd2!=-1) { push_down2(x); } push_down(x); ll mid=(tl+tr)>>1,a=x<<1; if(mid>=l) { update2(l,r,a,val); } if(mid<r) { update2(l,r,a|1,val); } dp[x].val=min(dp[a].val,dp[a|1].val); return; } int main(){ ll i,j; scanf("%lld%lld",&n,&m); for(i=0;i<n;i++) { scanf("%lld%lld",&a[i],&b[i]); a[i]--; b[i]--; } build_tree(0,m-1,1); for(i=1;i<=n;i++) { update(0,a[i-1]-1,1); update(b[i-1]+1,m-1,1); update2(a[i-1],b[i-1],1,query(a[i-1]-1,a[i-1]-1,1)); // for(j=0;j<m;j++) // { // query(j,j,1); // } j=dp[1].val; if(j<INF) { printf("%lld\n",j); } else { puts("-1"); } } return 0; }
1
#include <iostream> #include <string> using namespace std; int main(void){ string S; cin >> S; if(S.length() % 2 == 0){ for(int i=0;i<S.length();i=i+2){ if(S[i] == 'h' && S[i+1] == 'i'){ continue; } else{ cout << "No" << endl; return 0; } } } else{ cout << "No" << endl; return 0; } cout << "Yes" << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i,N) for(int i = 0; i < (N); i++) #define repo(i,N) for(int i = 1; i < (N); i++) //#define int long long #define pb push_back #define mp make_pair #define fi first #define se second #define all(x) (x).begin(),(x).end() //#define num 1000000007 #define pi acos(-1.0) //cout << fixed << setprecision (10); 小数点以下10桁まで //intの最大値2147483647 ≒ 2×10^9 //long longの最大値9223372036854775807 ≒ 9×10^18 //'大文字'+=32; で小文字に //string s = to_string(int数); //int n = stoi(string文字列); int main() { string a; cin >>a; cout << (a=="hi" || a=="hihi" || a=="hihihi" || a=="hihihihi" || a=="hihihihihi"?"Yes":"No") << endl; }
1
#include <bits/stdc++.h> #define REP(i, n) for (int i = 0; i < (n); i++) using namespace std; int main() { cin.tie(0)->sync_with_stdio(false); int n, k; cin >> n >> k; vector<int> a(n); REP(i, n) cin >> a[i]; sort(a.begin(), a.end()); bool odd, even; odd = even = true; REP(i, n) { if (a[i] % 2) even = false; else odd = false; } bool allSame = true; bool diffFlag = true; int diff = INT_MAX; REP(i, n - 1) { if (abs(a[i] - a[i+1])) diff = min(diff, abs(a[i] - a[i+1])); } REP(i, n - 1) { if (a[i] != a[i+1]) allSame = false; if (abs(a[i] - a[i+1]) % diff) diffFlag = false; } if (k > *max_element(a.begin(), a.end())) { cout << "IMPOSSIBLE" << '\n'; } else if (find(a.begin(), a.end(), k) != a.end()) { cout << "POSSIBLE" << '\n'; } else if (allSame) { cout << ((k == a[0]) ? "POSSIBLE" : "IMPOSSIBLE") << '\n'; } else if (diffFlag) { cout << ((k % diff == 0) ? "POSSIBLE" : "IMPOSSIBLE") << '\n'; } else { if (k % 2) { bool ok = true; if (even) ok = false; if (k == 1 && (even || odd)) ok = false; cout << ((ok) ? "POSSIBLE" : "IMPOSSIBLE") << '\n'; } else { cout << "POSSIBLE" << '\n'; } } return 0; }
# include <iostream> # include <vector> # include <algorithm> using namespace std; # define ll long long int fpb(int a, int b){ return (b == 0 ? a : fpb(b, a%b)); } int main(){ int n, k; cin >> n >> k; int f = 0, largest = 0; for(int i=0; i<n; i++){ int num; cin >> num; largest = max(largest, num); f = fpb(f, num); } if (k <= largest && k % f == 0) cout << "POSSIBLE" << endl; else cout << "IMPOSSIBLE" << endl; return 0; }
1
#include<bits/stdc++.h> using namespace std; int main(){ int sum = 1, a, b, i = 0; cin >> a >> b; while(sum < b){ sum = sum - 1 + a; i++; } cout << i << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int A, B; cin >> A >> B; if ((B-1)%(A-1) == 0){ cout << (B-1)/(A-1) << endl; } else { cout << (B-1)/(A-1) + 1 << endl; } }
1
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll n, q; string s; cin >> n >> s >> q; for (ll i = 0; i < q; i++) { ll k; ll d, m, dm, dmc; d = m = dm = dmc = 0; scanf("%d", &k); for (ll i = 0; i < n; i++) { if (i - k >= 0) { if (s[i - k] == 'D') { d--; dm -= m; } if (s[i - k] == 'M') m--; } if (s[i] == 'D') d++; if (s[i] == 'M') { m++; dm += d; } if (s[i] == 'C') dmc += dm; } cout << dmc << endl; } }
#define _USE_MATH_DEFINES #include <iostream> #include <fstream> #include <sstream> #include <string> #include <cstring> #include <vector> #include <set> #include <map> #include <unordered_map> #include <queue> #include <deque> #include <stack> #include <algorithm> #include <bitset> #include <cmath> #include <cstdlib> #include <ctime> #include <numeric> #include <functional> #include <cctype> #include <list> #include <limits> #include <cassert> #include <random> #include <time.h> #include <unordered_set> //#include <boost/multiprecision/cpp_int.hpp> using namespace std; using Int = long long; //using namespace boost::multiprecision; const double EPS = 1e-10; long long const MOD = 998244353; long long mod_pow(long long x, long long n) { long long res = 1; for (int i = 0;i < 60; i++) { if (n >> i & 1) res = res * x % MOD; x = x * x % MOD; } return res; } template<typename T> T gcd(T a, T b) { return b != 0 ? gcd(b, a % b) : a; } template<typename T> T lcm(T a, T b) { return a * b / gcd(a, b); } void fastInput() { cin.tie(0); ios::sync_with_stdio(false); } const int MAXN = 1100010; long long fact[MAXN], inv[MAXN]; void initComb() { fact[0] = 1; for (int i=1; i<MAXN; i++) { fact[i] = (fact[i-1] * i) % MOD; } inv[MAXN - 1] = mod_pow(fact[MAXN - 1], MOD-2); for (int i=MAXN - 2; i>=0; i--) { inv[i] = (inv[i+1] * (i+1)) % MOD; } } long long comb(int n, int r) { if (n < r) return 0; if (n < 0 || r < 0) return 0; return fact[n] * inv[n-r] % MOD * inv[r] % MOD; } Int imos_D[1000005]; Int imos_C[1000005]; Int imos_M[1000005]; Int dp[1000005][5]; int main(void) { int N; cin >> N; string S; cin >> S; int Q; cin >> Q; for (int i = 0; i < N; i++) { if (S[i] == 'D') imos_D[i+1] = 1; else imos_D[i+1] = 0; imos_D[i+1] += imos_D[i]; if (S[i] == 'C') imos_C[i+1] = 1; else imos_C[i+1] = 0; imos_C[i+1] += imos_C[i]; if (S[i] == 'M') imos_M[i+1] = 1; else imos_M[i+1] = 0; imos_M[i+1] += imos_M[i]; } for (int i = 0; i < Q; i++) { int K; cin >> K; memset(dp, 0, sizeof(dp)); dp[0][0] = 1; for (int j = 0; j < N; j++) { dp[j+1][0] = dp[j][0]; dp[j+1][1] = dp[j][1]; dp[j+1][2] = dp[j][2]; dp[j+1][3] = dp[j][3]; dp[j+1][4] = dp[j][4]; if (S[j] == 'D') { dp[j+1][1] += dp[j][0]; } if (S[j] == 'M') { dp[j+1][2] += dp[j][1]; } if (S[j] == 'C') { dp[j+1][3] += dp[j][2]; } if (S[j] == 'C') { if (j+1-K >= 0) { Int NumOfM = imos_M[j+1] - imos_M[j+1-K]; dp[j+1][4] += dp[j][2] - NumOfM * dp[j+1-K][1] - dp[j+1-K][2]; } else { dp[j+1][4] += dp[j][2]; } } // cout << NumOfM << endl; } Int U = dp[N][3]; cout << dp[N][4] << endl; } }
1
#include <bits/stdc++.h> #define mset(a, b) memset(a, b, sizeof(a)) #define mcpy(a, b) memcpy(a, b, sizeof(a)) #define sor(a, l, r) sort(a + l, a + r + 1); #define reve(a, l, r) reverse(a + l, a + r + 1) using namespace std; typedef long long LL; const int N = 205; const int MAXN = 100005; template <typename T> inline void read(T &AKNOI) { T x = 0, flag = 1; char ch = getchar(); while (!isdigit(ch)) { if (ch == '-') flag = -1; ch = getchar(); } while (isdigit(ch)) { x = x * 10 + ch - '0'; ch = getchar(); } AKNOI = flag * x; } namespace ModCalculator { const int MOD = 1e9 + 7; inline void Inc(int &x, int y) { x += y; if (x >= MOD) x -= MOD; } inline void Dec(int &x, int y) { x -= y; if (x < 0) x += MOD; } inline int Add(int x, int y) { Inc(x, y); return x; } inline int Sub(int x, int y) { Dec(x, y); return x; } inline int Mul(int x, int y) { return 1LL * x * y % MOD; } } using namespace ModCalculator; int n, X, a[N]; int dp[2][MAXN]; void init() { read(n); read(X); for (int i = 1; i <= n; ++i) { read(a[i]); } sor(a, 1, n); } void solve() { int pre = 0, cur = 1; dp[pre][X] = 1; int ans = 0; for (int i = n; i >= 1; --i) { mset(dp[cur], 0); for (int j = 0; j <= X; ++j) { Inc(dp[cur][j], Mul(dp[pre][j], i - 1)); Inc(dp[cur][j % a[i]], dp[pre][j]); } swap(pre, cur); } for (int i = 1; i <= X; ++i) { Inc(ans, Mul(i, dp[pre][i])); } printf("%d\n", ans); } int main() { init(); solve(); return 0; }
#include<bits/stdc++.h> #define mod 1000000007 using namespace std; int n,x,s[205]; int dp[205][100005],tot[100005]; int main(){ scanf("%d %d",&n,&x); for(int i=1;i<=n;i++) scanf("%d",&s[i]); sort(s+1,s+n+1); for(int i=0;i<=x;i++){ int l=1,r=n,p=0; while(l<=r){ int mid=(l+r)/2; if(s[mid]<=i) p=max(p,mid),l=mid+1; else r=mid-1; } tot[i]=p; } dp[0][x]=1; for(int i=1;i<=n;i++){ for(int j=0;j<=x;j++){ if(dp[i-1][j]==0) continue; for(int k=1;k<=tot[j];k++) (dp[i][j%s[k]]+=dp[i-1][j])%=mod; int p=n-tot[j]; if(i<=p) (dp[i][j]+=1ll*(p-i+1)*dp[i-1][j]%mod)%=mod; } } int ans=0; for(int i=0;i<=x;i++) (ans+=1ll*i*dp[n][i]%mod)%=mod; printf("%d\n",ans); return 0; }
1
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math") #include <bits/stdc++.h> using namespace std; template<class t> inline t read(t &x){ char c=getchar();bool f=0;x=0; while(!isdigit(c)) f|=c=='-',c=getchar(); while(isdigit(c)) x=(x<<1)+(x<<3)+(c^48),c=getchar(); if(f) x=-x;return x; } template<class t,class ...A> inline void read(t &x,A &...a){ read(x);read(a...); } template<class t> inline void write(t x){ if(x<0) putchar('-'),write(-x); else{if(x>9) write(x/10);putchar('0'+x%10);} } int ans,x,y; signed main(){ read(x,y); if(x==1) ans+=3e5; if(x==2) ans+=2e5; if(x==3) ans+=1e5; if(y==1) ans+=3e5; if(y==2) ans+=2e5; if(y==3) ans+=1e5; if(x==1&&y==1) ans+=4e5; write(ans); }
#define _CRT_SECURE_NO_WARNINGS #include <cstdio> struct set { int h; int w; int diagonel; } all[22500]; int suffix = 0; void InsSort(int n) { int i, j, temp_dia, temp_h, temp_w; for (i = 1; i < n; i++) { temp_h = all[i].h; temp_w = all[i].w; temp_dia = all[i].diagonel; for (j = i; j > 0; j--) { if (all[j - 1].diagonel > temp_dia) { all[j].h = all[j - 1].h; all[j].w = all[j - 1].w; all[j].diagonel = all[j - 1].diagonel; } else if (all[j - 1].diagonel == temp_dia) { if (all[j - 1].h > temp_h) { all[j].h = all[j - 1].h; all[j].w = all[j - 1].w; all[j].diagonel = all[j - 1].diagonel; } else { break; } } else { break; } } all[j].h = temp_h; all[j].w = temp_w; all[j].diagonel = temp_dia; } } void search() { for (int i = 1; i <= 150; i++) { for (int j = 1; j <= 150; j++) { if (i >= j) { continue; } all[suffix].h = i; all[suffix].w = j; all[suffix].diagonel = (i * i) + (j * j); suffix++; } } } int main() { search(); InsSort(suffix); //FILE *fp; //fp = fopen("C:\\Users\\owata\\Desktop\\answer1.txt", "w"); while (1) { int h, w, my; scanf("%d %d", &h, &w); if (h == 0 && w == 0) { break; } my = (h * h) + (w * w); for (int i = 0; i < suffix; i++) { if (all[i].h == h && all[i].w == w) { continue; } if (all[i].diagonel > my) { printf("%d %d\n", all[i].h, all[i].w); //fprintf(fp, "%d %d\n", all[i].h, all[i].w); break; } else if (all[i].diagonel == my && h < all[i].h) { printf("%d %d\n", all[i].h, all[i].w); //fprintf(fp, "%d %d\n", all[i].h, all[i].w); break; } } } //fclose(fp); return 0; }
0
#include<bits/stdc++.h> #include<string> #include<vector> using namespace std; typedef pair<int, int>P; typedef long long ll; #define rep(i,n)for(ll i=0;i<n;++i) #define exrep(i, a, b) for(ll i = a; i <= b; i++) #define out(x) cout << x << endl #define exout(x) printf("%.10f\n", x) #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) #define all(a) a.begin(), a.end() #define rall(a) a.rbegin(), a.rend() #define pb push_back #define re0 return 0 const ll MOD = 1000000007; const ll INF = 1e16; const ll MAX_N = 5000100; //max=({}); //条件式が真ならwhileの中身を回し続ける //printf("%d\n", ans); //pairの入力 //vector<pair<ll, ll>>work(n); //rep(i, n) { // ll a, b; // cin >> a >> b; // work[i] = make_pair(a, b); //for(auto p:mp)(mapの探索) //printf("%.10f\n",なんちゃら) //最大公約数 ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : x; } ll lcm(ll x, ll y) { if (x == 0 || y == 0)return 0; return (x / gcd(x, y) * y); } //組み合わせの余りを求める ll fac[MAX_N], finv[MAX_N], inv[MAX_N]; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX_N; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(ll n, ll k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } ll dx[8] = { 0,0,-1,1 }; ll dy[8] = { -1,1,0,0 }; ll dp[101010]; //union-find木について ll par[101010]; ll rank2[101010]; void init(ll n) { rep(i, n) { par[i] = i; rank2[i] = 0; } } ll find(ll x) { if (par[x] == x) { return x; } else { return par[x] = find(par[x]); } } void unite(ll x, ll y) { x = find(x); y = find(y); if (x == y)return; if (rank2[x] < rank2[y]) { par[x] = y; } else { par[y] = x; if (rank2[x] == rank2[y]) { rank2[x]++; } } } 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; } bool graph[101][101]; bool visit[101010]; vector<ll> to[101010]; vector<ll>ball(101010, 1); vector<bool>flag(101010); //long longしか使わない //素数は1より大きい int main() { ll x, y; cin >> x >> y; ll ans = 0; if (y >= x) { if (x >= 0) { ans = y - x; } else if (y <= 0) { ans = y - x; } else { ll min2 = min(abs(x), abs(y)); ll max2 = max(abs(x), abs(y)); ans = max2 - min2 + 1; } } else { if (y >= 0) { ans = x - y + 2; if (y == 0) { ans = abs(x) + 1; } } else if (x <= 0) { ans = x - y + 2; if (x == 0) { ans = abs(y) + 1; } } else { ll min2 = min(abs(x), abs(y)); ll max2 = max(abs(x), abs(y)); ans = max2 - min2 + 1; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; //conversion //------------------------------------------ inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;} template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();} //math //------------------------------------------- template<class T> inline T sqr(T x) {return x*x;} //typedef //------------------------------------------ typedef pair<int, int> PII; typedef pair<long, long> PLL; typedef long long LL; //container util //------------------------------------------ #define ALL(a) (a).begin(),(a).end() #define RALL(a) (a).rbegin(), (a).rend() #define PB push_back #define MP make_pair #define SZ(a) int((a).size()) #define SORT(c) sort((c).begin(),(c).end()) //repetition //------------------------------------------ #define FOR(i,a,b) for(LL i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) //constant //-------------------------------------------- const double EPS = 1e-6; const double PI = acos(-1.0); const long INF=pow(2,31)-1; //clear memory #define CLR(a) memset((a), 0 ,sizeof(a)) const long MOD=1e9+7; const int MAX_N=1004; int dp[MAX_N][MAX_N]; int main(){ string S1,S2; cin>>S1>>S2; CLR(dp); FOR(i,1,MAX_N){ dp[0][i]=dp[i][0]=i; } REP(i,SZ(S1)){ REP(j,SZ(S2)){ int cost=(S1[i]==S2[j])?0:1; dp[i+1][j+1]=min(min(dp[i][j+1]+1,dp[i+1][j]+1),dp[i][j]+cost); } } cout<<dp[SZ(S1)][SZ(S2)]<<endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; int main(){ string s; cin >> s; int n=s.size(); bool judge=true; if(n%2!=0){ judge=false; } for(int i=0;i<n;i+=2){ if(judge==false){ break; } if(s.at(i)!='h'||s.at(i+1)!='i'){ judge=false; } } if(judge){ cout << "Yes" << endl; } else{ cout << "No" << endl; } }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) typedef long long ll; const double pi=3.14159265358979323846; int ctoi(const char c) { if ('0' <= c && c <= '9') return (c - '0'); return -1; } vector<int> input(int n) { vector<int> vec(n); for (int i = 0; i < n; i++) { cin >> vec.at(i); } return vec; } void output(vector<int> vec) { for (int i = 0; i < vec.size(); i++) { cout << vec[i] << " "; } return; } vector<vector<int>> input(int n, int m) { vector<vector<int>> table(n, vector<int>(m)); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> table. at(i).at(j); } } return table; } void output(vector<vector<int>> table) { for (int i = 0; i < table.size(); i++) { for (int j = 0; j < table.at(0).size(); j++) { cout << table.at(i).at(j) << " "; } cout << endl; } } long long perm(int n, int r) { if (n < r) { cout << "error" << endl; return 0; } long long perm = 1; for (int i = n; i > n - r; i--) { perm *= i; } return perm; } long long comb(int n, int r) { if (n < r) { cout << "error" << endl; return 0; } long long comb = perm(n,r); for (int i = r; i > 0; i--) { comb /= i; } return comb; } long long homo(int n, int r) { return comb(n + r - 1, n - 1); } long long fact(int n) { long long fact = 1; for (int i = n; i > 0; i--) { fact *= i; } return fact; } int gcd(int a, int b){ if (a % b == 0){ return(b); }else{ return(gcd(b, a % b)); } } int lcm(int a, int b) { return a * b / gcd(a, b); } bool isprime(int n){ if (n < 2) return false; else if (n == 2) return true; else if (n % 2 == 0) return false; for (int i = 3; i <= sqrt(n); i += 2){ if (n % i == 0){ return false; } } return true; } void Yes(bool f) { if (f) { cout << "Yes" << endl; } else { cout << "No" << endl; } } void YES(bool f) { if (f) { cout << "YES" << endl; } else { cout << "NO" << endl; } } int main() { string s; cin >> s; Yes(s=="hi"||s=="hihi"||s=="hihihi"||s=="hihihihi"||s=="hihihihihi"); }
1
#include <iostream> #include <vector> using namespace std; struct edge { int to, d; }; vector<vector<edge>> g; int b[100000]; int n, u, v; int dfs(int v, int parent) { int res = 0; for (edge &ne : g[v]) { if (ne.to == parent) continue; ne.d = 1; int now = dfs(ne.to, v) + 1; res = max(res, now); } b[v] = res; return res; } int main() { cin >> n >> u >> v; u--; v--; g.assign(n, vector<edge>()); for (int i = 0; i < n-1; i++) { int a, b; cin >> a >> b; a--; b--; g[a].push_back({b, 0}); g[b].push_back({a, 0}); } dfs(v, -1); int dist = 0; for (int i = u; i != v; ) { for (edge e : g[i]) { if (e.d == 0) {i = e.to; break;} } dist++; } int ans = 0; while (dist > 2) { for (edge e : g[u]) { if (e.d == 0) {u = e.to; break;} } dist -= 2; ans++; } ans += dist + b[u] - 1; cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; int MOD = 1000000007; struct edge {int to, cost; }; typedef pair<int, int> P; int V; vector <edge> G[100010]; int d[100010]; void dijkstrra(int s){ priority_queue <P, vector<P>, greater<P> > que; fill(d, d + V, 1000000000); d[s] = 0; que.push(P(0 , s)); while(!que.empty()){ P p = que.top(); que.pop(); int v = p.second; if(d[v] < p.first) continue; for(int i = 0; i < G[v].size(); i++){ edge e = G[v][i]; if(d[e.to] > d[v] + e.cost){ d[e.to] = d[v] + e.cost; que.push(P(d[e.to], e.to)); } } } } int main(){ cin >> V; int e, r; cin >> e >> r; for(int i = 0; i < e; i++){ int s, t, d; cin >> s >> t >> d; G[s].push_back({t, d}); } dijkstrra(r); for(int i = 0; i < V; i++){ if(d[i] == 1000000000) cout << "INF" << endl; else cout << d[i] << endl; } return 0; }
0
#include <cstdio> #include <algorithm> #define mod 998244353 #define maxn 200010 #define LL long long using namespace std; LL fact[maxn],inv[maxn],ans,t[maxn],p; int n,m,k,nm; LL quick_pow(LL a,LL b){//a^b LL ans=1; while(b){ if(b&1)ans=ans*a%mod; a=a*a%mod; b>>=1; } return ans%mod; } void init(){ int i; scanf("%d%d%d",&n,&m,&k); nm=n,nm=max(nm,m),fact[0]=1; for(i=1;i<=nm;i++)fact[i]=fact[i-1]*i%mod;//fact[i]代表i! inv[nm]=quick_pow(fact[nm],mod-2); for(i=nm-1;i>=0;i--)inv[i]=inv[i+1]*(i+1)%mod;//inv[i]代表i!的乘法逆元 } LL C(LL a,LL b){//组合数计算 return fact[a]*inv[a-b]%mod*inv[b]%mod; } int main(){ int i; init(); ans=0,p=quick_pow(m-1,n-k-1); for(i=n-k;i<=n;i++){ ans=(ans+m*p%mod*C(n-1,i-1)%mod)%mod;//C(n-1,i-1)隔板法 p=p*(m-1)%mod; } printf("%lld\n",ans); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int, int>; #define ff first #define ss second #define pb push_back #define sz size() #define mp make_pair #ifndef ONLINE_JUDGE #include "/home/asif/Codes/Library/debug.h" #endif /*--------------------------------------------------------------------*/ const int N = 2e5 + 5; const int MOD = 998244353; namespace nCr { ll factorial[N], invFactorial[N]; ll ncr(ll n, ll r){ return (( (factorial[n] * invFactorial[r]) % MOD) * invFactorial[n - r]) % MOD; } void init(){ invFactorial[1] = 1; for(int i = 2;i < N;i++)invFactorial[i] = MOD - (MOD / i) * invFactorial[MOD % i] % MOD; factorial[0] = factorial[1] = invFactorial[0] = 1; for(int i = 2; i < N; i++){ factorial[i] = (factorial[i - 1] * i) % MOD; invFactorial[i] = (invFactorial[i - 1] * invFactorial[i]) % MOD; } } } ll bigmod(ll a, ll p){ if(p == 0) return 1LL; ll ret = bigmod(a, p / 2); ret *= ret; ret %= MOD; if(p & 1) ret = (ret * a) % MOD; return ret; } int main() { ll n, m, k; cin >> n >> m >> k; nCr::init(); ll ans = 0LL; for(int i = 0; i <= k; i++){ ans += (((nCr::ncr(n - 1, i) * bigmod(m - 1, n - i - 1)) % MOD) * m) % MOD; ans %= MOD; } cout << ans << endl; return 0; }
1
#include <iostream> #include <algorithm> #include <map> #include <queue> #include <set> #include <stack> #include <string> #include <string.h> #include <vector> #include <queue> #include <cmath> #include <bitset> #include <complex> #include <functional> #include <numeric> #include <iomanip> #define SPBR(w, n) std::cout<<(w + 1 == n ? '\n' : ' '); #define YES cout << "YES" << endl #define Yes cout << "Yes" << endl #define NO cout << "NO" << endl #define No cout << "No" << endl #define ALL(i) (i).begin(), (i).end() #define FOR(i, a, n) for(int i=(a);i<(n);++i) #define RFOR(i, a, n) for(int i=(n)-1;i>=(a);--i) #define REP(i, n) for(int i=0;i<int(n);++i) #define RREP(i, n) for(int i=int(n)-1;i>=0;--i) #define IN(a, x, b) (a<=x && x<b) #define OUT(a, x, b) (x<a || b<=x) 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 int ll using ll = long long; using ull = unsigned long long; using ld = long double; const int MOD = 1000000007; /* const int MOD = 998244353; */ const int INF = 1e18; const double PI = acos(-1); using namespace std; struct INIT { INIT(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(10); }}INIT; signed main() { int N; cin >> N; int keta = 0; int sum = 0; REP(i, N){ int a, b; cin >> a >> b; keta += b; sum += a*b; } cout << (keta-1)+(sum-1)/9 << "\n"; return 0; }
#pragma region Macros #include <bits/stdc++.h> using namespace std; using ll = long long; #define REP2(i, n) for (int i = 0, i##_len = (int)(n); i < i##_len; ++i) #define REP3(i, l, r) for (int i = (l), i##_len = (int)(r); i < i##_len; ++i) #define GET_MACRO_REP(_1, _2, _3, NAME, ...) NAME #define REP(...) GET_MACRO_REP(__VA_ARGS__, REP3, REP2) (__VA_ARGS__) #define RREP2(i, n) for (int i = (n - 1); i >= 0; --i) #define RREP3(i, l, r) for (int i = (r - 1), i##_len = (l); i >= i##_len; --i) #define GET_MACRO_RREP(_1, _2, _3, NAME, ...) NAME #define RREP(...) GET_MACRO_REP(__VA_ARGS__, RREP3, RREP2) (__VA_ARGS__) #define IN(type, n) type n; cin >> n #define INALL(type, v) REP(i, v.size()) { IN(type, _tmp); v.at(i) = _tmp; } #define ALL(x) (x).begin(), (x).end() #define SZ(x) ((int)(x).size()) #ifdef _DEBUG #define DEBUG(x) cout << #x << ": " << x << endl #else #define DEBUG(x) #endif 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; } #pragma endregion int main() { IN(int, N); vector<ll> x(N); vector<ll> y(N); REP(i, N) { IN(ll, tmp_x); x.at(i) = tmp_x; IN(ll, tmp_y); y.at(i) = tmp_y; } cout << std::fixed << std::setprecision(6); vector<vector<long double> > dist(N, vector<long double>(N, 0)); REP(i, N - 1) { REP(j, i + 1, N) { dist.at(i).at(j) = sqrtl((long double)(pow(x.at(i) - x.at(j), 2) + pow(y.at(i) - y.at(j), 2))); dist.at(j).at(i) = dist.at(i).at(j); } } vector<int> num; REP(i, 0, N) { num.push_back(i); } long double sum = 0; do { REP(i, N - 1) { sum += dist.at(num.at(i)).at(num.at(i + 1)); } } while (next_permutation(ALL(num))); ll factorial = 1; REP(i, 1, N + 1) { factorial *= i; } long double ans = sum / (long double)factorial; cout << ans << endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for (int i = (a); i < (b); i++) #define RFOR(i,b,a) for (int i = (b) - 1; i >= (a); i--) #define ITER(it,a) for (__typeof(a.begin()) it = a.begin(); it != a.end(); it++) #define FILL(a,value) memset(a, value, sizeof(a)) #define SZ(a) (int)a.size() #define ALL(a) a.begin(), a.end() #define PB push_back #define MP make_pair typedef long long LL; typedef vector<int> VI; typedef pair<int, int> PII; const double PI = acos(-1.0); const int INF = 1000 * 1000 * 1000 + 7; const LL LINF = INF * (LL) INF; const int MAX = 1001000; char S[MAX]; char T[MAX]; int A[MAX]; int main() { //freopen("in.txt", "r", stdin); //ios::sync_with_stdio(false); cin.tie(0); int n; scanf("%d", &n); scanf("%s", S); scanf("%s", T); if ((string)(S) ==(string(T))) { cout<<0<<endl; return 0; } FILL(A, -1); int ind = n-1; RFOR(i, n, 0) { while (ind > i) ind--; while(ind >= 0 && S[ind] != T[i]) { ind--; } if (ind == -1) { cout<<-1<<endl; return 0; } if (A[ind] == -1) A[ind] = i; } vector<PII> a; FOR (i, 0, n) { if (A[i] != -1) a.PB(MP(i, A[i])); } /*FOR (i, 0, SZ(a)) { cout<<a[i].first<<' '<<a[i].second<<endl; } cout<<endl;*/ int res = 0; ind = 0; int ind2 = 0; FOR (i, 0, SZ(a)) { while(true) { if (ind2 == SZ(a)) break; if (a[ind2].first <= a[i].second) { ind2++; continue; } break; } while(true) { if (ind == SZ(a)) break; if (a[ind].first - (ind - i - 1) <= a[i].second) { ind++; continue; } break; } res = max(res, ind - i); } cout<<res<<endl; }
#include <stdio.h> #include <stdlib.h> #include <string.h> #include <memory.h> #include <math.h> #include <assert.h> #include <queue> #include <map> #include <set> #include <string> #include <algorithm> #include <iostream> #include <functional> using namespace std; typedef long long ll; typedef pair<int,int> Pi; #define Fi first #define Se second #define pb(x) push_back(x) #define sz(x) (int)x.size() #define rep(i, n) for(int i=0;i<n;i++) #define all(x) x.begin(), x.end() char S[1000010], T[1000010]; int N; void solve(){ scanf("%d%s%s", &N, S+1, T+1); if(!strcmp(S+1, T+1)){ printf("0"); return; } int que[1000010], *fr = que, *re = que, ans = 0; for(int i=N, j=N;i>=1;i--)if(T[i] != T[i-1]){ j = min(i, j); while(j > 0 && S[j] != T[i])--j; if(j == 0){ printf("-1"); return; } while(re < fr && *re - (fr-re) >= i)re++; if(i != j){ *fr++ = j; ans = max(ans, (int)(fr - re)); } } printf("%d", ans + 1); } int main(){ int Tc = 1; //scanf("%d\n", &Tc); for(int tc=1;tc<=Tc;tc++){ solve(); } return 0; }
1
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> P; typedef pair<ll, P> PP; static const double EPS = 1e-8; static const double PI = 4.0 * atan(1.0); static const ll INF = 1023456789; #define REP(i,n) for(int i=0;i<n;++i) #define REPR(i,n) for(int i=n-1;i>=0;--i) #define FOR(i,s,n) for(int i=s;i<n;++i) #define FORR(i,s,n) for(int i=n-1;i>=s;--i) #define ALL(c) (c).begin(),(c).end() #define CLEAR(v) memset(v,0,sizeof(v)) #define MP(a,b) make_pair((a),(b)) #define ABS(a) ((a)>0?(a):-(a)) #define F first #define S second int main(int argc, char **argv) { string s; cin >> s; bool f = true; f &= (s[0] == 'A'); ll c = 0; REP(i, s.length()) if (s[i] >= 'a' && s[i] <= 'z') ++c; f &= (c == s.length() - 2); if (f) FOR(i, 2, s.length()-1) if (s[i] == 'C') { cout << "AC" << endl; return 0; } cout << "WA" << endl; return 0; }
#include <iostream> #include <string> using namespace std; void solve(const string& s) { for (int i = 0, j = 1; j < s.size(); ++i, ++j) { if (s[i] == s[j]) { cout << (i + 1) << " " << (j + 1) << "\n"; return; } } for (int i = 0, j = 2; j < s.size(); ++i, ++j) { if (s[i] == s[j]) { cout << (i + 1) << " " << (j + 1) << "\n"; return; } } cout << "-1 -1\n"; } int main() { string s; cin >> s; solve(s); return 0; }
0
#include<iostream> using namespace std; const int MAXN = 1005, INF = 2e9; int d[MAXN][MAXN]; int main() { int n, m; cin >> n >> m; for(int i = 0; i < n; i++) for(int j = 0; j < n; j++) d[i][j] = INF; for(int i = 0; i < n; i++) d[i][i] = 0; for(int i = 0; i < m; i++) { int x, y, w; cin >> x >> y >> w; d[x][y] = w; } for(int k = 0; k < n; k++) for(int i = 0; i < n; i++) for(int j = 0; j < n; j++) if(d[i][k] < INF && d[k][j] < INF) d[i][j] = min(1ll * d[i][j], 1ll * d[i][k] + d[k][j]); for(int i = 0; i < n; i++) if(d[i][i] < 0) { cout << "NEGATIVE CYCLE" << endl; return 0; } for(int i = 0; i < n; i++, cout << endl) for(int j = 0; j < n; j++) { if(d[i][j] == INF) cout << "INF"; else cout << d[i][j]; if(j < n - 1) cout << ' '; } return 0; }
#include <bits/stdc++.h> #define debug(...) fprintf(stderr, __VA_ARGS__) using namespace std; const int N = 605; inline int input() { int x; char ch; while (!isdigit(ch = getchar())); for (x = ch ^ 48; isdigit(ch = getchar()); x = x * 10 + (ch ^ 48)); return x; } inline void chkmin(int &x, int y) { x = x < y ? x : y; } template <class T> T sqr(T x) { return x * x; } int n, m, D1, D2; int ansx[N * N], ansy[N * N], tot; bool col[N][N]; void work(int D) { int tmp = 0; while(D % 4 == 0) D >>= 2, ++tmp; if (D % 4 == 3) return void(); if (D % 4 == 1) { for (int x = 0; x <= n; ++x) for (int y = 0; y <= n; ++y) if (((x >> tmp) + (y >> tmp)) & 1) col[x][y] = true; } if (D % 4 == 2) { for (int x = 0; x <= n; ++x) for (int y = 0; y <= n; ++y) if ((x >> tmp) & 1) col[x][y] = true; } } int main() { #ifdef local freopen("in", "r", stdin); freopen("out", "w", stdout); // freopen("log", "w", stderr); #endif ios::sync_with_stdio(false); cin >> n >> D1 >> D2; m = n, n = n * 2 - 1; work(D1), work(D2); for (int x = 0; x <= n; ++x) for (int y = 0; y <= n; ++y) { if (!col[x][y]) ansx[++tot] = x, ansy[tot] = y; if (tot == m * m) goto Get; } Get:; for (int i = 1; i <= tot; ++i) printf("%d %d\n", ansx[i], ansy[i]); return 0; }
0
#include<bits/stdc++.h> #define ll long long const ll mod=1e9+7; using namespace std; ll d[45][1<<17]; ll n,x,y,z; int main() { scanf("%lld%lld%lld%lld",&n,&x,&y,&z); ll ans=1; for(ll i=1;i<=n;i++) { ans=1ll*ans*10; ans%=mod; } ll s=(1<<x+y+z)-1; ll u=(1<<x-1)|(1<<x+y-1)|(1<<x+y+z-1); d[0][0]=1; for(ll i=1;i<=n;i++) { for(ll j=0;j<=s;j++) { for(ll k=1;k<=10;k++) { ll t=(j<<k)|(1<<k-1); t&=s; if((t&u)!=u) { d[i][t]=(d[i][t]+d[i-1][j])%mod; } } } } for(ll i=0;i<=s;i++) { ans=(ans-d[n][i]+mod)%mod; } cout<<ans%mod<<endl; }
#include <bits/stdc++.h> using namespace std; #include <math.h> #include <iomanip> template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } const int mod=1e9+7; const int INF=1001001001; int dp[105][10]; int main() { int H,W,K; cin>>H>>W>>K; dp[0][0]=1; for(int i=0;i<H;i++){ for(int j=0;j<W;j++){ if(dp[i][j]==0){continue;} for(int s=0;s<(1<<W-1);s++){ vector<int>t(W-1); for(int k=0;k<W-1;k++){ if((s>>k)&1){t[k]=1;} } bool ok=true; for(int k=0;k<W-2;k++){ if(t[k]==1&&t[k+1]==1){ok=false;} } if(ok){ if(j<W-1&&t[j]){(dp[i+1][j+1]+=dp[i][j])%=mod;} else if(j>0&&t[j-1]){(dp[i+1][j-1]+=dp[i][j])%=mod;} else{(dp[i+1][j]+=dp[i][j])%=mod;} } } } } cout<<dp[H][K-1]<<endl; return 0; }
0
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0;i<(n);++i) #define FOR(i,n,j) for(int i=(j);i<(n);++i) #define ssort(n) sort((n).begin(),(n).end()) #define rsort(n) sort((n).begin(),(n).end(),greater<int>()) using ll=long long; using ld=long double; typedef pair<int,int> P; typedef pair<P,int> COST; #define repl(i,n) for(ll i=0;i<(n);++i) #define Yes cout << "Yes" << endl #define No cout << "No" << endl #define YES cout << "YES" << endl #define NO cout << "NO" << endl using Graf=vector<vector<int>>; #define MAX 10000000 int main() { string s; cin >> s; if(s=="SUN"){ cout << 7 << endl; } else if(s=="MON"){ cout << 6 << endl; } else if(s=="TUE"){ cout << 5 << endl; } else if(s=="WED"){ cout << 4 << endl; } else if(s=="THU"){ cout << 3 << endl; } else if(s=="FRI"){ cout << 2 << endl; } else if(s=="SAT"){ cout << 1 << endl; } }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; int main() { int A, B, C, D; cin >> A >> B >> C >> D; if ((A + B) > (C + D)) { cout << "Left" <<endl; } if ((A + B) == (C + D)) { cout << "Balanced" <<endl; } if ((A + B) < (C + D)) { cout << "Right" <<endl; } }
0
#include <bits/stdc++.h> using namespace std; #define pb push_back #define pii pair<int,int> #define pll pair<ll, ll> #define pil pair<int,ll> #define pli pair<ll,int> #define ppi pair<pii,int> #define pip pair<int,pii> #define pdd pair<double, double> #define f first #define s second #define MOD 1000000007 #define mkp make_pair #define M_PI 3.14159265358979323846 #define FOR(i,l,r) for (int i=l;i<=r;i++) #define LOR(i,l,r) for (ll i=l;i<=r;i++) #define FORD(i,r,l) for (int i=r;i>=l;i--) #define LORD(i,r,l) for (ll i=r;i>=l;i--) #define INF 1000000000 #define CL(x) memset(x,0,sizeof(x)) #define DEB(x) cout << #x << " : " << x << '\n' #define ALL(x) x.begin(), x.end() #define SZ(x) x.size() #define UI(x) (int)(x-'A') #define LI(x) (int)(x-'a') typedef long long ll; #define MXN 500005 int N,A[MXN]; map<pii,ll> DP; //for x|x specially ll psum[MXN]; map<int,ll> lsta; map<int,int> lstp; //=== ll Ans; int xb; ll modexp(ll x, ll y) { ll Pow = x%MOD, rtn = 1; while(y) { if(y&1)rtn=(rtn*Pow)%MOD; y>>=1; Pow=(Pow*Pow)%MOD; } return rtn; } int main() { ios::sync_with_stdio(false); cin.tie(0); cin>>N; FOR(i,1,N) { cin>>A[i]; xb^=A[i]; } int xf=0; Ans=1; FOR(i,1,N-1) { xf^=A[i]; xb^=A[i]; //0|0 case psum[i]=psum[i-1]+( xf==0 && xb==0 ); ll za[4]; za[1]=DP[mkp(xb?xb:xf,1)]; za[2]=DP[mkp(xb?xb:xf,2)]; za[3]=DP[mkp(xb,3)]; //(even x)|x case if( xf==0 && xb!=0 ) { Ans=(Ans+za[2])%MOD; DP[mkp(xb,1)]=(za[1]+za[2])%MOD; } //(odd x)|0 case if( xf!=0 && xb==0 ) { DP[mkp(xf,2)]=(za[1]+za[2]+1)%MOD; } //(odd x)|x case if( xf==xb && xf ) { if( lstp.find(xf)!=lstp.end() ) { int lp = lstp[xf]; ll la = lsta[xf]; ll na = (la+za[3]*(psum[i-1]-psum[lp]))%MOD; Ans=(Ans+na)%MOD; lsta[xf]=na; DP[mkp(xf,3)]=(za[3]+na)%MOD; } else { DP[mkp(xf,3)]=lsta[xf]=1; Ans=(Ans+1)%MOD; } lstp[xf]=i; } } if(psum[N-1]) { ll Zans=modexp(2,psum[N-1]); Ans=(Ans+Zans-1)%MOD; } cout<<Ans<<'\n'; return 0; } /* 3 1 2 3 5 0 0 0 0 0 */
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;i++) #define FOR(i,start,end) for(int i=start;i<=end;i++) const int INF = 1001001001; #define all(a) a.begin(), a.end() #define rall(a) a.rbegin(), a.rend() #define Sort(a) sort(a.begin(), a.end()) #define Rort(a) sort(a.rbegin(), a.rend()) typedef long long ll; const ll MOD=998244353; 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; } template<class T>auto MAX(const T& a) { return *max_element(a.begin(),a.end()); } template<class T>auto MIN(const T& a) { return *min_element(a.begin(),a.end()); } template<class T, class U>U SUM(const T& a, const U& v) { return accumulate(a.begin(),a.end(), v); } template<class T, class U>U COUNT(const T& a, const U& v) { return count(a.begin(),a.end(), v); } template<class T, class U>int LOWER(const T& a, const U& v) { return lower_bound(a.begin(),a.end(), v) - a.begin(); } template<class T, class U>int UPPER(const T& a, const U& v) { return upper_bound(a.begin(),a.end(), v) - a.begin(); } int GCD(int a, int b) { return b ? GCD(b, a%b) : a; } int LCM(int a, int b) { int g = GCD(a, b); return a / g * b; } //--------------------------------------------------------------------------------------------------- int main(void){ // Your code here! vector<int> d; int n;cin >> n; d.resize(n); vector<int> v(n,0); rep(i,n) { cin >> d[i]; v[d[i]]++; } if (d[0] != 0) { cout << 0 << endl; return 0; } rep(i,n) { if(i != 0 && d[i] ==0) { cout << 0 << endl; return 0; } } ll ans = 1; int ma = 0; rep(i,n) chmax(ma,d[i]); FOR(i,2,ma) { ll ex = v[i-1]; rep(j,v[i]) { ans *= ex; ans %= MOD; } } cout << ans << endl; }
0
#include <bits/stdc++.h> using namespace std; using ll = long long; using vec = vector<ll>; using mat = vector<vec>; using pll = pair<ll,ll>; #define INF (1LL << 60) #define MOD 1000000007 #define PI 3.14159265358979323846 #define REP(i,m,n) for(ll (i)=(m),(i_len)=(n);(i)<(i_len);++(i)) #define FORR(i,v) for(auto (i):v) #define ALL(x) (x).begin(), (x).end() #define PR(x) cout << (x) << endl #define PS(x) cout << (x) << " " #define SZ(x) ((ll)(x).size()) #define MAX(a,b) (((a)>(b))?(a):(b)) #define MIN(a,b) (((a)<(b))?(a):(b)) #define REV(x) reverse(ALL((x))) #define ASC(x) sort(ALL((x))) #define DESC(x) ASC((x)); REV((x)) #define pb push_back #define eb emplace_back int main() { ll N, M; cin >> N >> M; vec s(M), c(M); REP(i,0,M) { cin >> s[i] >> c[i]; --s[i]; } ll d = 1; bool f = true; REP(i,0,N) d *= 10; REP(i,N==1?0:d/10,d) { string S = to_string(i); f = true; REP(j,0,M) { if(!(s[j] < SZ(S) && S[s[j]]-'0' == c[j])) { f = false; break; } } if(f) { PR(i); break; } } if(!f) PR(-1); return 0; } /* */
#include <bits/stdc++.h> using namespace std; #define int long long #define ii pair<int,int> #define fi first #define sc second #define all(x) (x).begin(),(x).end() void solve() { int n, m; cin >> n >> m; vector<char> res(n, 0); for (int i = 1; i <= m; i++) { int s; char c; cin >> s >> c; s--; if (res[s] == 0) res[s] = c; else if (res[s] != c) { cout << -1 << '\n'; return; } } if (n > 1) { if (res[0] == '0') { cout << -1 << '\n'; return; } if (res[0] == 0) { res[0] = '1'; } } for (auto &i : res) { if (i == 0) cout << '0'; else cout << i; } cout << '\n'; } signed main() { #ifdef _DEBUG // freopen("in" , "r", stdin ); // freopen("out", "w", stdout); #endif ios::sync_with_stdio(0); cin.tie(0); int T = 1; // cin >> T; while (T--) solve(); }
1
#include <stdio.h> int main(){ int m,a,b,x,y,r,g,i; for(;scanf("%d%d%d%d",&m,&a,&b,&x)>3;){ for(g=0,i=1;i<m;i++){ scanf("%d",&y); if(a<=i&&i<=b && x-y>=g)g=x-y,r=i; x=y; } printf("%d\n",r); } return 0; }
#include <iostream> #include <vector> #include <cmath> using namespace std; int main() { int m, nmin, nmax; while (cin >> m >> nmin >> nmax) { if (m == 0 && nmin == 0 && nmax == 0) { break; } vector<int> d(m); for (int i = 0; i < m; i++) { cin >> d[i]; } int MAX = d[nmin-1]-d[nmin]; int maxn = nmin; for (int i = nmin-1; i <= nmax-1; i++) { int mm = d[i]-d[i+1]; if (mm >= MAX) { MAX = mm; maxn = i+1; } //cout << MAX << ' ' << maxn << endl; } cout << maxn << endl; } return 0; }
1
#include <bits/stdc++.h> using namespace std; template<typename T> struct Segtree { int n; T e; vector<T> dat; typedef function<T(T a, T b)> Func; Func f; Segtree(){} Segtree(int n_input, Func f_input, T e_input){ initialize(n_input, f_input, e_input); } void initialize(int n_input, Func f_input, T e_input){ f = f_input; e = e_input; n = 1; while(n < n_input) n <<= 1; dat.resize(2*n-1, e); } void update(int k, T a){ k += n - 1; dat[k] = a; while(k > 0){ k = (k - 1)/2; dat[k] = f(dat[2*k+1], dat[2*k+2]); } } T get(int k){ return dat[k+n-1]; } T between(int a, int b){ return query(a, b+1, 0, 0, n); } T query(int a, int b, int k, int l, int r){ if(r<=a || b<=l) return e; if(a<=l && r<=b) return dat[k]; T vl = query(a, b, 2*k+1, l, (l+r)/2); T vr = query(a, b, 2*k+2, (l+r)/2, r); return f(vl, vr); } }; #include <bits/stdc++.h> using namespace std; struct UnionFind { vector<int> par; vector<int> sz; UnionFind(int n=0){ if(n>0) initialize(n); } void initialize(int n){ par.resize(n); sz.resize(n); for(int i=0; i<n; i++){ par[i] = i; sz[i] = 1; } } int find(int x){ if(par[x] == x){ return x; }else{ return par[x] = find(par[x]); } } void unite(int x, int y){ x = find(x); y = find(y); if(x == y) return; if(sz[x] < sz[y]){ par[x] = y; sz[y] += sz[x]; }else{ par[y] = x; sz[x] += sz[y]; } } bool same(int x, int y){ return find(x) == find(y); } }; int main(){ int N; int64_t D, A[200000]; cin >> N >> D; for(int i=0; i<N; i++) cin >> A[i]; typedef pair<int64_t, int> P; const int64_t INF = 1e18; const P INFP = {INF, 0}; Segtree<P> stL(N, [](P a, P b){ return min(a, b);}, INFP); Segtree<P> stR(N, [](P a, P b){ return min(a, b);}, INFP); vector<int> order; for(int i=0; i<N; i++) order.push_back(i); sort(order.begin(), order.end(), [&](int i, int j){ return A[i] < A[j];}); vector<vector<int64_t>> edges; for(int i : order){ auto p = stL.between(0, i); if(p != INFP){ int64_t cost = p.first + A[i] - (N-i)*D; edges.push_back({cost, i, p.second}); } p = stR.between(i, N-1); if(p != INFP){ int64_t cost = p.first + A[i] - i*D; edges.push_back({cost, i, p.second}); } stL.update(i, {A[i] + (N-i)*D, i}); stR.update(i, {A[i] + i*D, i}); } sort(edges.begin(), edges.end()); UnionFind uf(N); int64_t ans = 0; for(auto& e : edges){ if(!uf.same(e[1], e[2])){ uf.unite(e[1], e[2]); ans += e[0]; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; //#define cerr if (false) cerr #define db(x) cerr << #x << "=" << x << endl #define db2(x, y) cerr << #x << "=" << x << "," << #y << "=" << y << endl #define db3(x, y, z) cerr << #x << "=" << x << "," << #y << "=" << y << "," << #z << "=" << z << endl #define dbv(v) cerr << #v << "="; for (auto _x : v) cerr << _x << ", "; cerr << endl #define dba(a, n) cerr << #a << "="; for (int _i = 0; _i < (n); ++_i) cerr << a[_i] << ", "; cerr << endl template <typename A, typename B> ostream& operator<<(ostream& os, const pair<A, B>& x) { return os << "(" << x.first << "," << x.second << ")"; } typedef long long ll; typedef long double ld; int main() { int n, k; scanf("%d%d", &n, &k); vector<int> A(n); for (int i = 0; i < n; ++i) scanf("%d", &A[i]); for (int i = 0; i < k; ++i) { vector<int> D(n + 1); for (int j = 0; j < n; ++j) { D[max(0, j - A[j])]++; D[min(n, j + A[j] + 1)]--; } bool no = false; for (int i = 0; i < n; ++i) { if (i) A[i] = A[i - 1]; else A[i] = 0; A[i] += D[i]; if (A[i] < n) no = true; } if (!no) break; } for (int i = 0; i < n; ++i) printf("%d ", A[i]); }
0
#include<bits/stdc++.h> using namespace std; int main(){ int N,L; cin>>N>>L; int A[N]; for(int i=0;i<N;i++){ A[i]=L+i; } int sum=0; if(L>=0){ for(int i=1;i<N;i++){ sum+=A[i]; } }else if(L<=-N){ for(int i=0;i<N-1;i++){ sum+=A[i]; } }else{ for(int i=0;i<N;i++){ sum+=A[i]; } } cout<<sum<<endl; }
#include <bits/stdc++.h> using namespace std; #define ll long long ll GCD(ll a, ll b) { return a % b ? GCD(b, a % b): b; } vector<pair<ll, ll> > prime_factorize(ll n) { vector<pair<ll,ll>> res; for (ll a = 2; a * a <= n; ++a) { if (n % a != 0) continue; ll ex = 0; // 指数 // 割れる限り割り続ける while (n % a == 0) { ++ex; n /= a; } // その結果を push res.push_back({a, ex}); } // 最後に残った数について if (n != 1) res.push_back({n, 1}); return res; } int main() { ll A, B; cin >> A >> B; ll g = GCD(max(A, B), min(A,B)); vector<pair<ll,ll>> vec_f = prime_factorize(g); cout << vec_f.size() + 1 << endl; }
0
#include<bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll,ll>; using Map = map<string,ll>; using vl = vector<ll>; using vvl = vector<vector<ll>>; int main(){ ll N; cin >> N; vector<double> A(N,0); for(ll i=0;i<N;i++){ cin>>A[i] ;} sort(A.begin(), A.end()); ll ans=0; for(ll i=N-1;i>=1;i--){ for(ll j=0;j<=40;j++){ if(upper_bound(A.begin(), A.end()-(N-i), (1<<j)-A[i])!=lower_bound(A.begin(), A.end()-(N-i), (1<<j)-A[i])) {*lower_bound(A.begin(), A.end()-(N-i), (1<<j)-A[i])-=0.0000001;ans++;break;} } ;} cout<<ans<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long i64; const int N = 1e5+5; int n, m, v, p, a[N], ans; i64 s[N]; int main() { scanf("%d%d%d%d", &n, &m, &v, &p), ans = p; for(int i = 1; i <= n; ++i) scanf("%d", a+i); sort(a+1, a+1+n, greater<int>()); for(int i = 1; i <= n; ++i) s[i] = s[i-1]+a[i]; for(int i = p+1; i <= n&&a[i]+m >= a[p]; ++i) if((i64)m*v <= (p-1ll)*m+(n-i+1ll)*m+i64(i-p)*(a[i]+m)-(s[i-1]-s[p-1])) ++ans; else break; printf("%d\n", ans); return 0; }
0
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<int,int>; #define rep(i,s,n) for(int i = s; i < (int)(n); i++) int main() { int k,x; cin >> k >> x; x = x-k+1; rep(i,0,2*k-1){ cout << x+i; if(i != 2*k-2) cout << " "; else cout << "" << endl; } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> ii; typedef vector<ii> vii; typedef vector<int> vi; #define INF 1000000000 #define MOD 1000000007 void solve() { string s; ll n, ans; cin >> n >> s; vi r, g; for (int i = 0; i < n; ++i) { if (s[i] == 'R') r.push_back(i); else if (s[i] == 'G') g.push_back(i); } ans = (ll)r.size() * (ll)g.size() * (n - (ll)r.size() - (ll)g.size()); for (auto &i : r) { for (auto &j : g) { int k1 = 2 * i - j, k2 = 2 * j - i, k3 = (i + j) / 2; if (k1 >= 0 && k1 < n && s[k1] == 'B') --ans; if (k2 >= 0 && k2 < n && s[k2] == 'B') --ans; if ((i + j) % 2 == 0 && s[k3] == 'B') --ans; } } cout << ans << "\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); int t = 1; // cin >> t; while (t--) solve(); return 0; }
0
#include<bits/stdc++.h> using namespace std; typedef long long ll; const int N = 123455, LG = 60; ll n, m, k, A[N], P[N], R[LG][N]; int main() { scanf("%lld", &n); for (int i = 0; i < n; i++) scanf("%lld", &A[i]), P[i] = i; scanf("%lld%lld", &m, &k); for (int i = 0; i < m; i++) { int a; scanf("%lld", &a); swap(P[a], P[a - 1]); } for (int i = 0; i < n; i++) R[0][i] = P[i]; for (int j = 1; j < LG; j++) for (int i = 0; i < n; i++) R[j][i] = R[j - 1][R[j - 1][i]]; printf("%lld\n", A[0]); ll nw = A[0]; for (int i = 1; i < n; i++) { int id = i; for (int j = 0; j < LG; j++) if ((k >> j) & 1LL) id = R[j][id]; nw += A[id] - A[id - 1]; printf("%lld\n", nw); } return 0; }
#include<bits/stdc++.h> using namespace std; #define fi first #define se second #define mp make_pair #define pb push_back #define rep(i, a, b) for(int i=(a); i<(b); i++) #define per(i, a, b) for(int i=(b)-1; i>=(a); i--) #define sz(a) (int)a.size() #define de(a) cout << #a << " = " << a << endl #define dd(a) cout << #a << " = " << a << " " #define all(a) (a).begin(), (a).end() #define pw(x) (1ll<<(x)) #define lb(x) ((x) & -(x)) #define endl "\n" #define FI(x) freopen(#x".in","r",stdin) #define FO(x) freopen(#x".out","w",stdout) typedef double db; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef vector<int> vi; //typedef uniform_int_distribution<ll> RR; const int P = 1e9 + 7; //ll rnd(ll l, ll r) { mt19937 gen(rand()); RR dis(l, r); return dis(gen); } int add(int a, int b) {if((a += b) >= P) a -= P; return a < 0 ? a + P : a;} int mul(int a, int b) {return 1ll * a * b % P;} int kpow(int a, int b) {int r=1;for(;b;b>>=1,a=mul(a,a)) {if(b&1)r=mul(r,a);}return r;} //---- const int N = 1e5 + 7; ll n, m, p[N], b[N], a[N], ans[N], now, vis[N], pp[N]; ll k; int main(){ //FI(a); ios::sync_with_stdio(0); cin.tie(0); //cout << setiosflags(ios::fixed); //cout << setprecision(2); cin >> n; rep(i, 1, n+1) cin >> a[i]; per(i, 1, n+1) a[i] -= a[i-1]; // rep(i, 1, n+1) de(a[i]); cin >> m >> k; rep(i, 1, m+1) cin >> b[i]; rep(i, 1, n + 1) p[i] = i; rep(i, 1, m + 1) swap(p[b[i]], p[b[i]+1]); rep(i, 1, n+1) pp[p[i]] = i; rep(i, 1, n+1) p[i] = pp[i]; // rep(i, 1, n+1) de(p[i]); rep(i, 1, n+1) if (!vis[i]){ now = i; vi tmp; while (1) { vis[now] = 1; tmp.pb(now); now = p[now]; if (now == i) break; } //de(sz(tmp)); rep(i, 0, sz(tmp)) { int u = (i + k) % sz(tmp); //de(tmp[u]); ans[tmp[u]] = a[tmp[i]]; } } //rep(i, 1, n+1) de(ans[i]); //de(a[1]); rep(i, 1, n+1) ans[i] += ans[i-1], cout << ans[i] << endl; return 0; }
1
#include <bits/stdc++.h> #include <array> using namespace std; using ULL = unsigned long long; using UL = unsigned; using LL = long long; #define rep(i, n) for(UL i = 0; i < (n); i++) struct Problem { UL S[2001][2001] = {}; UL J1[2001][2001] = {}; UL J2[2001][2001] = {}; void Query() { UL y1, y2, x1, x2; cin >> y1 >> x1 >> y2>> x2; y1--; x1--; UL mass = S[x2][y2] + S[x1][y1] - S[x1][y2] - S[x2][y1]; UL J1s = J1[x2][y2] + J1[x1 + 1][y1] - J1[x1 + 1][y2] - J1[x2][y1]; UL J2s = J2[x2][y2] + J2[x1][y1 + 1] - J2[x1][y2] - J2[x2][y1 + 1]; cout << (mass - J1s - J2s) << endl; } void Solve() { UL H, W; cin >> H >> W; UL Q; cin >> Q; rep(y, H) rep(x, W) { char c; cin >> c; S[x + 1][y + 1] = (c - '0'); } rep(y, H) rep(x, W) if (S[x][y + 1] && S[x + 1][y + 1]) J1[x + 1][y + 1] = 1; rep(y, H) rep(x, W) if (S[x + 1][y] && S[x + 1][y + 1]) J2[x + 1][y + 1] = 1; rep(y, H) rep(x, W) S[x + 1][y + 1] += S[x][y + 1]; rep(y, H) rep(x, W) S[x + 1][y + 1] += S[x + 1][y]; rep(y, H) rep(x, W) J1[x + 1][y + 1] += J1[x][y + 1]; rep(y, H) rep(x, W) J1[x + 1][y + 1] += J1[x + 1][y]; rep(y, H) rep(x, W) J2[x + 1][y + 1] += J2[x][y + 1]; rep(y, H) rep(x, W) J2[x + 1][y + 1] += J2[x + 1][y]; rep(i, Q) Query(); } Problem(); }; int main() { unique_ptr<Problem> p(new Problem()); p->Solve(); return 0; } Problem::Problem() { cout << fixed << setprecision(10); }
#include <bits/stdc++.h> using namespace std;using ll=long long;using uint=unsigned int;using pii=pair<int,int>;using pll=pair<ll,ll>;using ull = unsigned long long;using ld=long double;template<typename T>void _(const char*s,T h){cerr<<s<<" = "<<h<<"\n";}template<typename T,typename...Ts>void _(const char*s,T h,Ts...t){int b=0;while(((b+=*s=='(')-=*s==')')!=0||*s!=',')cerr<<*s++;cerr<<" = "<<h<<",";_(s+1,t...);}// break continue pop_back 998244353 #define int ll #define pii pll #define f first #define s second #define pb emplace_back #define forn(i,n) for(int i=0;i<(n);++i) #define sz(a)((int)(a).size()) #define sqr(x) ((x)*(x)) struct init{init(){cin.tie(0);iostream::sync_with_stdio(0);cout<<fixed<<setprecision(10);cerr<<fixed<<setprecision(5);}~init(){ #ifdef LOCAL #define dbg(...) _(#__VA_ARGS__,__VA_ARGS__) cerr<<"Time elapsed: "<<(double)clock()/CLOCKS_PER_SEC<<"s.\n"; #else #define dbg(...) #endif }}init;template<typename T,typename U>void upx(T&x,U y){if(x<y)x=y;}template<typename T,typename U>void upn(T&x,U y){if(x>y)x=y;}mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());const int D=4,dx[]={+1,0,-1,0},dy[]={0,+1,0,-1}; const int N=2020; int a[N][N],el[N][N],eu[N][N],p[N][N]; int32_t main(){ int n,m,q; cin>>n>>m>>q; for(int i=1;i<=n;++i){ string s;cin>>s;s="#"+s; for(int j=1;j<=m;++j){ a[i][j]=s[j]-'0'; int pl=a[i][j]&a[i][j-1]; int pu=a[i][j]&a[i-1][j]; p[i][j]=p[i-1][j]+p[i][j-1]-p[i-1][j-1]+a[i][j]; el[i][j]=el[i-1][j]+el[i][j-1]-el[i-1][j-1]+pl; eu[i][j]=eu[i-1][j]+eu[i][j-1]-eu[i-1][j-1]+pu; } } while(q--){ int x1,y1,x2,y2; cin>>x1>>y1>>x2>>y2; int v=p[x2][y2]-p[x2][y1-1]-p[x1-1][y2]+p[x1-1][y1-1]; int e=el[x2][y2]-el[x2][y1]-el[x1-1][y2]+el[x1-1][y1]+ eu[x2][y2]-eu[x2][y1-1]-eu[x1][y2]+eu[x1][y1-1]; cout<<v-e<<'\n'; } return 0; }
1
#include <algorithm> #include <cmath> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <stack> #include <string> #include <utility> #include <vector> using ll = long long; #define rep(i, n) for (int i = 0; i < n; i++) #define repk(i, k, n) for (int i = k; i < n; i++) #define MOD 1000000007 #define INF 1e9 #define PIE 3.14159265358979323 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 <class T> T GCD(T a, T b) { if (b == 0) return a; else return GCD(b, a % b); } template <class T> inline T LCM(T a, T b) { return (a * b) / GCD(a, b); } using namespace std; //#inculude <bits/stdc++.h> #define int long long signed main() { int n; cin >> n; repk(i, n, 1000) { string s = to_string(i); if (s[0] == s[1] && s[0] == s[2]) { cout << s << endl; return 0; } } }
#include <iostream> #include <cmath> #include <iomanip> using namespace std; int main(void){ int R; cin >> R; double ans = (2 * R) * acos(-1.0); cout << setprecision(20) << ans << endl; }
0
#include<bits/stdc++.h> using namespace std; int main(){ long long x; cin>>x; if(x/11==0){ if(x>6){ cout<<2<<endl; }else{ cout<<1<<endl; } return 0; }else{ if(x%11==0){ cout<<x/11*2<<endl; }else if((x-x/11*11)>6){ cout<<x/11*2+2<<endl; }else{ cout<<x/11*2+1<<endl; } } return 0; }
#include<iostream> #include<iomanip> #include<cmath> #include<string> #include<cstring> #include<vector> #include<list> #include<algorithm> #include<map> #include<set> #include<queue> #include<stack> using namespace std; int main() { long long x; cin >> x; long long ans = 0; if (x % 11 == 0) { ans = x / 11 * 2; } else if(x % 11 <= 6) { ans = x / 11 * 2 + 1; } else { ans = x / 11 * 2 + 2; } cout << ans << endl; return 0; }
1
#include <iostream> #include <vector> #include <list> #include <set> #include <string> #include <cmath> #include <algorithm> #include <map> using namespace std; using ll=long long; using vi=vector<int>; using vll=vector<ll>; using pii=pair<int,int>; using vs=vector<string>; using vpii=vector<pii>; using si=set<int>; #define REP(i,a) for(int i=0;i<a;i++) #define FOR(i,a,b) for(int i=a;i<b;i++) #define rREP(i,a) for(int i=(a)-1;i>=0;i--) #define rFOR(i,a,b) for(int i=(a)-1;i>=(b);i--) #define out(S) cout<<(S)<<endl; #define beginend(v) (v).begin(),(v).end() #define IfOut(condition,text) if(condition){out(text);return 0;} #define IfOutElse(condition,if_text,else_text) if(condition){out(if_text);return 0;}else{out(else_text);return 0;} #define mod(s) ((s)%(ll)(1e9+7)) ll modpow(ll i, ll j) { ll tmp = 1; while (j) { if (j % 2)tmp = mod(tmp*i); i = mod(i*i); j /= 2; }return tmp; } #define divmod(a,b) (mod(a*modpow((ll)b,(ll)(1e9+5)))) #define pb(i) push_back(i) #define fst first #define snd second #define Foreach(item,collection) for(auto item:collection) #define INF 1e10 #define removeAll(vec,deleg) auto itr=remove_if(beginend(vec),deleg);vec.erase(itr,vec.end()); void removeAt(string& s, int index) { s.erase(index, 1); } template<typename T> void removeAt(vector<T>& v, int index) { v.erase(v.begin() + index); } ll manhattanDistance(ll x1, ll y1, ll x2, ll y2) { return (abs(x2 - x1) + abs(y2 - y1)); } vector<ll> sieveOfEratosthenes(int max) {ll prime;double sqrtmax = sqrt(max);vector<ll> primeVec, searchVec;FOR(i, 2, max + 1) searchVec.push_back(i);do{prime = searchVec[0];primeVec.push_back(prime);auto itr = remove_if(beginend(searchVec), [=](ll x)->bool {return x%prime == 0; });searchVec.erase(itr, searchVec.end());} while (prime < sqrtmax);primeVec.reserve(primeVec.size() + searchVec.size());primeVec.insert(primeVec.end(), beginend(searchVec));return primeVec;} ll sum(vi v) {ll sum=0;Foreach(i,v){sum+=i;}return sum;} #define ShowAll(v) Foreach(i,v) out(i); int shouhi(int v,int x,int y){ double motone=(double)v*100.0/(100.0+x); return motone*(100.0+y)/100.0; } int main(){ vi ans; int m,nmin,nmax; while (cin>>m>>nmin>>nmax,(m||nmin||nmax)) { vi P(m); REP(i,m)cin>>P[i]; int n=nmin-1,pmax=0; FOR(i,nmin-1,nmax){ if(pmax<=P[i]-P[i+1]){ pmax=P[i]-P[i+1]; n=i; } } ans.pb(n+1); } ShowAll(ans); return 0; }
#include <iostream> using namespace std; int main(void){ while(1){ int m, nmin, nmax; cin >> m; cin >> nmin; cin >> nmax; if(m == 0 && nmin == 0 && nmax == 0){ return 0; } int P[m]; for(int i = 0 ; i < m ; i++){ cin >> P[i]; } int ans = nmin; int max = -1; for(int i = nmin ; i <= nmax ; i++){ if(max >= P[i] - P[i - 1]){ max = P[i] - P[i - 1]; ans = i; } } cout << ans << endl; } return 0; }
1
#include <iostream> #include <string> #include <algorithm> using namespace std; int main() { int n,m; cin >> n >> m; int l[m],r[m]; for(int i = 0; i < m; i++) { cin >> l[i] >> r[i]; } int ans = *max_element(l,l+m) - *min_element(r,r+m); if(ans > 0) { cout << 0 << endl; }else { cout << abs(ans)+1 << endl; } return 0; }
#include <algorithm> #include <cstdlib> #include <cmath> #include <iostream> #include <iomanip> #include <map> #include <numeric> #include <stack> #include <string> #include <vector> #define _GLIBCXX_DEBUG using namespace std; using ll = long long; int main() { int n,m; cin >> n >> m; int max = 0,min = 1e9; vector<vector<int>> G(m,vector<int>(2)); for (int i = 0; i < m; i++) { for (int j = 0; j < 2; j++) { cin >> G[i][j]; } if (max < G[i][0]) { max = G[i][0]; } if (min > G[i][1]) { min = G[i][1]; } } if (max > min) { cout << "0" << endl; }else{ cout << min-max+1 << endl; } }
1
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) using namespace std; #define INF ((1<<30)-1) #define LINF (1LL<<60) #define EPS (1e-10) typedef long long ll; typedef pair<ll, ll> P; const int MOD = 1000000007; const int MOD2 = 998244353; int main(){ ll X, Y; cin >> X >> Y; ll cnt = LINF; rep(i, 2) rep(j, 2){ ll x = X, y = Y; ll tmp = 0; if (i) x *= -1, tmp++; if (j) y *= -1, tmp++; if (x <= y) { tmp += y - x; cnt = min(cnt, tmp); } } cout << cnt << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ long x,y; cin >> x >> y; if(x==y) cout << 0 << endl; else if(y-x==1||y==-x) cout << 1 << endl; else cout << min({abs(x-y),abs(x+y-1),abs(x+y+1),abs(x-y+2)})+2 << endl; }
1
#include<bits/stdc++.h> #define rep(i,f,n) for(ll i=(f); (i) < (n); i++) #define repe(i,f,n) for(ll i=(f); (i) <= (n); i++) using namespace std; using ll = long long; ll INF = 1LL << 60; vector<vector<char>> vec; vector<pair<int, int>> direct = {{1,0},{-1, 0}, {0,1}, {0, -1}}; vector<vector<int>> dist; queue<pair<int, int>> que; int H, W; int bfs() { while(!que.empty()){ int x = que.front().first; int y = que.front().second; que.pop(); rep(i, 0, 4){ int dx = x + direct[i].first; int dy = y + direct[i].second; if(dx < 0 || dx >= H || dy < 0 || dy >= W) continue; if(vec[dx][dy] == '#') continue; if(dist[dx][dy] == -1){ dist[dx][dy] = 1 + dist[x][y]; que.push({dx, dy}); } } } int ans = 0; rep(i, 0,H){ rep(k, 0, W){ ans = max(ans, dist[i][k]); } } return ans; } int main() { cin >> H >> W; vec.resize(H); dist.resize(H, vector<int>(W, -1)); rep(i, 0, H){ rep(k, 0, W){ char c; cin >> c; vec[i].push_back(c); if(vec[i][k] == '#') dist[i][k] = 0, que.push({i, k}); } } int ans = bfs(); cout << ans << endl; }
#include <iostream> #include <vector> using namespace std; int main(){ int n, t0; cin >> n >> t0; vector<int> t(n); for(int i = 0; i < n; i++) cin >> t[i]; long long int ans = t0; for(int i = 1; i < n; i++){ if(t[i]-t[i-1] >= t0) ans += t0; else ans += t[i]-t[i-1]; } cout << ans << endl; return 0; }
0
#include<bits/stdc++.h> using namespace std; #define rep(i, n) rep2(i, 0, n) #define rep2(i, m, n) for (ll i = m; i < (n); i++) using ll = long long; using pii = pair<int, int>; using Vi = vector<int>; int main() { int N,K; cin >> N >> K; if(N%K==0){ cout << 0 << endl; } else{ cout << 1 << endl; } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define pi 3.14159265359 #define inf 2147483647 #define INF 9223372036854775807 #define mod 1000000007 #define mod2 998244353 int main() { int N, K; cin >> N >> K; cout << (N + K - 1) / K - N / K << endl; return 0; }
1
#include<cstdio> #include<cstdlib> #include<cstring> #include<cmath> #include<algorithm> #include<functional> #include<vector> #include<queue> #include<stack> #include<set> #include<map> using namespace std; #define MOD 1000000007 #define f(i,n) for(long long i=0;i<(long long)(n);i++) #define N 600000 int main() { int n, k; scanf("%d", &n); printf("%d\n", n*n*n); return 0; }
#include<iostream> using namespace std; int main(){ int a,b; cin>>a; for(int i=3;i<=a;i++){ b=0; if(i%3==0 || i%10==3){ cout<<" "<<i; b=1; } if(i>=30 && b==0){ for(int j=i;j>=9;){ j=j/10; if(j%10==3){ cout<<" "<<i; break; } } } } cout<<endl; }
0