solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; int dx[] = {1, -1, 0, 0}; int dy[] = {0, 0, 1, -1}; int n, m, h; vector<int> aux, aux2; int vec[102][102]; int vis[102]; int vis2[102]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cin >> n >> m >> h; for (int i = 0; i < m; i++) { ...
2
#include <bits/stdc++.h> using namespace std; int a[8]; int main() { int n, s = 0; cin >> n; for (int i = 1; i <= 7; i++) { cin >> a[i]; } for (int i = 1; i <= 7; i++) { s += a[i]; if (s >= n) { cout << i; return 0; } if (i == 7) { i = 0; } } return 0; }
1
#include <bits/stdc++.h> using namespace std; int dx[4] = {-1, 0, 0, 1}; int dy[4] = {0, -1, 1, 0}; bool sortbysec(const pair<int, int> &a, const pair<int, int> &b) { if (a.first == b.first) return a.second < b.second; return (a.first < b.first); } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); ...
1
#include<iostream> using namespace std; int main(){ while(true){ double a[100000], data, total=0; cin >> data; if(data == 0) break; for(int i=0; i<data; i++){ cin >> a[i]; total += a[i]; } double ave = total/data; int n=0; for(int i=0; i<data; i++){ if(a[i]<=ave) n++...
0
#include <bits/stdc++.h> using namespace std; int Y[] = {-1, 1, 0, 0, -1, -1, 1, 1}; int X[] = {0, 0, -1, 1, -1, 1, -1, 1}; int directions = 4; long long power(long long a, long long n) { if (a == 0) return 0; if (a == 1 || n == 0) return 1; if (n == 1) return a % 1000000007; long long t = power(a, n / 2); t ...
3
#include <bits/stdc++.h> using namespace std; int N; bool firstMass[3000000]; bool secondMass[3000000]; void input() { cin >> N; char c; for (int i = 0; i < 2 * N; i++) { cin >> c; if (c == '1') firstMass[i] = true; else firstMass[i] = false; } for (int i = 0; i < 2 * N; i++) { cin...
1
#include<cstdio> #include<algorithm> #include<functional> using namespace std; int main(void) { int n,m,i,j,mx,x,a[1000]; while(1) { scanf("%d %d",&n,&m); if(n==0 && m==0) break; for(i=0;i<n;i++) scanf("%d",&a[i]); mx=0; for(i=0;i<n-1;i++) { for(j=i+1;j<n;j++) { if(a[i]+a[j]<=m) { mx=max(mx,a[i]...
0
#include <bits/stdc++.h> using namespace std; struct Node { Node *ch[2]; int r, s, v; Node(int _v = 0) : v(_v) { ch[0] = ch[1] = NULL; r = rand(); s = 1; } void up() { s = 1; if (ch[0] != NULL) s += ch[0]->s; if (ch[1] != NULL) s += ch[1]->s; } }; struct Treap { Node *root; Treap...
4
#include <bits/stdc++.h> using namespace std; int main() { int n; cin>>n; double x,s=0; string u; for(int i=0; i<n; i++){ cin>>x>>u; if(u=="JPY") s+=x; else s+=380000*x; } printf("%-10.5lf\n",s); }
0
#include <iostream> #include <cstdio> #include <cstring> using namespace std; const int mod=1e9+7; typedef long long ll; struct mat{ ll a[3][3]; friend mat operator *(mat a,mat b){ mat c;memset(c.a,0,sizeof(c.a)); for(int i=0;i<3;i++){ for(int p=0;p<3;p++){ for(int j=0;j<3;j++) c.a[i][p]=(c.a[i][p]+a.a[i][...
0
#include <bits/stdc++.h> using namespace std; int64_t a[200005]; signed main() { int64_t t; cin >> t; while (t--) { int64_t n, i; cin >> n; for (i = 1; i <= n; i++) cin >> a[i]; int64_t c = 0, f = 0, fl = 0; a[0] = 1000000000; int64_t cou = 0; for (i = 1; i <= n; i++) { if (a[i] ...
3
#include <bits/stdc++.h> using namespace std; int n, m, k, s, pcount = 0, vis[500][500]; char arr[500][500]; int dfs(int i, int j) { vis[i][j] = 1; int count = 1; if (i > 0 && vis[i - 1][j] == 0) count += dfs(i - 1, j); if (i < n - 1 && vis[i + 1][j] == 0) count += dfs(i + 1, j); if (j > 0 && vis[i][j - 1] ==...
1
#include <bits/stdc++.h> using namespace std; const long long maxn = 1e5 + 10; const long long INF = 1e9; long long n, ans[maxn], fen[maxn], dp[maxn], a[maxn]; vector<pair<pair<long long, long long>, long long> > poi; long long ask(long long l, long long r) { if (r < l) return 0; if (l > n - 1 || l < 0 || r < 0 || ...
5
#include <bits/stdc++.h> using namespace std; long long int minn(long long int a, long long int b) { if (a > b) return b; return a; } long long int maxx2(long long int a, long long int b) { if (a > b) return a; return b; } long long int maxx(long long int a, long long int b, long long int c) { return maxx2(a,...
1
#include <bits/stdc++.h> using namespace std; int n, m, k; int num = 1; struct node { int to; int next; } road[400010]; int head[200010]; int low[100010], dfn[100010], cut[200010], tot = 0; int cnt = 0, vis[100010], belong[100010]; int pre[200010][20], deep[200010]; void build(int from, int to) { road[++num].next...
2
#include <bits/stdc++.h> using namespace std; int read() { int x = 0; bool flg = false; char ch = getchar(); for (; !isdigit(ch); ch = getchar()) if (ch == '-') flg = true; for (; isdigit(ch); ch = getchar()) x = (x << 3) + (x << 1) + (ch ^ 48); return flg ? -x : x; } int ans[310][310]; int a[310][310];...
2
#include <bits/stdc++.h> using namespace std; const int maxn = 100100; const int s = 30; int n, d, x; int a[maxn], b[maxn], q[maxn], to[maxn]; int getNextX() { x = (x * 37LL + 10007) % 1000000007; return x; } void initAB() { int i; for (i = 0; i < n; i = i + 1) { a[i] = i + 1; } for (i = 0; i < n; i = i...
2
#include<iostream> #include<algorithm> using namespace std; int N,A[100]; int ans=1e9; int main() { cin>>N; for(int i=0;i<N;i++)cin>>A[i]; for(int X=-100;X<=100;X++) { int now=0; for(int i=0;i<N;i++)now+=(X-A[i])*(X-A[i]); ans=min(ans,now); } cout<<ans<<endl; }
0
#include <bits/stdc++.h> using namespace std; const int N = 200100; int n, x[N], y[N], sx, sy, cnt1, cnt2, cnt3, cnt4, mx; int main() { scanf("%d%d%d", &n, &sx, &sy); for (int i = 1; i <= n; i++) { scanf("%d%d", &x[i], &y[i]); x[i] -= sx; y[i] -= sy; } for (int i = 1; i <= n; i++) { if (y[i] >= ...
3
#include <bits/stdc++.h> using namespace std; int n, b, c, mn; struct node { int x, d; }; int mem1[200001]; int mem2[200001]; vector<node> v[200001]; stack<node> q; queue<int> ans; void f(int x, int p) { for (int i = 0; i < v[x].size(); i++) { int nx = v[x][i].x; int nd = v[x][i].d; if (nx != p) { ...
4
#include <bits/stdc++.h> using namespace std; long long n, m, l, r, s, c[1000]; double d, ans, f[110][100010], sum[100010]; inline long long read() { long long x = 0, f = 1; char c = getchar(); while (c < '0' || c > '9') { if (c == '-') f = -1; c = getchar(); } while (c >= '0' && c <= '9') { x = (...
3
#include <bits/stdc++.h> using namespace std; int a[1005]; int main() { int cc; int n, m; while (cin >> n >> m) { for (int i = 1; i <= n; i++) cin >> a[i]; int ans = -0x3f3f3f3f; for (int i = 1; i <= n; i++) for (int j = i; j <= n; j++) { vector<int> ss, pp; int sum = 0; ...
1
#include <bits/stdc++.h> using namespace std; bool isCoprime(int64_t a, int64_t b) { if (a > b) { swap(a, b); } if (a == 1) { return true; } if (b % a == 0) { return false; } for (int64_t d = 2; d <= b - a; ++d) { if (a % d == 0 and (b % d == 0 or b % (b / d) == 0)) { return false; ...
1
#include <bits/stdc++.h> using namespace std; inline int read() { char ch = 0; int x = 0, flag = 1; while (!isdigit(ch)) { ch = getchar(); if (ch == '-') flag = -1; } while (isdigit(ch)) { x = (x << 3) + (x << 1) + ch - '0'; ch = getchar(); } return x * flag; } struct edge { int to, nxt;...
2
#include <bits/stdc++.h> using namespace std; const long long int infinity = 9e18; string getString(string s) { if (s.size() == 0) return "-1"; int i = 0; while (i < s.size() && s[i] == '0') i++; if (i == s.size()) return "0"; else return s.substr(i, s.size() - i); } string get(string s, int x, int y)...
3
#include <bits/stdc++.h> int getbit(long long x, int y) { return (x >> y) & 1; } long long getoff(long long x, int y) { return x ^ ((1ll) << y); } using namespace std; int n, k, pos, p[410], c[410][410]; vector<int> vt[410]; vector<int> f[410][410]; void dfs(int u, int cha) { for (int i = 0; i <= n; ++i) f[u][i].resi...
4
#include <bits/stdc++.h> using namespace std; #define int long long bool f; int n, i, j; int card[9]; bool judge (int a, int b, int c){ if (a == b && b == c) return true; else if (a + 1 == b && a + 2 == c) return true; return false; } int win(){ sort(card, card + 9); do{ ...
0
#include <iostream> #include <algorithm> using namespace std; const long long INF = 1000000000000000; int main() { int a, b, q; cin >> a >> b >> q; long long s[100010], t[100010]; s[0] = t[0] = -INF; for (int i = 1; i <= a; i++) { cin >> s[i]; } for (int i = 1; i <= b; i++) { cin >> t[i]; } s[a + 1] = INF...
0
#include <iostream> #include <sstream> #include <iomanip> #include <algorithm> #include <cmath> #include <string> #include <vector> #include <list> #include <queue> #include <stack> #include <set> #include <map> #include <bitset> #include <numeric> #include <climits> #include <cfloat> using namespace std; int main() {...
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int N; cin >> N; set<int> s; map<int, int> m, mm; for (int i = 0; i < N; ++i) { int x; cin >> x; s.insert(x); m[x]++; } if (s.size() != 2) { cout << "...
1
#include <bits/stdc++.h> using namespace std; const long long md = 1e9 + 7; const long long MD = md * 100; const int xn = 2e3 + 10; const int xm = 4e6 + 10; const int SQ = 320; const int sq = 1e3 + 10; const long long inf = 1e18 + 10; long long power(long long a, long long b) { return (!b ? 1 : (b & 1 ? ...
5
#include <bits/stdc++.h> struct I_Node { int x = 0; int k = 0; long long int subtract = 0; }; struct T_Node { int start; int end; int height; int root; }; I_Node segtree[4 * 300010]; T_Node tree[300010]; int roots[300010]; int name[300010]; int name_inv[300010]; int curr_name = 0; std::vector<std::vector<...
5
#include <bits/stdc++.h> using namespace std; const int INF = 1e9 + 5; int N, M; vector<vector<int>> occur; string S; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cin >> N >> M >> S; occur.assign(M, vector<int>(M, 0)); for (int i = 0; i + 1 < N; i++) { int x = S[i] - 'a'; int y = S[i + ...
5
#include <bits/stdc++.h> using namespace std; const int N = 300007; const int IT = 500000; struct xorshift { unsigned x, y, z, w; xorshift() : x(123456789), y(328932), z(7777777), w(898329832) {} unsigned dsljhfdskjfdshkjfds() { unsigned t = x ^ (x << 11); x = y; y = z; z = w; return w = w ^ (...
6
#include<cstdio> #include<vector> #include<algorithm> #include<functional> using namespace std; typedef long long ll; //using ll=long long; using vll=vector<ll>; ll nCr(int n, int r) { ll ret=1; if(r*2>n) r=n-r; for(int i=0;i<r;i++) { ret*=(n-i); ret/=(i+1); } return ret; } int main(void) { int n, a,...
0
#include<bits/stdc++.h> #define lowbit(x) x&(-x) #define ll long long #define mod 998244353 using namespace std; int x[200001];int y[200001];int lsh[200001];int cnt;ll ans=0; int n; struct point { int x,y; bool operator<(const point &gv)const{ return gv.x<x;} }p[200001];ll tree[200001];ll tree2[200001]; int query(in...
0
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; #define pb push_back #define PII pair <int,int> #define PLL pair <ll,ll> #define mp make_pair #define xx first #define yy ...
0
#include <iostream> #include <cstdio> #define MAXN 100005 //#define ivorysi using namespace std; typedef long long int64; typedef double db; int N; int64 S,X[MAXN],P[MAXN],ans; void Solve() { scanf("%d%lld",&N,&S); for(int i = 1 ; i <= N ; ++i) { scanf("%lld%lld",&X[i],&P[i]); } int L = 1,R = N;...
0
#include <bits/stdc++.h> using namespace std; char str[5050]; short lcp[5050][5050], f[5050][5050]; int ans[5050]; int main() { scanf("%s", str + 1); int len = strlen(str + 1); for (int i = len; i >= 1; --i) { for (int j = 1; j <= len; ++j) { if (str[i] == str[j]) { lcp[i][j] = lcp[i + 1][j - 1]...
4
#include <bits/stdc++.h> using namespace std; int main() { unsigned long long n, i, j; string s1, s2; cin >> s1 >> s2; scanf("%lld", &n); string s3[n], s4[n]; for (i = 0; i < n; i++) { cin >> s3[i] >> s4[i]; } string tm1, tm2; tm1 = s1; tm2 = s2; for (i = 0; i < n; i++) { cout << tm1 << " ...
1
#include <bits/stdc++.h> using namespace std; const int MOD = 1e9 + 7; const int MAXN = 255; const int RIGHT = 1; const int DOWN = 2; int nowarn; int n, m, a[MAXN][MAXN]; int ALLST, EMPTYST, GRIDST, UDST, LRST; map<int, int> f[2]; void add_to(int cur, int S, int S2) { f[cur ^ 1][S2] = (f[cur ^ 1][S2] + f[cur][S]) % M...
6
#include<iostream> using namespace std; int main() { int n, r, k; cin>>n>>r; if(n>=10) cout<<r; else cout<<r+100*(10-n)<<endl; }
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; int t; cin >> t; while (t--) { string s; cin >> s; map<pair<int, pair<int, int> >, bool> v; int n = s.size(); int i; int x = 0, y = 0; long long ans = 0; for ...
3
#include <bits/stdc++.h> using namespace std; const double pi = acos(-1.0); template <typename T, typename U> inline void amin(T &x, U y) { if (y < x) x = y; } template <typename T, typename U> inline void amax(T &x, U y) { if (x < y) x = y; } int main() { int i, j, k; string s1, s2, s3, s4, s5; s1 = "Danil";...
1
#include <bits/stdc++.h> using namespace std; const int N = 5000 + 7; const int inf = 0x3f3f3f3f; const long long INF = 0x3f3f3f3f3f3f3f3f; const int mod = 1e9 + 7; const double eps = 1e-8; const double PI = acos(-1); template <class T, class S> inline void add(T& a, S b) { a += b; if (a >= mod) a -= mod; } templat...
6
#include <bits/stdc++.h> using namespace std; int n; map<string, int> record; struct player { string ratings; string name; int scr; void getratings(int bnum) { if (bnum * 2 > n) { ratings = "noob"; return; } if (bnum * 5 > n) { ratings = "random"; return; } if (bnum *...
2
#include <bits/stdc++.h> using namespace std; const int N = 100010; long long n, a, b, x, y, t, m, c, p; string s; bool bole, bolo; int main() { cin >> s; for (int i = 0; i < s.size(); i++) { if (s[i] == 'C') { if (p) { m++; p = 0; } c++; if (c == 5) { m++; ...
1
#include <bits/stdc++.h> using namespace std; int main() { long long a, m, x, i, flag = 0; cin >> a >> m; x = a; for (i = 1; i <= (2 * m); i++) { x += x % m; if (x % m == 0) { flag = 1; break; } } if (flag == 0) cout << "No"; else cout << "Yes"; }
1
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") using namespace std; const int N = 1 << 20; long long lazy[N << 1], val[N << 1], sum[N << 1], mul[N << 1], mn[N << 1], mnpos[N << 1]; void pd(int i, int l, int r) { if (lazy[i] != -1e18) { val[i] = lazy[i]; sum[i] = lazy[i] * mul[i]; if (0 <= sum[...
3
#include <bits/stdc++.h> #define vc vector<ll> #define um unordered_map<ll,ll> #define ll long long #define rep(i,a,b) for(__typeof(a) i=a; i<b; i++) #define si(a) (int)(a.size()) #define all(a) a.begin(),a.end() #define ss(a) a.second #define ff(a) a.first #define pb push_back #define repit(i,a) for(auto i=a.begin(); ...
5
#include <bits/stdc++.h> using namespace std; void solve() { int x = 0, y = 0; cin >> x >> y; cout << min({x, y, (x + y) / 3}) << "\n"; } int main() { int t = 0; cin >> t; while (t--) { solve(); } }
1
#include <bits/stdc++.h> using namespace std; long long* input(long long n) { long long* arr = new long long[n]; for (long long i = 0; i < n; i++) cin >> arr[i]; return arr; } long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); } signed main() { long long n; cin >> n; l...
2
#include<iostream> #include<algorithm> #include<vector> #include<string> #include<set> #include<queue> #include<stack> #include<bitset> #include<unordered_map> #include<functional> #include<map> #include<iomanip> #include<limits> #include<unordered_set> #include<cmath> #include <numeric> #include <array> #include<utili...
0
#include <bits/stdc++.h> const int N = 600100; using namespace std; int a[N]; long long sum1[N]; long long sum2[N]; long long pre_sum1[N]; long long pre_sum2[N]; long long inc_sum1[N]; long long inc_sum2[N]; int main() { ios::sync_with_stdio(false); cin.tie(NULL); int n; cin >> n; for (int i = 1; i <= n; i++)...
3
#include<cstdio> using namespace std; int n; int a[100]={1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51}; int main(){ scanf("%d",&n); printf("%d",a[n-1]); }
0
#include <bits/stdc++.h> using namespace std; const int N = 100005; vector<int> di[N]; int s[8]; int main() { for (int i = (int)(1); i <= (int)(N - 1); i++) for (int j = (int)(1); j <= (int)((N - 1) / i); j++) di[i * j].push_back(i); int T; scanf("%d", &T); while (T--) { int x, y, z, ans = 0; scanf(...
4
#include <bits/stdc++.h> #pragma GCC optimize(3) using namespace std; unsigned long long Total; unsigned long long Array[200001]; unsigned long long Brray[200001]; unsigned long long Crray[200001]; unsigned long long Count[101]; int main(void) { register unsigned long long i, j; cin >> Total; for (i = 1; i <= Tot...
6
#include <bits/stdc++.h> using namespace std; int arr[100][100]; int vis[100][100]; int n; int in(int r, int c) { return r >= 0 && r < n && c >= 0 && c < n; } int edge(int r, int c) { return !in(r, c) || (arr[r][c] == 1); } int main() { cin >> n; pair<int, int> topLeft4(-1, -1), bottomRight4(-1, -1); int nums[5] ...
2
#include <bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using ld = long double; using pii = pair<int, int>; template <class F> void bleh(int i, int n, F f) { f(i); poop(i + 1, n, f); } template <class F> void poop(int i, int n, F f) { return (i == n) ? void() : bleh(i, n, f); }...
5
#include <bits/stdc++.h> using namespace std; typedef long long ll; const static ll INF = 1e9; const static ll MOD = 1e9+7; int main(){ ll N; cin >> N; vector<ll> T(N), A(N), V(N); for(int i = 0; i < N; i++) cin >> T[i]; for(int i = 0; i < N; i++) cin >> A[i]; V[0] = 1; if(T[N-1] != A[0]){co...
0
#include <bits/stdc++.h> using namespace std; int main() { long long int t; cin >> t; while (t--) { long long int n, k; cin >> n >> k; long long int i, arr[n]; for (i = 0; i < n; i++) cin >> arr[i]; sort(arr, arr + n, greater<int>()); long long int max = arr[0], min = 0, ans = 0; for (...
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n; cin >> n; string s; cin >> s; string ans = "0000000000"; for (int i = 0; i < n; ++i) { if (s[i] == 'L') { for (int j = 0; j < 10; ++j) { if (ans[j] == '0') { ans[j]...
1
#include <bits/stdc++.h> using namespace std; int main() { char n[5] = ""; for (int i = 0; i < 4; i++) cin >> n[i]; sort(n, n + 4); cout << (string(n) == "1479" ? "YES" : "NO") << endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; int h, m, nQ; const int MAX_N = int(2e5) + 10; set<int> emptySet[MAX_N]; vector<int> seqs[MAX_N]; int id[MAX_N], idx[MAX_N], cnt[MAX_N]; int nId; int findNext(set<int>& s, int me) { set<int>::iterator it = s.lower_bound(me); if (it == s.end()) return *s.begin(); e...
3
#include <bits/stdc++.h> using namespace std; int U, a[10], C[100][100]; int cur[100], nxt[100]; int solve2() { int i, j, k, ret = 0; int L = 0; for (i = 0; i < 10; i++) L += a[i]; memset(cur, 0x00, sizeof(cur)); cur[0] = 1; for (i = 0; i < 10; i++) { memset(nxt, 0x00, sizeof(nxt)); for (j = 0; j <=...
2
#include <bits/stdc++.h> using namespace std; int long long n, i, a, b[100005], ans, ans1; int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); cin >> n >> a; for (i = 1; i <= n; i++) { cin >> b[i]; } if (n == 1) { cout << 0; return 0; } sort(b + 1, b + n + 1); ans =...
2
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 5; const int mod = 1e9 + 7; int n, m, t, q; vector<int> G[N]; map<int, int> M; set<int> S; struct p { int x, y; }; int a[N], ans[N]; int main() { scanf("%d%d%d", &n, &m, &t); int sum = 0; for (int i = (1); i <= (m); i++) scanf("%d", &a[i]), sum +...
3
#include <bits/stdc++.h> using namespace std; int arr[1005][1005]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n, tmp = 0; cin >> n; for (int i = 1; i <= n / 4; i++) { for (int j = 1; j <= n / 4; j++) { for (int x = 1; x <= 4; x++) { for (int y = 1; y ...
3
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; cin >> n; int a[n], x[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int cnt = 1, temp = 0; int prim[11] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31}; for (int j = 0; j < 11; j++)...
2
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define mp make_pair #define pb push_back const int M=300005; const int N=998244353; int n; ll m,x,y,a,b,k,fact[M],inv[M]; int modpow(int x,int p,int m){ if(p==0)return 1; int k=modpow(x,p/2,m)%m; k=(1LL*k*k)%m; if(p%2==1)k=(1LL*k*x)%m...
0
#include <bits/stdc++.h> using namespace std; long long n, p[100100], cnt, flag[100100], inv[100100]; void shai() { for (long long i = 2; i <= n; i++) { if (flag[i] == 0) p[++cnt] = i; for (long long j = 1; j <= cnt && i * p[j] <= n; j++) { flag[i * p[j]] = 1; if (i % p[j] == 0) break; } } }...
3
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; int num[maxn]; vector<pair<int, int> > edges[maxn]; int dfs(int v, int dad, long long dis) { if (dis > num[v]) return 0; int res = 1; for (int i = 0; i < edges[v].size(); i++) { int vv = edges[v][i].first; int ww = edges[v][i].second...
3
#include<cstdio> const int N = 1000000; int prime[N] = {0},num_prime = 0; int isNotPrime[N] = {1, 1}; int main() { int n; for(long i=2; i<(2<<17); i++) { if(!isNotPrime[i]) prime[num_prime++]=i; for(long j = 0 ; j < num_prime && i * prime[j] < N ; j ++) { i...
0
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> P; ll N; vector<P> A; //(活性度、番号) vector<vector<ll>> dp(2010, vector<ll>(2010, 0)); ll res = 0; int main(){ cin >> N; ll a; for(ll i = 1; i <= N; i++){ cin >> a; A.push_back({a, i}); } sort(A.begin(), A.end()); reverse...
0
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const long long LINF = 0x3f3f3f3f3f3f3f3fll; const long double pi = acos(-1); const int MOD = 1e9 + 7; int get(int n) { int r = 0; while (n) { r += n % 10; n /= 10; } return r; } int main() { int n; cin >> n; set<int> r; f...
1
#include <bits/stdc++.h> const int N = 100010; long long t[N]; long long Ans[N]; long long sum[N]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) scanf("%I64d", &t[i]); std::sort(t + 1, t + n + 1); std::reverse(t + 1, t + n + 1); for (int i = 1; i <= n; i++) sum[i] = sum[i - 1] + t[i]; ...
2
#include<iostream> #include<string> using namespace std; int main() { string s, t; cin >> s >> t; for (int i = 0; i < 111; i++) { s = s.substr(1) + s[0]; if (s == t) { cout << "Yes" << endl; return 0; } } cout << "No" << endl; }
0
#include <bits/stdc++.h> using namespace std; char arr[62]; void def() { int k = 0, l = 0; for (int i = 0; i < 62; i++) { if (i < 26) arr[i] = 'A' + i; else if (i < 52) arr[i] = 'a' + k++; else arr[i] = '0' + l++; } } int main() { def(); int t; cin >> t; while (t--) { int...
4
#include <bits/stdc++.h> using namespace std; const int maxn = 105; bool vis[maxn]; vector<pair<int, int> > g; bool dfs(int node, int t) { if (vis[node]) return false; if (node == t) return true; vis[node] = true; bool ans = false; for (int i = 0; i < (int)g.size(); i++) { int l_atual = g[node].first; ...
5
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e5 + 5; pair<long long, long long> par[MAXN]; vector<pair<long long, long long>> edge; ; long long n, ans; void input(); bool is_lucky(long long a); long long get_par(long long u); void merge(long long u, long long v); void merge1(long long u, long long v)...
5
#include <bits/stdc++.h> using namespace std; int gi() { int res = 0, w = 1; char ch = getchar(); while (ch != '-' && !isdigit(ch)) ch = getchar(); if (ch == '-') w = -1, ch = getchar(); while (isdigit(ch)) res = res * 10 + ch - '0', ch = getchar(); return res * w; } const int MAX_N = 1e6 + 5; int N, flag, ...
6
#include <bits/stdc++.h> using namespace std; long long n, k, p; int main() { long long l, r, i, j, b, ans; cin >> n >> l >> r >> k; p = (r - l + n) % n + 1; if (k - p < 0) { cout << -1 << endl; return 0; } if (k - p == 0) { cout << n - p + 1 << endl; return 0; } if (k - p <= p) { co...
4
#include <bits/stdc++.h> using ll = long long; const ll N = 2 * 1e5 + 5; const ll mod = 1e9 + 7; const ll inf = 1e18; const ll SZ = 101; const double eps = 1e-9; using namespace std; void solve() { ll n, k; cin >> n; vector<pair<ll, ll> > a(n); vector<ll> pfx(n, 0); for (ll(i) = 0; i < (n); i++) cin >> a[i].f...
5
#include <bits/stdc++.h> using namespace std; int main() { int n, a, b, c; cin >> n >> a >> b >> c; cout << max(min(min(a, b) * (n - 1), min(a, b) + (n - 2) * c), 0); }
1
#include <bits/stdc++.h> using namespace std; const int N = 10005; const int inf = 1e9; int n, m, high[N], nxt[N]; int visit[N * 2]; vector<pair<int, int> > E; vector<int> G[N]; struct Dinic { int source, sink, n; struct edge { int to, c, f; edge(int to, int c, int f) : to(to), c(c), f(f) {} }; vector<e...
2
#include <bits/stdc++.h> using namespace std; int main() { long long t, n; char x; cin >> n >> t; if (t == 10 && n == 1) { cout << "-1"; return 0; } if (t == 10 && n > 1) { for (int i = 1; i <= n - 1; i++) { if (i >= 10) { cout << i % 10; } else { cout << i; } ...
1
#include <bits/stdc++.h> using namespace std; int suma[100005], sumb[100005]; int a[100005], n; struct Node { int s, t; } ans[100005]; int num; bool cmp(Node x, Node y) { return x.s < y.s; } int main() { while (scanf("%d", &n) != EOF) { memset(suma, 0, sizeof(suma)); memset(sumb, 0, sizeof(sumb)); for (...
2
#include <bits/stdc++.h> using std::swap; const int maxn = 610, maxm = 200010; int N, n, m, P; int fs[maxn], oth[maxm], next[maxm]; int id[maxn], od[maxn]; bool v[maxn]; int d[maxn][maxn], a[maxn][maxn]; void sol(int x) { if (v[x]) return; v[x] = 1; int i, j, t; for (i = fs[x]; i; i = next[i]) { sol(t = oth...
5
#include <bits/stdc++.h> using namespace std; ifstream fin( "" ".in"); ofstream fout( "" ".out"); const int MAX_N = int(2e5) + 20; int main() { ios_base::sync_with_stdio(false); vector<pair<long long, long long>> seg(MAX_N); map<long long, long long> cnt; int n; cin >> n; for (int i = 0; i <...
3
#include <bits/stdc++.h> using namespace std; int n, t1, ans[1005], cnt; bool used[1005]; char ch; int main() { scanf("%d%c", &t1, &ch); while (ch == ',') { used[t1] = true; scanf("%d%c", &t1, &ch); } used[t1] = true; for (int i = 1; i <= 1000; ++i) { if (used[i]) { for (int j = i; used[j]; ...
3
#include "bits/stdc++.h" #define rep(i, a) for (ll i = 0; i < (a); ++i) #define REP(i, a, b) for (int i = (a); i < (b); ++i) #define FORV(a, A) for (auto &a : A) using namespace std; using ll = long long; using P = pair<int, int>; const ll MOD = 1000000007; void Main() { ll n; cin >> n; vector<ll> C(n); rep(...
0
#include <bits/stdc++.h> using namespace std; int t, x, y, n, k; int main() { cin >> t; while (t--) { cin >> x >> y >> n; k = (n / x * x + y > n) ? n / x - 1 : n / x; cout << k * x + y << "\n"; } return 0; }
1
#include <bits/stdc++.h> using namespace std; const int N = 200 * 1000 + 10; vector<int> g[N]; vector<long long> w[N]; vector<long long> p[N]; long long sum[N]; long long minw[N]; long long maxw[N]; bool ok = true; map<pair<int, int>, long long> delta; void dfs2(int v, int par) { for (int i = 0; i < g[v].size(); i++)...
5
#include <bits/stdc++.h> using namespace std; const int MX = 3e3 + 5, MXX = 23; const long long mod = 1e9 + 7, inf = 1e18 + 6; vector<int> G[MX]; long long dp[MX][MX], sz[MX], par[MXX][MX], hig[MX], mxa, n; void dfs(int u) { for (auto v : G[u]) if (v != par[0][u]) { par[0][v] = u; hig[v] = hig[u] + 1;...
5
#include <bits/stdc++.h> using namespace std; const double EPS = 1e-9; const double PI = 3.14159265359; vector<long long> primes; void GeneratingPrimes(int top) { vector<bool> p(top + 1, 1); p[0] = p[1] = 0; for (int i = 2; i <= sqrt(top); i++) { if (p[i]) { for (int j = i * i; j <= top; j += i) { ...
2
#include <bits/stdc++.h> using namespace std; int solve() { int n, i, j, k, m; cin >> n; vector<int> v(n); for (i = 0; i < n; ++i) cin >> v[i]; set<int> st(v.begin(), v.end()); v.clear(); for (int x : st) v.push_back(x); sort(v.begin(), v.end()); int flg = 1; for (i = 0; i < v.size() - 1; ++i) { ...
2
#include <bits/stdc++.h> using namespace std; const int MAXN = 1 << 20; int tree[2 * MAXN]; int tree_min[2 * MAXN]; int tree_max[2 * MAXN]; void update(int v, int vl, int vr, int tl, int tr, int val) { if (vl > tr || tl > vr) { return; } if (tl <= vl && tr >= vr) { tree[v] += val; return; } int vm...
5
#include <bits/stdc++.h> using namespace std; const int __ = 505; int b[__][10005]; int fi[__]; int xorxy(int n, int m) { int i = 1; for (int j = 1; i <= n && j <= m; j++) { int x = 0; for (int k = i; k <= n; k++) if (b[k][j]) { x = k; break; } if (!x) continue; for (int ...
4
#include <bits/stdc++.h> using namespace std; const double PI = acos(-1.0); const int INF = 1000 * 1000 * 1000 + 7; const long long LINF = INF * (long long)INF; const int MAX = 4 * 1000 * 1000 + 47; const int MIN = 2 * 1000 * 100 + 47; string A[MIN]; string s; int U[MIN]; int U1[MIN]; struct node { int next[2]; int...
4
#include <bits/stdc++.h> using namespace std; int main() { int i, n, m, j; cin >> n >> m; int a1[n]; int a2[m]; for (i = 0; i < n; i++) { cin >> a1[i]; } for (i = 0; i < m; i++) { cin >> a2[i]; } for (i = 0; i < n; i++) { for (j = 0; j < m; j++) { if (a1[i] == a2[j]) { cout <...
1