solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; cin >> n; int val; map<int, int, greater<int> > mp; for (int i = 1; i <= n; i++) { cin >> val; mp[val]++; } int lim = n / 2; if (mp.size() <= 2) { cout << 0 << " " << ...
1
#include <iostream> int main() { std::ios_base::sync_with_stdio(false); int N, ans = 0; std::cin >> N; while (N > 0) { ans += N % 10; N /= 10; } std::cout << (ans != 1 ? ans : 10) << std::endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; string s[105]; int main() { int n; cin >> n; for (int i = 0; i < n; i++) cin >> s[i]; string h = "12345RGBYW"; int ans = 12; for (int i = 0; i < 1024; i++) { bool f[256] = {}; int cnt = 0; for (int j = 0; j < 10; j++) { if (i & (1 << j)) f[h[j]...
3
#include <bits/stdc++.h> using namespace std; void solve(); long long int power(long long int n, long long int k) { if (k == 0) return 1; if (k % 2) return (n * power(n, k - 1)) % 1000000007; return power((n * n) % 1000000007, k / 2); } long long int gcd(long long int a, long long int b) { return b ? gcd(b, a %...
5
#include <bits/stdc++.h> using namespace std; #define repl(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define rep(i,n) repl(i,0,n) #define mp(a,b) make_pair((a),(b)) #define pb(a) push_back((a)) #define all(x) (x).begin(),(x).end() #define uniq(x) sort(all(x)),(x).erase(unique(all(x)),end(x)) #define fi first #define se...
0
#include <bits/stdc++.h> using namespace std; int main() { int n, c = 1; ; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } sort(a, a + n); for (int i = 1; i < n; i++) { while (a[i] == a[i - 1]) i++; a[c++] = a[i]; } for (int i = 2; i < c; i++) { if ((a[i] == a[i - 1]...
1
#include <bits/stdc++.h> using namespace std; const int MOD = 1000000007; const int INF = 2147483647; const long long LINF = 1e18; const long double PI = 4 * atan((long double)1); template <class T, class S> ostream& operator<<(ostream& os, const pair<T, S>& p) { os << p.first << " " << p.second; return os; } templ...
1
#include <bits/stdc++.h> using namespace std; int main() { long int x; cin >> x; cout << x/500 * 1000 + (x%500)/5 * 5; }
0
#include <bits/stdc++.h> int n, m, s, t, ppl, maxppl, idd; int a[20000], id[20000]; bool inq[20000]; int toInt(int hh, int mm, int ss) { return hh * 3600 + mm * 60 + ss; } int main() { int hh, mm, ss, oldestId, newestId; scanf("%d%d%d", &n, &m, &t); for (int i = 0; i < n; i++) { scanf("%d:%d:%d", &hh, &mm, &s...
4
#include <bits/stdc++.h> using namespace std; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const int n0 = 1003; int n, sz[n0], root, d, mx, h[n0], ep, has[n0], sub; bool flag; vector<int> g[n0], q, can; array<int, 2> cur; void get() { if (q.empty()) return; cout << "? " << (int)(q).size() <<...
6
#include <bits/stdc++.h> using namespace std; const int N = 20; long long dp[N][1 << N]; bool vis[1 << N]; bool Adj[N][N]; int n, m; long long sub; long long solve(int idx, int mask, int p, int st) { if (dp[idx][mask] != -1) return dp[idx][mask]; long long res = 0; for (int u = int(st); u <= int(n); u++) { if...
4
#include <bits/stdc++.h> using namespace std; vector<long long> sq, nsq, cc; int main() { int n, x; scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &x); long long num = (long long)sqrt(x); if (num * num == x) sq.push_back(x); else nsq.push_back(x); } int l1 = sq.size(); ...
5
#include "bits/stdc++.h" using namespace std; int main(){ int a,b;cin>>a>>b; cout<<--a*--b; }
0
#include <bits/stdc++.h> using namespace std; template <typename T> inline bool chkmin(T &a, const T &b) { return b < a ? a = b, 1 : 0; } template <typename T> inline bool chkmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; } const int oo = 0x3f3f3f3f; const int MAXN = 65; map<int, bitset<MAXN << 1> > mp; int n...
5
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using ld = long double; using pi2 = pair<int, int>; using pl2 = pair<ll, ll>; using cpl = complex<ld>; const ld pi = 3.14159265358979323846264338327950288; const ld tau = 2 * pi; const int dx[4] = {0, 1, 0, -1}, dy[4] = ...
5
#include <bits/stdc++.h> int main() { int n, p = 0, q = 0, a = 0, b = 0; int t, x, y; scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d %d %d", &t, &x, &y); if (t == 1) { a = a + x; p++; } else if (t == 2) { b = b + x; q++; } } if (a >= (p * 5)) { printf("L...
1
#include <bits/stdc++.h> using namespace std; int n, m; long long S = 0, f[26][26]; char a[111510], b[111510], c[111510]; int main() { scanf("%s%s%d", a, b, &m); for (int i = 0; i < 26; ++i) { for (int j = 0; j < 26; ++j) f[i][j] = 1ll << 30; f[i][i] = 0; } for (char x[3], y[3]; m--;) { scanf("%s%s%...
2
#include <bits/stdc++.h> using namespace std; int main() { long long n, p; long long d, w; cin >> n >> p >> w >> d; for (long long i = 0; i < w; i++) { if ((p - i * d) % w == 0) { if (p - i * d >= 0 && n - i - (p - i * d) / w >= 0) { cout << (p - i * d) / w << " " << i << " " << n - i - (p - i...
3
#include <bits/stdc++.h> using namespace std; int main() { int tt; cin >> tt; while (tt--) { string k, s; cin >> k >> s; int pos[26]; for (int i = 0; i < 26; i++) { pos[k[i] - 'a'] = i; } int ans = 0; for (int i = 1; i < s.size(); i++) { ans += abs(pos[s[i] - 'a'] - pos[s[i...
1
#include<bits/stdc++.h> using namespace std; int main(){ int n,h,maxh=0,r=0; cin>>n; for(int i=0;i<n;++i){ cin>>h; if(maxh<=h){ r++; maxh=h; } } cout<<r<<endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; void solveA() { int ar[6], n; cin >> n; for (int i = 0; i < n; i++) cin >> ar[i]; sort(ar, ar + n); cout << ar[n / 2]; } void solveB() { int n; cin >> n; vector<pair<int, int>> rez; pair<int, int> ar[102]; for (int i = 1; i <= n; i++) { cin >> ar[i]....
4
#include <bits/stdc++.h> using namespace std; const int mod = 1000000007; struct point { long long x, y; point() {} point(long long _x, long long _y) { x = _x; y = _y; } long long operator^(const point &b) const { return x * b.y - y * b.x; } point operator-(const point &b) const { return point(x - b...
3
#include <bits/stdc++.h> using namespace std; const long long inf = 100000000000000001; const long long mod = 1073741824; long long pow(long long x, unsigned long long y, long long p) { long long res = 1; x = x % p; if (x == 0) return 0; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x ...
2
#include <bits/stdc++.h> #pragma optimizitaion_level 3 #pragma GCC optimize("unroll-loops") #pragma GCC optimize("fast-math") using namespace std; int n, h; vector<int> b; signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> h; b.resize(n); for (auto &i : b) cin >> i; for (in...
2
#include <bits/stdc++.h> using namespace std; const long long N = 1e5 + 7; const long double pi = 3.14159; const long long INF = 1e9 + 7; double ans, realans, a, b, c, d; int main() { ios_base::sync_with_stdio(); cin.tie(0); cout.tie(0); ; srand(time(0)); ; cin >> a >> b >> c >> d; ans = a / b; realan...
2
#include <bits/stdc++.h> using namespace std; int k, c[1005][1005], mod = 1000000007, a[1005], dp[1005]; int add(int a, int b) { long long c = a + b; if (c >= mod) c -= mod; return (int)c; } int main() { c[0][0] = 1; for (int i = 1; i <= 1003; ++i) { c[i][0] = 1; for (int j = 1; j <= i; ++j) { c...
3
#include <iostream> #include <vector> int main() { std::vector <int> v; int N, q, val; std::cin >> N; for (int i = 0; i < N; i++) { std::cin >> q; if (q == 0) { std::cin >> val; v.push_back(val); } else if (q == 1) { std::cin >> v...
0
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; list<char> L; for (int i = 0; i < s.length(); i++) L.push_back(s[i]); list<char>::iterator it1 = L.begin(); list<char>::iterator it2 = L.begin(); ++it2; for (; it2 != L.end();) if (*it1 == *it2) { list<char>::iterat...
1
#include <bits/stdc++.h> using namespace std; const int maxn = 10010, mo[] = {1224469897, 1503325967, 1336143462, 937397015}; const long long MAX = 5000000; const int prime[][7] = {{7, 17, 37, 47, 61, 97}, {11, 13, 41, 43, 67, 89}, {2, 3, 23, 31, 53, 71, 83}, ...
5
#include <bits/stdc++.h> using namespace std; struct Tree { Tree *ls, *rs; int l, r; long long sum; bool same; int x; long long add; Tree() {} ~Tree() { if (ls) delete ls; if (rs) delete rs; } void up() { if (ls->same && rs->same && ls->x == rs->x) { same = 1; x = ls->x; ...
3
#include <bits/stdc++.h> using namespace std; struct fastio { char s[100000]; int it, len; fastio() { it = len = 0; } inline char get() { if (it < len) return s[it++]; it = 0; len = fread(s, 1, 100000, stdin); if (len == 0) return EOF; else return s[it++]; } bool notend() { ...
5
#include <iostream> int main() { int H, W; std::cin >> H >> W; while (H--) { std::string S; std::cin >> S; std::cout << S << "\n" << S << "\n"; } return 0; }
0
#include <bits/stdc++.h> using namespace std; int n, m, c[55][55]; int solve(int a, int b) { int k, t, i, j, sum, min = 100000000; for (k = 1; k <= n - a + 1; k++) for (t = 1; t <= m - b + 1; t++) { sum = 0; for (i = k; i <= a + k - 1; i++) for (j = t; j <= b + t - 1; j++) sum += c[i][j]; ...
2
#include<bits/stdc++.h> using namespace std; const int N=3e5+5; int sum[N]; int main(){ int n,m; scanf("%d%d",&n,&m); for(int i=1;i<=n;++i){ int l,r; scanf("%d%d",&l,&r); sum[l]++; sum[r+1]--; l--; for(int j=1,nxt;j<=l;j=nxt+1){ nxt=min(l/(l/j),r/(r/j)); if(l/j<r/j) sum[j]++,sum[nxt+1]--; } } for(i...
0
#include <bits/stdc++.h> using namespace std; const int INF = 1e9; const int N = 4e2 + 99; const int A = 5; const int B = 4; int pref[N][N], t[N][N]; int n, m; deque<pair<int, int>> q; int ans = INF; void dodaj(int i, int j, int z) { int suma = (pref[j - 1][z - 1] - pref[i][z - 1]); suma += (j - i - 1 - ...
1
#include <bits/stdc++.h> using namespace std; const int MOD = 1e9 + 7; vector<bool> prime(1e6 + 5, true); void SieveOfEratosthenes(long long int n) { prime[0] = false; prime[1] = false; for (long long unsigned int p = 2; p * p <= n; p++) { if (prime[p] == true) { for (long long unsigned int i = p * p; i...
1
#include <bits/stdc++.h> using namespace std; typedef long long lint; const int MAX_N = 100005; int N, Q; lint A[MAX_N], X[MAX_N], S[MAX_N], odd[MAX_N], even[MAX_N]; bool check(int q, int i){ int j = distance(A, lower_bound(A, A+N, 2*X[q]-A[i])); int cnt = i - j; if(A[i]+A[j]>=2*X[q]) cnt++; if(cnt>N-...
0
#include <bits/stdc++.h> using namespace std; int32_t main() { int t; cin >> t; while (t--) { int n, x, sum = 0; cin >> n; for (int i = 0; i < n; i++) cin >> x, sum += x; cout << (sum + n - 1) / n << endl; } }
1
#include <bits/stdc++.h> using namespace std; #define ll long long ll arr[200005]; int main() { ll n, k, x; cin>>n>>k>>x; for(int i=0;i<n;i++){ cin>>arr[i]; } sort(arr, arr+n); std::vector<ll> v; ll cnt=0,xtra=0; for(int i=1;i<n;i++){ ll d=arr[i]-arr[i-1]; if(d>x){ xtra=((d+x-1)/x)-1; v.push_back(x...
3
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 10; int ans, tot, n, q, col[N], f[N], size[N], head[N], to[N << 1], ne[N << 1]; map<int, int> e[N]; struct SGT { int L[N << 2], R[N << 2]; vector<int> v[N << 2][2]; void build(int k, int l, int r) { L[k] = l, R[k] = r; if (l == r) return; ...
6
#include<bits/stdc++.h> #define EPS 1e-10 #define equals(a,b) (fabs((a)-(b)) < EPS) #define rep(i,n) for(int i=0;i<n;++i) typedef long long ll; using namespace std; struct Point { double x,y; Point(){} Point(double x, double y): x(x),y(y){} Point operator+(Point p) {return Point(x+p.x, y+p.y);} Poi...
0
#include <iostream> #include <string> #include <vector> #include <algorithm> using namespace std; int main(){ int n; cin >> n; vector<vector<long int> > a(n, vector<long int>(n)); vector<vector<long int> > p(n, vector<long int>(n, 1)); for(int i=0; i<n; ++i){ for(int j=0; j<n; ++j){ cin >> a[i][j]; } ...
0
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<string> v(n); for (string& s : v) cin >> s; for (char ch = 'a'; ch <= 'z'; ch++) { char bs[100]; const int i = 49; int mn = i, mx = i; string* ps = 0; for (string& s : v) { if (s.empty()) continue; ...
2
#include <bits/stdc++.h> using namespace std; long long md = 998244353; int main() { ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); int test = 1; while (test--) { string s; cin >> s; string t; cin >> t; int i = 0; long long ans[1 + t.length()]; int l = t.length(); while...
3
#include<iostream> #include<cstdio> #include<algorithm> #include<cstring> using namespace std; #define llong long long int T; int n; llong a[220]; llong B[110]; int op[220]; void ins(llong x) { for(int i=61;i>=0;--i) if((x>>i)&1) { if(!B[i]) { B[i]=x; break; } x^=B[i]; } } bool find(llong x) ...
0
#include <bits/stdc++.h> using namespace std; long long Lef[512345], Rig[512345]; char s[512345]; int main() { int n, a, b, T; cin >> n >> a >> b >> T; scanf("%s", s); for (int i = 0; i < n; i++) { if (i == 0) { Rig[i] = s[i] == 'w' ? 1 + b : 1; } else { Rig[i] = Rig[i - 1] + a + 1; if...
2
#include <bits/stdc++.h> using namespace std; const int N = 105; int n, m, L[N][N], R[N][N], f[N][N]; int main() { scanf("%d%d", &n, &m); for (int i = 1, k, l, r; i <= n; i++) { for (scanf("%d", &k); k; k--) { scanf("%d%d", &l, &r); for (int j = l; j <= r; j++) { L[i][j] = l, R[i][j] = r; ...
5
#include <bits/stdc++.h> using namespace std; int n, q; char str[105]; int num[15]; char st[105]; int cp, dp; int l, r; int next(int ty, int x) { int tmp = x; if (ty == 1) { x++; while (x <= r && st[x] == char('0' - 1)) x++; } if (ty == -1) { x--; while (x >= l && st[x] == char('0' - 1)) x--; ...
4
#include <bits/stdc++.h> using namespace std; const int mod = 1000003; const int N = 1000006; long long power(int a, int b, int md) { int res = 1; while (b > 0) { if (b & 1) res = (res * 1LL * a) % md; a = (a * 1LL * a) % md; b /= 2; } return res; } int pr[N]; int main() { long long n, k; scanf(...
5
#include <bits/stdc++.h> using namespace std; int main() { int n, m; cin >> n >> m; int mat[100][100]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { cin >> mat[i][j]; } } int row[100] = {0}, col[100] = {0}, ans = 0; if (m < n) { for (int i = 0; i < m; i++) { int cmin ...
1
#include <bits/stdc++.h> const int MAX = 2e5 + 11; using namespace std; int N, A[MAX], L[MAX], R[MAX], B[MAX]; int main() { scanf("%d", &N); for (int i = 0; i < N; ++i) { scanf("%d", &A[i + 1]); } stack<int> S; for (int i = 1; i <= N; ++i) { while (!S.empty() && A[S.top()] >= A[i]) { S.pop(); ...
4
#include <bits/stdc++.h> using namespace std; const int N = 2 * 1e5 + 5; int a[N], n, d, dep[N], y, mx; vector<int> vec[N]; void dfs(int x, int pa) { if (pa == -1) dep[x] = 0; else { if (a[x] == a[pa]) dep[x] = dep[pa]; else dep[x] = dep[pa] + 1; } if (dep[x] > mx) { mx = dep[x]; ...
5
#include<iostream> #include<math.h> #include<algorithm> #include <stdlib.h> using namespace std; long long a[300002]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int T; int n; long long m, ans; cin >> T; while (T--) { cin >> n; ans = 0; m = 0; for (int i = 0; ...
2
#include <bits/stdc++.h> using namespace std; #include <bits/stdc++.h> using namespace std; template <typename T, class F = function<T(const T&, const T&)>> class SparseTable { public: int n; vector<vector<T>> sp; F func; SparseTable(const vector<T> &a , const F& f) : func(f) { n = static_c...
6
#include <bits/stdc++.h> using namespace std; int main() { int n, t, c = 0, ans; bool b = 0; cin >> n >> t; for (int i = 0; i < n; i++) { int x; cin >> x; if (!b && c + 86400 - x >= t) { b = 1; ans = i + 1; } else c += (86400 - x); } cout << ans; return 0; }
1
#include <bits/stdc++.h> using namespace std; int f[409][409]; char s[409], t[409]; int main() { int T, i, j, k, n, m; scanf("%d", &T); while (T--) { scanf("%s%s", s + 1, t + 1), n = strlen(s + 1), m = strlen(t + 1); for (i = 1; i <= m; ++i) { for (j = 1, k = 1; j <= n; ++j) { while (j <= n ...
5
#include <bits/stdc++.h> using namespace std; const int MM = 320000; const int LE = 1100000; long long da[110000]; int main() { std::ios::sync_with_stdio(false); std::cin.tie(0); int q; cin >> q; while (q-- != 0) { int n, m; cin >> n >> m; vector<string> vs(n); for (int i = 0; i < n; i++) cin ...
2
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; struct matrix { long long a[128][128]; }; void mul(const matrix &a, const matrix &b, matrix &c, int ogr) { for (int i = 0; i <= (ogr); ++i) for (int j = 0; j <= (ogr); ++j) { c.a[i][j] = 0; for (int l = 0; l <= (ogr); ++l) { ...
5
#include <iostream> #include <vector> using namespace std; typedef long long ll; int main() { int n; cin >> n; vector<ll> la(n); for (ll &a: la) cin >> a; ll x = la[0]; for (int i = 1; i < n; ++i) { if (i % 2) x -= la[i]; else x += la[i]; } cout << x; for (int i = 0; i < n-1; ++i) { x = 2...
0
#include<bits/stdc++.h> using namespace std; #define int long long typedef vector<int> arr; typedef vector<arr> mat; inline mat mul(mat a,mat b,int mod){ if((int)a.size()==1&&(int)a[0].size()==1){ mat res(b); for(int i=0;i<(int)b.size();i++) for(int j=0;j<(int)b[i].size();j++) (res[i][j]*=a[0][0])%=mod...
0
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 7; const int p = 131; int n; bool ok[N][20]; int sum[N][26]; long long del[N], add[N][26]; unsigned long long h[N], pw[N]; char s[N]; inline unsigned long long calc(int l, int r) { return h[r] - h[l - 1] * pw[r - l + 1]; } inline int find(int a, int b)...
5
#include<iostream> #include<vector> #include<algorithm> using namespace std; long long mod=1e9+7; long long power(long long a,long long b) { return b?power(a*a%mod,b/2)*(b%2?a:1)%mod:1; } long long M; string C; long long P[1<<17]; long long c[1<<17]; long long X[10]; int main() { cin>>M>>C; if(C.size()==1) { if(M...
0
#include <bits/stdc++.h> using namespace std; int n; int main() { cin >> n; for (int i = 0; i < n; i++) cout << (i & 1); return 0; }
2
#include <bits/stdc++.h> using namespace std; long long tree[400009]; int mv[400009]; void build(int s, int t, int start) { if (s == t) { cin >> tree[start]; mv[start] = tree[start]; return; } int mid = (s + t) / 2; build(s, mid, start * 2); build(mid + 1, t, start * 2 + 1); tree[start] = tree[s...
4
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 1; const int K = 666; static int cnt[N], ans, _ans[N]; int main() { int n, q; cin >> n >> q; int a[n]; for (int i = 0; i < n; ++i) cin >> a[i]; int l[q], r[q], mo_l = 0, mo_r = 0; for (int i = 0; i < q; ++i) cin >> l[i] >> r[i], --l[i]; int...
2
#include<iostream> #include<vector> #include<string> #include<algorithm> using namespace std; int main() { vector<string> vs; vs.push_back("1111110"); vs.push_back("0110000"); vs.push_back("1101101"); vs.push_back("1111001"); vs.push_back("0110011"); vs.push_back("1011011"); vs.push_back("1011111");...
0
// B. #include <iostream> #include <algorithm> #include <vector> using namespace std; typedef long long LL; int main(int argc, char *argv[]) { int n, k; cin >> n >> k; int sz = (n * (n + 1)) / 2; vector<LL> a(n), v(sz); for (int i = 0; i < n; ++i) { cin >> a[i]; } int si = 0; for (int i = 0; i < n; ++i) {...
0
#include <bits/stdc++.h> using namespace std; long long k, n, res; int main() { scanf("%I64d %I64d", &n, &k); while (n % 5 == 0 && res < k) { n /= 5; res++; } res = 0; while (n % 2 == 0 && res < k) { n /= 2; res++; } cout << n; while (k--) printf("0"); return 0; }
1
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); int n, k; cin >> n >> k; int a[n + 1], b[10] = {0}, ans = 0; for (int i = 1; i < n + 1; i++) { cin >> a[i]; ans = ans + a[i] / 10; b[10 - (a[i] % 10)]++; } for (int i = 1; i < 10; i++) { while (k >...
3
#include <iostream> #include <algorithm> #include <string> #include <vector> #include <stack> #include <queue> #include <cstring> #include <climits> #include <cmath> #include <cfloat> #define FOR(i,b,n) for(int i=b;i<n;i++) #define REP(i,b,n) for(i=b;i<n;i++) #define CLR(mat) memset(mat, 0, sizeof(mat)) using namespa...
0
#include <bits/stdc++.h> const int N = 2e5 + 10; int n, u, v, cnt, d[N], parent[N]; std::set<std::pair<int, int> > far; std::vector<int> graph[N]; void dfs(int v) { if (d[v] > 2) far.insert({d[v], v}); for (int u : graph[v]) { if (d[u] < 0) { d[u] = d[v] + 1; parent[u] = v; dfs(u); } } }...
5
#include <bits/stdc++.h> using namespace std; const int MAXB = 1e7; char buf[MAXB], *cp = buf; inline void rd(int &x) { x = 0; int f = 1; while (*cp < '0' || '9' < *cp) { if (*cp == '-') f = -1; cp++; } while ('0' <= *cp && *cp <= '9') x = (x << 3) + (x << 1) + *cp - 48, cp++; x *= f; } const int MA...
6
#include <iostream> #include <algorithm> #include<cmath> #include<cstring> #include<cstdio> #include<cstdlib> #include<vector> #include<iomanip> #include<ctime> #include<set> #include<map> #include<queue> #include<stack> #include<bitset> #define sqr(x) ((x)*(x)) #define fz1(i,n) for ((i)=1;(i)<=(n);(i)++) #define fd1(i...
0
#include <bits/stdc++.h> using namespace std; const long long INF = 2e17; long long MOD = 1e9 + 7; long double eps = 1e-15; long long m[100008]; pair<long long, long long> dp[41][100005]; bool vis[100005]; long long a, b; long long n; pair<long long, long long> DP(long long x, long long sum) { if (sum >= a) return {0...
4
#include <bits/stdc++.h> using namespace std; const int N = 1005; const int U = 700; const int S = 305; const int L = 1e6 + 5; const int dx[4] = {0, 1, 0, -1}; const int dy[4] = {1, 0, -1, 0}; const int ch[4] = {'U', 'R', 'D', 'L'}; int block[N][N], last[N][N]; pair<int, int> q[N * N]; void go(int x, int y, int S, int ...
5
#include <bits/stdc++.h> using namespace std; int main() { long long n; cin >> n; long long b[n + 1], a[n + 1]; for (long long i = 1; i <= n; i++) { cin >> b[i]; } a[1] = b[1]; long long maxn = a[1]; for (long long i = 2; i <= n; i++) { maxn = max(maxn, a[i - 1]); a[i] = b[i] + maxn; } f...
2
#include<iostream> using namespace std; int main() { int n; cin>>n; if(n<1200)cout<<"ABC"; else if(n<2800)cout<<"ARC"; else cout<<"AGC"; return(0); }
0
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:256000000") using namespace std; const int maxN = 110000; int n, m, a[maxN]; int killers[maxN], nonkillers[maxN]; int candidates[maxN]; int main() { scanf("%d%d", &n, &m); int s = 0; for (int i = 1; i <= n; ++i) { scanf("%d", &a[i]); if (a[i] > 0) {...
2
#include<bits/stdc++.h> using namespace std; int main(){ int a,b; cin>>a>>a>>b; cout<<((a*10+b)%4==0?"YES":"NO")<<endl; return 0; }
0
#include <stdio.h> constexpr int N = 1e5; char vS[N+3], vT[N+3]; constexpr short K = 'A' - 1; int main(void){ int i, q;char c1, c2; scanf("%s%s", vS+1, vT+1); vS[0] = 0; i = 1; while(vS[i] != '\0') {(vS[i] += vS[i-1] - K) %= 3; i++;} vT[0] = 0; i = 1; while(vT[i] != '\0') {(vT[i] += vT[i-1] - K) %= 3;...
0
#include <bits/stdc++.h> using namespace std; struct node { int x, y, step; } que[100005 * 2]; int n, k; int vis[2][100005], dir[3][2] = {{1, 0}, {-1, 0}}; char wall[2][100005]; bool bfs() { int f, r; node p, q; memset(vis, 0, sizeof(vis)); dir[2][0] = k; dir[2][1] = 1; f = 0, r = 1; while (f < r) { ...
4
#include <bits/stdc++.h> using namespace std; const long long inf = 0x3f3f3f3f3f3f3f3f; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ; long long n; cin >> n; long long a = 0, b = 0; long long ans = 0; vector<pair<long long, long long> > v(n); for (long long i = 0; i ...
2
#include <bits/stdc++.h> using namespace std; const int mx = 1e6 + 5; int par[mx], rnk[mx]; void init(int n) { for (int i = 0; i < n; i++) par[i] = i, rnk[i] = 0; } 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); ...
6
#include <bits/stdc++.h> using namespace std; const int nm = 100010; const long long inf = 1000000000; int n; map<int, int> vt; vector<pair<int, int> > xxx; vector<int> total; set<int> val; map<int, int> newval; int tree[2 * nm]; int demBeHon(int x) { int l = 0, r = (int)total.size() - 1, kq = total.size(); while (...
5
#include <bits/stdc++.h> using namespace std; template <class T> T gcd(T a, T b) { return b ? gcd(b, a % b) : a; } template <class T> void chmax(T& a, T b) { a = max(a, b); } template <class T> void chmin(T& a, T b) { a = min(a, b); } int dpl[4320][4320]; int dpr[4320][4320]; int ls, rs; int n, p, c, h, t, qq, a,...
6
#include <bits/stdc++.h> using namespace std; const long long int mod = (long long int)1e9 + 7; const long long int inf = 1e18; int solve() { long long int n; cin >> n; vector<long long int> v(n + 11); for (long long int i = 2; i <= n; i++) { cin >> v[i]; } vector<long long int> ans; while (n > 0) { ...
1
#include <bits/stdc++.h> #define rep(i,n)for(int i=0;i<(n);i++) using namespace std; typedef long long ll; typedef pair<int,int>P; const int INF=0x3f3f3f3f; const ll INFL=0x3f3f3f3f3f3f3f3f; const int MOD=1000000007; ll dp[200][2][5]; int main(){ string s;int K;cin>>s>>K; dp[0][0][0]=1; rep(i,s.size())rep(j,2)rep(...
0
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:1024000000,1024000000") using namespace std; const int N = 1 << 6 | 1; const int inf = 0x3f3f3f3f; const long long oo = 0x3f3f3f3f3f3f3f3fll; int n, m; int dp[41][N][N], w[N]; int dfs(int a, int nw, int sp) { if (a == n + 1) return (sp == 0) ? 0 : inf; int &r...
3
#include <bits/stdc++.h> using namespace std; int main() { long long n, width[201010], height[201010], max1 = 0, i, max2 = 0, prefeixsum[201010], flag = 0, wid, hit, ans; cin >> n; width[0] = 0; for (i = 1; i <= n; i++) cin >> width[i] >> height[i]; max1 = height[1]; long long pos = 1; for (i = 2; i...
2
#include <bits/stdc++.h> using namespace std; int n, m; int x, y; string s; class SegmentTree { private: vector<int> st, a, b, c; int left(int p) { return (p << 1); } int right(int p) { return (p << 1) + 1; } void build(int p, int l, int r) { if (l == r) { if (s[l] == '(') { st[p] = 0; ...
3
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; long long x, y, n, i, ans; typedef struct { long long a, b; } pp; pp p[N]; bool compa(pp ta, pp tb) { return abs(ta.a) + abs(ta.b) < abs(tb.a) + abs(tb.b); } int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> n; for (i = 0; i < n...
3
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e7 + 5; const int maxn = 1e4 + 5; int main() { int i, j, k, l, n, temp[maxn]; while (scanf("%d", &n) != EOF) { for (i = 1; i <= n; i++) { k = 0; for (j = i; j <= (n * n / 2); j += n) { if (j == i) printf("%d", j); ...
1
#include <bits/stdc++.h> using namespace std; int main() { int n; scanf("%d", &n); vector<pair<int, int>> a; for (int i = 0; i < n; i++) { int t1, t2; scanf("%d %d", &t1, &t2); a.push_back(make_pair(t1, t2)); } sort(a.begin(), a.end()); int ans = 0, mx = a[0].second; for (int i = 1; i < n; i...
3
#include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=int(a);i<int(b);i++) #define REP(i,b) FOR(i,0,b) using vi=vector<int>; #define PB push_back #define ALL(x) x.begin(),x.end() //#define LN cerr<<__LINE__<<endl #define LN 0 using pi=pair<int,int>; int read(){ int i; scanf("%d",&i); return i; }...
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int t, n, x, a, b; cin >> t; while (t--) { int d; cin >> n >> x >> a >> b; if (a > b) { d = a; a = b; b = d; } if ((a - 1) > x) { a -= x; ...
1
#include <bits/stdc++.h> using namespace std; struct node { node *next; int nodeIndex; node(node *next, int index) { this->next = next; this->nodeIndex = index; } }; node *nodeArr[300001]; vector<int> path; void pathDfs(int x, int y, bool *visited, bool &pathFound) { node *src = nodeArr[x]; visited[...
3
#include <bits/stdc++.h> int main() { int t; scanf("%d", &t); while (t--) { int n; scanf("%d", &n); int k; int a[n]; for (k = 0; k < n; k++) scanf("%d", &a[k]); int p = n - 2; int i, j; for (i = 0; i < p; i++) { for (j = i + 2; j < n; j++) { if (a[i] == a[j]) { ...
2
#include <bits/stdc++.h> using namespace std; inline int gi() { int x = 0, f = 1; char ch = getchar(); while (!isdigit(ch)) { if (ch == '-') f = -1; ch = getchar(); } while (isdigit(ch)) { x = (x << 3) + (x << 1) + ch - 48; ch = getchar(); } return x * f; } template <typename T> inline boo...
5
#include<bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) using namespace std; typedef vector<int> vi; const int INF = 1e9; //Segment Tree class SegmentTree{ public: int n; vi node; vi ofset; SegmentTree(vi a){ int n_ = a.size(); n=1; while(n<n_)n*=2; node = vi(2*n-1, INF); for...
0
#include <bits/stdc++.h> using namespace std; const int maxn = 200005; vector<int> sosedi[maxn]; int parent[maxn], shagi[maxn], start[maxn], finish[maxn], n; bool visit_vertex[maxn]; void dfs(int v, int predok) { parent[v] = predok; shagi[v] = shagi[predok] + 1; for (auto p : sosedi[v]) if (p != predok) dfs(p...
6