solution
stringlengths
52
181k
difficulty
int64
0
6
#include <bits/stdc++.h> using namespace std; inline int read(void) { int x = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } return f * x; } const int maxn = 50...
1
#include <bits/stdc++.h> using namespace std; long long po(long long a, long long b) { long long res = 1; while (b) { if (b & 1) { res = (res * a) % 1000000007; } a = (a * a) % 1000000007; b = b / 2; } return res % 1000000007; } long long n, s, f, ans, p, da, arr[100005], l, r; int main() ...
3
#include <bits/stdc++.h> using namespace std; template<typename T> void out(T x) { cout << x << endl; exit(0); } #define watch(x) cout << (#x) << " is " << (x) << endl using ll = long long; const int maxn = 1e5 + 10; const ll inf = 1e10; int n, m; ll a[maxn][2]; // color, val bool viz[maxn]; vector<pair<ll,int...
0
#include <bits/stdc++.h> using namespace std; int main() { int n, k, i, max = 0; cin >> n; int arr[1001] = {0}; for (i = 1; i <= n; i++) { cin >> k; arr[k]++; if (k > max) max = k; } for (i = 1; i <= max - 2; i++) { if ((arr[i] != 0) && (arr[i + 1] != 0) && (arr[i + 2] != 0)) { cout <<...
1
#include <bits/stdc++.h> using namespace std; map<string, string> p, l; int main() { ios::sync_with_stdio(false); int q; cin >> q; string a, b; while (q--) { cin >> a >> b; if (l.find(a) == l.end()) { p[a] = b; l[b] = a; } else { p[l[a]] = b; l[b] = l[a]; p.erase(a); ...
2
#include <bits/stdc++.h> using namespace std; int n; int a[1 << 21], temp[1 << 21]; int mp[1 << 21]; long long ans[22][2]; int mask[22]; void solve(int L, int R) { if (L == R) return; int M = (L + R) / 2; solve(L, M); solve(M + 1, R); int l = L, r = M + 1; int now = mp[R - L + 1]; int i = L; while (l <=...
3
#include <bits/stdc++.h> #define int long long #define double long double #define INF 1e18 using namespace std; signed main() { int H, W, X, Y; cin >> H >> W >> X >> Y; if (H*W%2 == 1 && (X+Y)%2 == 1) { cout << "No" << endl; } else { cout << "Yes" << endl; } }
0
#include <bits/stdc++.h> const int N = 200000 + 10; inline std::pair<int, int> operator+(const std::pair<int, int> &lhs, const std::pair<int, int> &rhs) { return std::pair<int, int>(lhs.first + rhs.first, std::max(lhs.second, rhs.second)); } int n, k, ...
4
#include <bits/stdc++.h> using namespace std; const int maxn = 2111111; long long go(long long n) { while (n % 3 == 0) n /= 3; return n / 3 + 1; } int main() { long long n; cin >> n; cout << go(n) << endl; return 0; }
1
#include <cstdio> #include <cstring> #include <cstdlib> #include <cmath> #include <ctime> #include <cctype> #include <algorithm> #include <random> #include <bitset> #include <queue> #include <functional> #include <set> #include <map> #include <vector> #include <chrono> #include <iostream> #include <limits> #include <n...
0
#include <bits/stdc++.h> using namespace std; int main() { for (int i = 0; i < 10; i++) { if (i == 4) { cout << "normal"; return 0; } cout << i << endl; string s; getline(cin, s); if (s == "great!" || s == "don`t think so" || s == "don`t touch me!" || s == "not bad" || s ==...
2
#include <bits/stdc++.h> int a[105]; int b[105]; int visit[1000055]; int abs(int a) { if (a < 0) a = -a; return a; } int main() { int e, t, i, j, k, pp, sign, sum, n; scanf("%d", &t); for (e = 1; e <= t; e++) { scanf("%d", &n); for (i = 1; i <= n; i++) scanf("%d", &a[i]); memset(visit, 0, sizeof(v...
1
#include <bits/stdc++.h> using namespace std; using int64 = long long; void DBG() { cerr << "]" << '\n'; } template <class H, class... T> void DBG(H h, T... t) { cerr << h; if (sizeof...(t)) cerr << ", "; DBG(t...); } const int MOD = (int)1e9 + 7; int main() { ios_base::sync_with_stdio(0), cin.tie(0); auto so...
5
#include <iostream> #include <cstdio> #include <cstring> #include <cmath> #include <vector> using namespace std; int nodes,u,v,degrees[100005]={},root; long long arr[100005],totaledge[100005]={}; vector <int> node[100005]; bool ans=true; void dfs(int titik,int par) { for(int i=0;i<node[titik].size();i++) if(node[tit...
0
#include <bits/stdc++.h> #pragma GCC optimize("O3", "unroll-loops") using namespace std; using pii = pair<long long, long long>; template <typename T> using prior = priority_queue<T, vector<T>, greater<T>>; template <typename T> using Prior = priority_queue<T>; const long long INF = 1E18; const long long mod = 1E9 + 7;...
3
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout << fixed << setprecision(13); double n, r, ans; cin >> n >> r; ans = r * sin(acos(-1.0) / n) * (1 / (1 - sin(acos(-1.0) / n))); cout << setprecision(7); cout << ans << "\n"; }
3
#include <bits/stdc++.h> using namespace std; const int RLEN = 1 << 20 | 1; inline char gc() { static char ibuf[RLEN], *ib, *ob; (ib == ob) && (ob = (ib = ibuf) + fread(ibuf, 1, RLEN, stdin)); return (ib == ob) ? EOF : *ib++; } inline int read() { char ch = gc(); int res = 0; bool f = 1; while (!isdigit(c...
5
#include <bits/stdc++.h> using namespace std; long long inf = 1LL << 62; int n; long long c, p[100010], s[100010]; long long dp[100010], tmp[100010]; int main() { scanf("%d%lld", &n, &c); for (int i = 1; i <= n; i++) scanf("%lld", &p[i]); for (int i = 1; i <= n; i++) scanf("%lld", &s[i]); for (int j = 0; j <= n...
5
#include <bits/stdc++.h> using namespace std; const long long linf = 1e18 + 5; int mod = (int)1e9 + 7; const int logN = 18; const int inf = 1e9 + 9; const int N = 3003; int n, m, x, y, z, t; vector<int> v[2][N]; vector<pair<int, int> > go[2][N]; int dist[N][N]; pair<int, int> Q[N]; pair<int, pair<pair<int, int>, pair<i...
2
#include <bits/stdc++.h> using namespace std; void solve(); int main() { solve(); return 0; } void solve() { long long int n, l, a[111]; cin >> n >> l; for (long long int i = 0; i < n; ++i) cin >> a[i]; long long int best = 0; for (long long int i = l; i <= 100; ++i) { long long int ans = 0; for (...
3
#include <bits/stdc++.h> using namespace std; int dx[] = {0, 0, 1, -1, 1, 1, -1, -1}; int dy[] = {1, -1, 0, 0, -1, 1, 1, -1}; const int mod = 1e9 + 7; int dcmp(long double x, long double y) { return fabs(x - y) <= 1e-12 ? 0 : x < y ? -1 : 1; } void fast() { std::ios_base::sync_with_stdio(0); cin.tie(NULL); cout...
3
#include <bits/stdc++.h> using namespace std; const int INF = 1e9 + 7; const int N = 1e3 + 10; int main() { int n, m; cin >> n >> m; if (n == 0 && m != 0) { cout << "Impossible" << endl; return 0; } cout << max(n, m) << ' ' << n + max(0, m - 1) << endl; return 0; }
1
#include <iostream> #include <cstring> #include <cstdlib> #include <cstdio> #include <algorithm> using namespace std; const int N = 100010; int a[N], b[N]; int num[N]; int main() { int n, m; scanf("%d %d", &n, &m); int sum = 0; for (int i = 1; i <= m; i++) scanf("%d", &num[i]), sum += (num[i] & 1)...
0
#include <bits/stdc++.h> using namespace std; long long a[202020]; long long f[202020]; int n, m; namespace force { void main() { while (m--) { int op; scanf("%d", &op); if (op == 1) { int x, v; scanf("%d %d", &x, &v); a[x] = v; } else if (op == 2) { int l, r; scanf("%d %...
5
#include <bits/stdc++.h> using namespace std; void computeLPSArray(long long* pat, long long M, long long* lps); int KMPSearch(long long* pat, long long* txt, long long n, long long m) { long long M = m - 1; long long N = n - 1; long long ans = 0; long long lps[M]; computeLPSArray(pat, M, lps); long long i ...
4
#include <bits/stdc++.h> using namespace std; void __print(int x) { cerr << x; } void __print(long x) { cerr << x; } void __print(long long x) { cerr << x; } void __print(unsigned x) { cerr << x; } void __print(unsigned long x) { cerr << x; } void __print(unsigned long long x) { cerr << x; } void __print(float x) { cer...
4
#include <bits/stdc++.h> using namespace std; const int M = 2e6 + 7; int read() { int ans = 0, f = 1, c = getchar(); while (c < '0' || c > '9') { if (c == '-') f = -1; c = getchar(); } while (c >= '0' && c <= '9') { ans = ans * 10 + (c - '0'); c = getchar(); } return ans * f; } long long tot...
5
#include <bits/stdc++.h> using namespace std; const int N = 4000006; using ll = long long; ll f[N]; int main() { ll n, m; while (cin >> n >> m) { for (int i = 1; i <= n; i++) f[i] = 0; f[1] = 1; ll sum = 0; ll sum2 = 0; for (int i = 2; i <= n; i++) { (f[i] += sum) %= m; (f[i] += sum2...
4
#include <bits/stdc++.h> using namespace std; class AKorotkiePodstroki { public: void solve(std::istream& in, std::ostream& out) { int t; in >> t; while (t-- > 0) { string s; in >> s; string r; for (int i = 0; i < s.size(); i += 2) r += s[i]; r += *s.rbegin(); out << r...
1
#include <bits/stdc++.h> using namespace std; int solve(int* arr, int n) { int cnt = 0, head = arr[n - 1]; for (int i = n - 2; i >= 0; --i) { if (arr[i] > head) ++cnt; else { head = arr[i]; } } return cnt; } int main() { int t; cin >> t; while (t--) { int n; cin >> n; i...
2
#include <bits/stdc++.h> using namespace std; const long long int MAX_N = 1e5 + 5; const long long int mod = 1e9 + 7; int a[MAX_N]; int b[MAX_N]; void love() { int n; cin >> n; int flag = -1; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { cin >> b[i]; if (flag != b[i]...
2
#include <algorithm> #include <cassert> #include <cctype> #include <cmath> #include <cstdio> #include <cstdlib> #include <ctime> #include <deque> #include <functional> #include <iomanip> #include <iostream> #include <list> #include <map> #include <queue> #include <random> #include <set> #include <sstream> #include <str...
0
#include <bits/stdc++.h> using namespace std; int func(int b,char s){ if(b==1) return s-'0'; return -(s-'0'); } int main(){ string S; cin>>S; for(int i=0;i<(1<<3);i++){ bitset<3> b(i); //1を+ if(7-(S[0]-'0')==func(b[2],S[1])+func(b[1],S[2])+func(b[0],S[3])){ cout<<S[0]; ...
0
#include <bits/stdc++.h> using namespace std; int a[3001]; int main() { int n, v; cin >> n >> v; long int s = 0; for (int i = 0; i < n; ++i) { int f, b; cin >> f >> b; a[f] = a[f] + b; } for (int i = 1; i < 3005; ++i) { s = s + min(a[i], v); a[i] = a[i] - min(a[i], v); a[i + 1] = a[i...
2
#include <bits/stdc++.h> using namespace std; const int INF = 1000 * 1000 * 1000 + 7; const long long LINF = INF * (long long)INF; const int MAX = 200005; long long T[MAX * 8]; long long lazy[MAX * 8]; vector<pair<int, int> > input(int n) { vector<pair<int, int> > v(n), nv; for (auto &first : v) cin >> first.first ...
3
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long int _; cin >> _; while (_--) { long long int i, n; cin >> n; long long int a[n]; for (i = 0; i < n; i++) { cin >> a[i]; } if (a[0] < a[n - 1]) { cout << ...
3
#include <bits/stdc++.h> using namespace std; int N; char grid[128][128]; int main() { ios_base::sync_with_stdio(false); cin.tie(0), cout.tie(0), cout.precision(15); cin >> N; for (int i = 0; i < N; i++) { for (int j = 0; j < N; j++) { cin >> grid[i][j]; } } vector<int> cols; for (int i = 0;...
1
#include <bits/stdc++.h> using namespace std; int n; vector<int> a; int solve(vector<int>& a, int bit) { if (bit < 0) { return 0; } vector<int> b0, b1; for (int& i : a) { if (((1 << bit) & i) == 0) { b0.push_back(i); } else { b1.push_back(i); } } if (!b0.size()) { return solv...
4
#include <bits/stdc++.h> using namespace std; int main() { long long int n, i, j; cin >> n; vector<long long int> v[n]; long long int a, b, count = 0, temp1, temp2; for (i = 0; i < n; i++) { cin >> a >> b; if (a != b) count++; } if (count > 0) { cout << "Happy Alex"; } else { cout << "Po...
1
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; const int Maxn = 50 + 10; int n, k, cnt; long long f[Maxn][Maxn][2], c[Maxn][Maxn], sum, ans; void assign() { freopen("Ksenia and Combinatorics.in", "r", stdin); freopen("Ksenia and Combinatorics.out", "w", stdout); } void close() { f...
5
#include <bits/stdc++.h> using namespace std; long long bit[123456] = {0}, a[123456]; long long update(long long pos, long long val) { while (pos < 112345) { bit[pos] += val; pos += pos & (-pos); } return 0; } long long query(long long pos) { long long sumi = 0; while (pos > 0) { sumi += bit[pos];...
5
#include <bits/stdc++.h> using namespace std; template <class c> struct rge { c b, e; }; template <class c> rge<c> range(c i, c j) { return rge<c>{i, j}; } template <class c> auto dud(c* x) -> decltype(cerr << *x, 0); template <class c> char dud(...); struct debug { template <class c> debug& operator<<(const c&...
5
#include <stdio.h> int main(void) { int ans = 0, i; char s[20], t[20] = "CODEFESTIVAL2016"; scanf("%s", s); for(i = 0; i < 16; ++i) if(s[i] != t[i]) ++ans; printf("%d\n", ans); return 0; }
0
#include <bits/stdc++.h> using namespace std; long long int getN(long long int sum) { sum = sum * 8; sum = sqrt(sum + 1) - 1; sum /= 2; return sum; } long long int apSum(long long int n) { long long int a = 1, d = 1; long long int res = (2 * a + (n - 1) * d) * n; res /= 2; return res; } long long int gc...
3
#include <bits/stdc++.h> using namespace std; int main() { int numbers; bool alien = false, elephant = false; map<int, int> length; for (int i = 0; i < 6; i++) { cin >> numbers; length[numbers]++; } for (std::map<int, int>::iterator it = length.begin(); it != length.end(); ++it) { if (it-...
1
#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--) { int n, k, d; cin >> n >> k >> d; int trueAns = 0; vector<int> a(n); for (int i = 0; i < n; ++i) cin >> a[i]; if (d == 1) { cout << 1 <<...
2
#include<bits/stdc++.h> using namespace std; bool solve(){ int A,B,C,N,t[1000][3],r[1000]; cin>>A>>B>>C; if(A==0&&B==0&&C==0)return false; cin>>N; for(int i=0;i<N;i++){ for(int j=0;j<3;j++){ cin>>t[i][j]; t[i][j]--; } cin>>r[i]; } int S[1000]=...
0
#include <bits/stdc++.h> using namespace std; void solve() { long long a, b; cin >> a >> b; if (a < b) { cout << 0 << endl; } else if (a == b) { cout << "infinity" << endl; } else { set<long long> sol; for (long long i = 1; i * i <= (a - b); i++) { if ((a - b) % i == 0) { if (i >...
2
#include <bits/stdc++.h> using namespace std; long long int arr[100005], dp[100005]; int main() { long long int n, k; cin >> n >> k; for (long long int i = 1; i < n + 1; i++) cin >> arr[i]; dp[0] = 0; for (long long int i = 1; i < n + 1; i++) { if (arr[i] == 0) { long long int val = (max(1LL, i - k)...
2
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); int a[10][10]; for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { cin >> a[i][j]; } } int x1 = a[0][1] + a[0][2]; int x2 = a[1][0] + a[1][2]; int x3 = a[2][0] + a[2][1]; int y = ...
2
#include<iostream> using namespace std; int main() { int n,i,x,minn=0x7fffffff,cnt=0; cin>>n; for(i=1;i<=n;i++) { cin>>x; if(x<=minn) { minn=x; cnt++; } } cout<<cnt<<endl; return 0; }
0
#include <bits/stdc++.h> long long int M = 1000000007; using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout << setprecision(25); ; long long int T = 1; while (T--) { long long int n, a, b, ans = 1e18, i; cin >> n >> a >> b; long long int arr[6]; for (i =...
2
#include <bits/stdc++.h> const int N = 50; int n, dp[N + 2][N + 2][N + 2][N + 2]; char str[N + 3]; int dfs(int x, int y, int z, int w) { if (~dp[x][y][z][w]) return dp[x][y][z][w]; dp[x][y][z][w] = std::max(z - x + 1, w - y + 1); for (int i = x; i < z; ++i) dp[x][y][z][w] = std::min(dp[x][y][z][w], df...
4
#include<bits/stdc++.h> using namespace std; #define lop(i,n) for(i=0;i<n;i++) #define lop1(i,n) for(ll i=1;i<=n;i++) #define lopr(i,n) for(i=n-1;i>=0;i--) #define ll long long int #define pb push_back #define all(v) v.begin(),v.end() #define IOS ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0) #define endl "\n" #d...
1
#include <bits/stdc++.h> using namespace std; long long int n, x, pos, sm, bg, s, e, mid, ncr[1010][1010], fact[1010]; int main() { for (int i = 0; i < 1010; i++) { for (int j = 0; j <= i; j++) { if (j == 0 || i == j) ncr[i][j] = 1; else ncr[i][j] = (ncr[i - 1][j] + ncr[i - 1][j - 1]) ...
3
#include <bits/stdc++.h> using namespace std; char s[500]; int get(char c) { int q = int(c); return q; } int mirror(int code) { int res = 0; for (int i = 0; i < 8; i++) { if ((code & (1 << i)) != 0) { res |= (1 << (7 - i)); } } return res; } int main() { gets(s); int n = strlen(s); for (...
1
#include <bits/stdc++.h> using namespace std; const int maxlongint = 2147483647; const int biglongint = 2139062143; struct ljb { int dest, flow, cost; ljb *next, *other; } * head[7005], *tail[7005], *p, *pre[7005]; int m, n, uu, rc, fc, ans1, ans2, S, o, v; int a[105][105], biao[105][105], flag[10005], cost[10005],...
3
#include <bits/stdc++.h> using namespace std; int n, m; long long t[1502][1502]; long long dp[1502][1502]; long long pf[1502][1502]; int main() { cin >> n >> m; for (int i = 0; i < n + 1; i++) { for (int j = 0; j < m + 1; j++) { if (i < n && j < m) scanf("%lld", &t[i][j]); dp[i][j] = -(1LL << 62); ...
5
#include <bits/stdc++.h> long long x; int a[100100], b[100100], c[100100], dd[100100], bb[100100], c1[100100], c2[100100], kk[100100], n, d, i, z, xx, j, t1, t2, k, bk, ck; int getNextX() { x = (x * 37 + 10007) % 1000000007; return (int)x; } void initAB() { for (i = 0; i < n; i++) a[i] = i + 1; for (i = 0; ...
2
#include <bits/stdc++.h> int a[105], stor[105]; int main() { int n; scanf("%d", &n); int i; for (i = 0; i < n; i++) scanf("%d", &a[i]); int j, k = 0, max; max = a[2] - a[0]; for (i = 1; i < n - 1; i++) { if (i == 1) { max = a[2] - a[0]; for (j = 2; j < n - 1; j++) { if (a[j + 1] - ...
1
#include <bits/stdc++.h> using namespace std; void Go() { long long int L, R; cin >> L >> R; if (2 * L <= R) cout << L << " " << 2 * L << '\n'; else cout << "-1 -1\n"; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long int t = 1; cin >> t; while (t--) { Go(); }...
1
#include <bits/stdc++.h> using namespace std; int main() { string a, b; cin >> a; int len, res; b = a; len = a.length(); a += a; a.erase(0, 1); res = a.find(b); cout << res + 1; return 0; }
1
#include <bits/stdc++.h> using namespace std; long long segt[((long long)1 << 19) + 5]; long long constr(long long l, long long r, long long mas[], long long pos) { if (l == r) { segt[pos] = mas[l]; return 1; } else { long long mid = (l + r) / 2; long long bij = constr(l, mid, mas, pos * 2 + 1); ...
4
#include<bits/stdc++.h> using namespace std; const int maxn=1e5+10; struct node{ int x,y; node(int a,int b):x(a),y(b){} }; int vis[maxn],f[maxn],l[maxn]; int main(){ int n,k; scanf("%d%d",&n,&k); scanf("%d",&f[1]); for(int i=2;i<=n;++i){ int x; scanf("%d",&x); f[i]=x; vis[x]++; } int ans=0; if(f[1]!=1)...
0
#include<bits/stdc++.h> using namespace std; int main(){ int sx,sy,tx,ty; cin>>sx>>sy>>tx>>ty; cout<<string(tx-sx,'R')+string(ty-sy,'U')+string(tx-sx,'L')+string(ty-sy+1,'D')+string(tx-sx+1,'R')+string(ty-sy+1,'U')+'L'+'U'+string(tx-sx+1,'L')+string(ty-sy+1,'D')+'R'<<endl; }
0
#include <bits/stdc++.h> using namespace std; int main() { vector<int> a, distinct; int x, n; int space; cin >> n >> space; for (int i = 0; i < n; ++i) { cin >> x; a.push_back(x); } distinct.resize(n); space *= 8; int reqd = space / n; if (reqd > 30 or n <= (1 << reqd)) { cout << 0 << '\...
1
#include <bits/stdc++.h> using namespace std; char aaa[33][33] = { 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, ...
2
#define _USE_MATH_DEFINES #include "bits/stdc++.h" using namespace std; #define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i)) #define rep(i,j) FOR(i,0,j) #define each(x,y) for(auto &(x):(y)) #define mp make_pair #define MT make_tuple #define all(x) (x).begin(),(x).end() #define debug(x) cout<<#x<<": "<<(x)<<endl #defi...
0
#include <bits/stdc++.h> using namespace std; const int oo = 1000000000; int n1, n2, xx, yy, m, r, b, Lid[810], Rid[810], idt, S, T, SS, TT, et, be[810], lows, erid[331000], ebid[331000], ansc, answ; char s[810], ans[810]; struct edg { int v, c, w, ne; } e[331000]; inline void adde(int u, int v, int c, int w) { ...
6
#include <bits/stdc++.h> const double pi = 3.1415926535897932384626433832795; bool test(long long x1, long long y1, long long x2, long long y2, long long x3, long long y3) { long long vx1 = x2 - x1; long long vy1 = y2 - y1; long long vx2 = x3 - x1; long long vy2 = y3 - y1; return ((vx1 * vx2 + vy1 *...
3
#include <bits/stdc++.h> using namespace std; long long n, p; bool ok(long long a, int b) { if (a < 0) return 0; if (b > a) return 0; while (a) { if (a % 2) b--; a /= 2; } return b >= 0; } int main() { scanf("%lld%lld", &n, &p); for (int i = 0; i < 100; i++, n -= p) if (ok(n, i)) { print...
1
#include <bits/stdc++.h> using namespace std; const long long MAX = 1e6 + 10; const long long inf = 1e15; long long mod = 1e9 + 7, fac[MAX], a[MAX], b[MAX]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long n, m; long long ans = 0; long long x = 0, y = 0; cin >> n >> m; for (long lon...
2
#include <bits/stdc++.h> using namespace std; string str[10]; int main() { str[0] = "O-|-OOOO"; str[1] = "O-|O-OOO"; str[2] = "O-|OO-OO"; str[3] = "O-|OOO-O"; str[4] = "O-|OOOO-"; str[5] = "-O|-OOOO"; str[6] = "-O|O-OOO"; str[7] = "-O|OO-OO"; str[8] = "-O|OOO-O"; str[9] = "-O|OOOO-"; string input;...
1
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; if (n % 2 == 0) { string a; string x[2]; x[0] = "aa"; x[1] = "bb"; for (int i = 0; 2 * i < n; i++) a += x[i % 2]; string b = a.substr(2); for (int i = 0; i < b.size(); ++i) b[i] += 2; string c = b; for ...
1
#include<bits/stdc++.h> using namespace std; int main(){ int a,b,c; cin >> a >> b >> c; int k,cnt=0; cin >> k; while(a>=b){ b*=2; cnt++; } while(b>=c){ c*=2; cnt++; } if(cnt>k) cout << "No\n"; else cout << "Yes\n"; }
0
#include <bits/stdc++.h> using namespace std; template <typename T, typename U> inline void smin(T &a, U b) { if (a > b) a = b; } template <typename T, typename U> inline void smax(T &a, U b) { if (a < b) a = b; } int power(int a, int b, int m, int ans = 1) { for (; b; b >>= 1, a = 1LL * a * a % m) if (b & 1)...
2
#include <bits/stdc++.h> using namespace std; int main() { int x, y; while (~scanf("%d%d", &x, &y)) { double z = sqrt(x * x * 1.0 + y * y * 1.0); int k = (int)z; if (x > 0 && y > 0 || x < 0 && y < 0) { if (z == k) printf("black\n"); else { if (k & 1) printf("white\n...
1
#include <iostream> #include <vector> #include <unordered_set> #include <algorithm> using namespace std; int n; int in[5100]; unordered_set<int> vs; int Solve(int x, int y) { int d = y - x; if (vs.count(x-d) > 0) return 0; int r = 1; for (int x = y; vs.count(x) > 0; x += d) { r++; } return r; } int ...
0
#include <bits/stdc++.h> using namespace std; #define N 200050 int a[N]; int main(){ int n, k; scanf("%d%d", &n, &k); for(int i = 0; i < n; i ++) scanf("%d", &a[i]); for(int i = k; i < n; i ++){ if(a[i] > a[i - k]) puts("Yes"); else puts("No"); } }
0
#include <bits/stdc++.h> using namespace std; int ts, kk = 1, _DB = 1; inline int LEN(string a) { return a.length(); } inline int LEN(char a[]) { return strlen(a); } template <class T> inline T _abs(T n) { return (n < 0 ? -n : n); } template <class T> inline T _max(T a, T b) { return (a > b ? a : b); } template <cl...
3
#include <bits/stdc++.h> using namespace std; int main() { vector<int> cnt(256, 0); string s; cin >> s; for (auto c : s) cnt[c]++; vector<int> odds; for (char i = 'a'; i <= 'z'; ++i) if (cnt[i] % 2 == 1) odds.push_back(i); int K = odds.size(); for (int i = 0; i < K / 2; ++i) cnt[odds[i]]++, cnt[odds...
3
#include <bits/stdc++.h> using namespace std; const int INF = 2e9 + 7; const int MOD = 1e9 + 7; const int dx[4] = {0, 0, -1, 1}; const int dy[4] = {-1, 1, 0, 0}; const int N = 4e5 + 1; int n, m, p; pair<int, int> a[N], b[N]; struct Data { int x, y, z; Data(int x, int y, int z) : x(x), y(y), z(z) {} }; vector<Data> ...
3
#include <bits/stdc++.h> using namespace std; int main() { (ios_base::sync_with_stdio(false), cin.tie(nullptr)); int t; t = 1; while (t--) { int n, m; string s; cin >> n >> m >> ws; map<string, int> mp; for (int i = 0; i < n; i++) { getline(cin, s); mp[s]++; } int common ...
2
#include <bits/stdc++.h> using namespace std; int main() { std::ios_base::sync_with_stdio(false); cin.tie(0); int t; cin >> t; while (t--) { long long n; cin >> n; long long ans = 0; for (long long p2 = 1; p2 <= n; p2 *= 2) { ans += n / p2; if (p2 > LLONG_MAX / 2) break; } ...
3
#include <iostream> #include <algorithm> #include <cmath> #include <vector> #include <complex> #include <queue> #include <set> #include <map> #include <assert.h> using namespace std; #define REP(i,a,b) for(int i=a;i<(int)b;i++) #define rep(i,n) REP(i,0,n) typedef long long ll; string parse_target; string::const_ite...
0
#include <bits/stdc++.h> using namespace std; int main(){ int n, t, ci, ti, r=1001; cin>>n>>t; while(n--){ cin>>ci>>ti; if(ti<=t && ci<r){ r=ci; } } r<1001?cout<<r:cout<<"TLE"; return 0; }
0
#include <bits/stdc++.h> using namespace std; const int maxint = 2147483647; const int minint = -2147483647; const unsigned int maxunint = 4294967295; const int N = 200000; int h[5005]; int f(int l, int r, int p) { int i, minh = h[l], m = l; for (i = l; i <= r; i++) { if (h[i] < minh) { minh = h[i]; ...
3
#include <bits/stdc++.h> using namespace std; int n; long long ans = 0; long long a[500005]; int c[500005]; long long bit[500005]; vector<long long> b; void add(int k, long long x) { while (k <= n) { bit[k] = (bit[k] + x) % 1000000007; k += k & (-k); } } long long query(int k) { long long sum = 0; while...
6
#include <bits/stdc++.h> size_t gcd(size_t a, size_t b) { while (a && b) { size_t rem = a % b; a = b; b = rem; } return a + b; } long solve(std::vector<size_t> const &len, std::vector<size_t> const &cst) { std::map<size_t, size_t> dt; for (size_t i = 0; i != len.size(); ++i) if (dt.find(len[i]...
2
#include <bits/stdc++.h> using namespace std; int main(){ int N;cin>>N; int P[]={2,3,5,7,11,13,17,19,23,29,31,37,41,43,47}; int L[15];int n; for(int i=0;i<15;i++){ n=N;L[i]=0; while(n>0){ n=n/P[i]; L[i]+=n; } }int id[]={74,24,14,4,2}; int j=0,tem...
0
#include<iostream> using namespace std; int main(){ string s; cin >> s; int x=0; if(s[0]=='R') x++; if(s[1]=='R') x++; else{ x=0; } if(s[2]=='R') x++; if(s[0]=='R' && x==0) x++; cout << x << endl; return 0; }
0
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; vector<vector<int>> b(4, vector<int>(4)); string s; cin >> s; int n = s.length(), i, j, k, l; for (i = 0; i < n; i++) { if (s[i] == '0') { for (k = 0; k < 4; k++) { for...
1
#include <bits/stdc++.h> using namespace std; char s[100010]; char word[100010]; int num[100010]; int change() { int len = strlen(word); if (len < 3) return 0; if (strcmp(word + len - 4, "lios") == 0) return 1; if (strcmp(word + len - 5, "liala") == 0) return -1; if (strcmp(word + len - 3, "etr") == 0) return...
1
#include <bits/stdc++.h> using namespace std; int main() { long long int t, p = 0, c = 0, l; long long int i, n, k; cin >> n >> t; long long int a[200001]; for (i = 0; i < n; i++) { cin >> a[i]; p += a[i]; if (i == 0) k = a[i]; else k = min(k, a[i]); } c = t / p * n; t = t % ...
4
#include <bits/stdc++.h> using namespace std; int n, x, a[3]; int main() { scanf("%d%d", &n, &x); n = n % 6; switch (n) { case 0: a[0] = 0; a[1] = 1; a[2] = 2; break; case 1: a[0] = 1; a[1] = 0; a[2] = 2; break; case 2: a[0] = 1; a[1] = 2; ...
1
#include <bits/stdc++.h> typedef long long LL; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) using namespace std; class UnionFind { std::vector<int> p; public: UnionFind(int n) : p(n, -1) {} int root(int x) { return p[x] < 0 ? x : p[x] = root(p[x]); } bool same(int x, int y) { return...
0
#include <bits/stdc++.h> using namespace std; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); long long rand(long long l, long long r) { uniform_int_distribution<long long> uid(l, r); return uid(rng); } const int N = 5e5 + 5; bool vis[N]; signed main() { ios::sync_with_stdio(0); cin.tie(0);...
6
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<ll, ll> P; #define EACH(i,a) for (auto& i : a) #define FOR(i,a,b) for (ll i=(a);i<(b);i++) #define RFOR(i,a,b) for (ll i=(b)-1;i>=(a);i--) #define REP(i,n) for (ll i=0;i<(n);i++) #...
0
#include <cstdio> #include <algorithm> #include <cstring> using namespace std; typedef long long int64; const int64 MOD = (int64)( 1e9 + 7 ); const int MAX_N = int(1e5); const int MAX_K = int(1e3); struct WarpHole { int sy, sx, gy, gx; WarpHole(){} WarpHole(int sy, int sx, int gy, int gx): sy(sy), sx(sx), gy(g...
0
#include<algorithm> #include<cstdio> int main(){ int sen[10000]; int bit[1024]; int num[1024],s; for(int i=0;i<1024;i++) for(num[i]=0,s=i;s>0;s >>= 1)num[i]+=s&1; int r,c,cc; while(true){ scanf("%d %d",&r,&c); if (!r)break; for(int i=0;i<c;i++) sen[i] = 0; for(int j=0;j<r;j++){ for(int i=0;i<c;i+...
0