solution
stringlengths
53
181k
difficulty
int64
0
27
#include <bits/stdc++.h> using namespace std; inline int SG(double x) { return x > -1E-8 ? x < 1E-8 ? 0 : 1 : -1; } long long gcd(long long a, long long b) { while ((a %= b) && (b %= a)) ; return a + b; } int main() { long long a, b, i, j, d, sa; scanf("%I64d %I64d", &a, &b); d = a * b / gcd(a, b); sa =...
7
#include <bits/stdc++.h> using namespace std; vector<unsigned long long> a, b; int main() { unsigned long long n, ap, m = 0, k, j = 0; cin >> n; for (unsigned long long i = 0; i < n; i++) { cin >> ap; a.push_back(ap); } for (unsigned long long i = 0; i < n; i++) { cin >> ap; b.push_back(ap); ...
5
#include <bits/stdc++.h> const int maxn = 2000002; int a[maxn + 1]; int main() { int n, q, res = 0; scanf("%d", &n); while (n--) { scanf("%d", &q); a[q]++; } for (int i = 0; i < maxn; i++) { a[i + 1] += a[i] >> 1; a[i] &= 1; if (a[i]) res++; } printf("%d\n", res); return 0; }
7
#include <bits/stdc++.h> using namespace std; vector<int> v; void div_p(int n) { int i, sq, j; sq = sqrt(n); for (i = 1; i <= sq; i++) { if (n % i == 0) { if ((n / i) == i) v.push_back(i); else { v.push_back(i); if ((n / i)) v.push_back(n / i); } } } sort(v.be...
5
#include <bits/stdc++.h> using namespace std; char s[4004000]; int main() { scanf("%s", s); long long n = strlen(s); long long res = n * (n - 1) / 2; for (int i = 0; i < n; i++) { for (int j = i + 1; j < n; j++) { bool ok = 1; for (int k = i; k < j; k++) { if (s[j] == s[k]) { i...
11
#include <bits/stdc++.h> #pragma G++ optimize "O2" #pragma GCC optimize "O2" #pragma G++ optimize "O3" #pragma GCC optimize "O3" #pragma G++ optimize "Ofast" #pragma GCC optimize "Ofast" using namespace std; int T; int K; const int maxn = 1000010; char S[maxn], a[maxn], b[maxn]; char mp[30]; int len; char nowstr[maxn];...
15
#include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f; const double eps = 1e-8; long long int n, k, p; long long int a[10005], b[10005]; bool used[10005]; bool check(long long int t) { memset(used, 0, sizeof(used)); int lo = 0; int cnt = 0; for (int i = 0; i < n; ++i) { while (lo < k) { ...
10
#include <bits/stdc++.h> using namespace std; string str[] = {"S", "M", "L", "XL", "XXL"}; int main() { int size[5], k; int v[5][5] = {{0, 1, 2, 3, 4}, {1, 2, 0, 3, 4}, {2, 3, 1, 4, 0}, {3, 4, 2, 1, 0}, {4, 3, 2, 1, 0}}; for (int i = 0; i < 5; i+...
3
#include <bits/stdc++.h> using namespace std; const int N = 1000010; int _w; int n, m, nid = 1; vector<pair<int, int> > a[N]; namespace DSU { int pa[N]; void init() { for (int i = 1; i < nid; ++i) pa[i] = i; } int find(int u) { return u == pa[u] ? u : pa[u] = find(pa[u]); } void link(int u, int v) { u = find(u), v ...
14
#include <bits/stdc++.h> #pragma warning(disable : 4996) using namespace std; using ld = long double; template <class T> using Table = vector<vector<T>>; const ld eps = 1e-9; template <class S, class T> ostream &operator<<(ostream &os, const pair<S, T> v) { os << "( " << v.first << ", " << v.second << ")"; return o...
17
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e5 + 10; const int MAXK = 1e4 + 10; const long long INF = 1e18; long long h, k; int n, m; long long Min[MAXK]; bool used[MAXK]; vector<long long> Edges; vector<pair<long long, int> > mod[MAXK]; set<pair<long long, int> > Set; bool mrk[MAXN]; bool done[MAXN...
17
#include <bits/stdc++.h> using namespace std; template <class A, class B> ostream& operator<<(ostream& out, const pair<A, B>& a) { return out << "(" << a.first << "," << a.second << ")"; } template <class A> ostream& operator<<(ostream& out, const vector<A>& a) { out << ""; for (auto it = a.begin(); it != a.end()...
8
#include <bits/stdc++.h> using namespace std; long long INF = 9223372036854775807; int md = 100000000; const int WHITE = 0; const int BLACK = 1; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int l = 0, r = 1e9; int n = 0; string color; int START = 0; cin >> n; cout << l << " " <<...
11
#include <bits/stdc++.h> #pragma GCC target("avx2") #pragma GCC optimization("O3") #pragma GCC optimization("unroll-loops") using namespace std; const long long MAX_SIZE = 100001; vector<long long> isprime(MAX_SIZE, true); vector<long long> prime; vector<long long> SPF(MAX_SIZE); int getSetBitsFromOneToN(int N) { int...
0
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:33554432") using namespace std; const double PI = 2 * acos(0.0); const double EPS = 1e-8; const int INF = (1 << 30) - 1; struct func { string name; vector<string> partypes; }; int n, tc; func f[1000]; map<string, int> name2f; map<string, string> var2type; cha...
10
#include <bits/stdc++.h> using namespace std; const int MAXN = 6005; bool u[MAXN * MAXN / 2]; int prm[MAXN * MAXN / 10], top = 0; int n; int ans[MAXN]; void prepare() { u[1] = true; for (int i = 2; i <= n * (n + 1) / 2; i++) { if (!u[i]) prm[++top] = i; for (int j = 1; j <= top && prm[j] * i <= n * (n + 1) ...
14
#include <bits/stdc++.h> using namespace std; long long int power(long long int x, long long int y) { if (y == 0) return 1; long long int d = power(x, y / 2) % 1000000007; if (y % 2 == 0) return (d * d) % 1000000007; else return (((x * d) % 1000000007) * d) % 1000000007; } int bit[8]; int vis[8]; int tm...
7
#include <bits/stdc++.h> using namespace std; int main() { int t; cin >> t; while (t--) { int n; cin >> n; vector<int> val(n); for (int i = 0; i < n; i++) { cin >> val[i]; } sort(val.begin(), val.end()); for (int i = val.size() - 1; i >= 0; i--) cout << val[i] << ' '; cout <<...
2
#include <bits/stdc++.h> using namespace std; template <typename T, typename S> ostream &operator<<(ostream &os, const pair<T, S> &p) { return os << "(" << p.first << ", " << p.second << ")"; } template <typename C, typename T = decay<decltype(*begin(declval<C>()))>, typename enable_if<!is_same<C, string>::...
15
#include <bits/stdc++.h> using namespace std; const int sz = 3e5 + 100, inf = -1e9 - 100; vector<int> a, sum, g[sz]; int dfs(int v, int p, int d) { int curres = inf; for (int i = 0; i < g[v].size(); i++) if (g[v][i] != p) curres = max(dfs(g[v][i], v, d + 1), curres); if (d >= 2) return max(curres, a[v] + ...
11
#include <bits/stdc++.h> using namespace std; long long int mod_print(long long int x) { if (x < 0) { while (x < 0) x += 1000000007; return x % 1000000007; } return x % 1000000007; } long long int pairs(long long int x) { return (x * (x - 1)) / 2; } int main() { ios_base::sync_with_stdio(false); cin.t...
3
#include <bits/stdc++.h> using namespace std; char atlas[2010][2010]; int d[4][2] = {0, 1, 0, -1, 1, 0, -1, 0}; char tag[4] = {'>', '<', 'v', '^'}; int deg[2010][2010]; queue<pair<int, int> > q; inline bool judge(int i, int j, int n, int m) { return i >= 0 && i < n && j >= 0 && j < m && atlas[i][j] == '.'; } void MAI...
12
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast", "unroll-loops") const int MAXN = 1e6 * 2; bool us[MAXN]; vector<int> arr; int n, a, b; int dp[1 << 6]; int main() { ios_base::sync_with_stdio(false); cin >> n >> a >> b; vector<int> c = {a, a, a, a, b, b}; for (int i = 1; i < (1 << 6); ...
8
#include <bits/stdc++.h> using namespace std; long long read() { long long s = 0, w = 1; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') w = -w; ch = getchar(); } while (ch >= '0' && ch <= '9') { s = (s << 1) + (s << 3) + (ch ^ '0'); ch = getchar(); } return s * w; } lon...
17
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); int n, i, j, k; string s, t; vector<int> ans; bool solved = true; cin >> n >> s >> t; for (i = 0; i < n; i++) { bool matched = false; for (j = i; j < n; j++) { if (s[j] == t[i]) { ma...
4
#include <bits/stdc++.h> using namespace std; int main() { int k; cin >> k; string s; cin >> s; string temp = s; for (int i = 1; i < k; i++) s += temp; int t; cin >> t; map<char, vector<int> > myMap; for (int i = 0; i < s.length(); i++) myMap[s[i]].push_back(i); while (t--) { int x; char c...
6
#include <bits/stdc++.h> using namespace std; long long i, n, x0, a, b, p1 = 1000000009, p2; int main() { cin >> n >> x0; for (i = 1; i <= n; i++) { cin >> a >> b; if (b < a) swap(a, b); p1 = min(p1, b); p2 = max(p2, a); } if (p1 < p2) { cout << "-1" << endl; return 0; } if (p1 >= x0...
2
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); long long n, x, k; cin >> n >> x >> k; vector<long long> a(n); for (auto& ai : a) cin >> ai; sort(begin(a), end(a)); auto get = [&](long long from, long long to) -> int { if (from > to) return 0; ...
9
#include <bits/stdc++.h> using namespace std; const long long N = 1e6 + 10; const long long MOD = 1e9 + 7; long long n, k; bool isPrime[N]; vector<long long> primes; void buildSieve() { for (long long i = 2; i < N; i++) isPrime[i] = 1; for (long long i = 2; i * i < N; i++) { if (not isPrime[i]) continue; fo...
13
#include <bits/stdc++.h> using namespace std; long long n, a[100003], ans = 0, sum = 0, k = 0, r = 0; signed main() { cin >> n; for (long long i = 1; i <= n; i++) { cin >> a[i]; sum += a[i]; } if (sum % 3 != 0) { cout << 0; return 0; } else sum /= 3; for (long long i = 1; i <= n - 1; i++...
4
#include <bits/stdc++.h> using namespace std; int norton(int n) { for (int i = 0; i <= n / 4; ++i) { if ((n - i * 4) % 7 == 0) { return i; } } return -1; } int main() { int n, p; cin >> n; p = norton(n); if (p == -1) { puts("-1"); } else { for (int i = 0; i < p; ++i) { putcha...
2
#include <bits/stdc++.h> using namespace std; int mcount(char mychar, char c) { int next, prev; next = max(mychar, c) - min(mychar, c); prev = (min(mychar, c) - max(mychar, c)) + 26; return min(prev, next); } int main() { int n; string s; cin >> n >> s; int mini = 1000; for (int i = 0; i < n - 3; i++)...
2
#include <bits/stdc++.h> using namespace std; const int maxn = 70; const int maxk = 1e3 + 10; int n, m, r, a, s, t, k; int d[maxn][maxn][maxn]; int dp[maxk][maxn][maxn]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); memset(dp, 63, sizeof(dp)); cin >> n >> m >> r; for (int i = 1; i <= m...
10
#include <bits/stdc++.h> long long a, b, c, l; long long all; inline long long min(long long a, long long b) { return a < b ? a : b; } inline long long max(long long a, long long b) { return a > b ? a : b; } long long calc(long long a, long long b, long long c) { long long res = 0; for (long long i = max(0, b + c -...
13
#include <bits/stdc++.h> using namespace std; int main() { int n, k; cin >> n >> k; int ans; int arr[4] = {1, 2, 3, 5}; cout << k * (5 + 6 * (n - 1)) << endl; for (int i = 0; i < n; i++) { for (int j = 0; j < 4; j++) { cout << k * (arr[j] + 6 * i) << ' '; } cout << endl; } }
11
#include <bits/stdc++.h> #pragma comment(linker, "/STACK:256000000") using namespace std; int n, m, a[370009], v[370009][5]; class dual { public: int a, b; dual() { b = rand(); } }; int operator<(const dual& s, const dual& d) { return ((s.a < d.a) || (s.a == d.a) && (s.b < d.b)); } void peres(int i) { int j = ...
14
#include <bits/stdc++.h> using namespace std; int main() { int n, k, minm = 0, siz = 0, j = 0; scanf("%d%d", &n, &k); int z; int arr[n]; set<int> st; for (int i = 0; i < n; i++) { scanf("%d", &z); st.insert(z); if (siz < st.size()) { siz++; arr[j++] = z; } } sort(arr, arr + j...
2
#include <bits/stdc++.h> using namespace std; int n, a[2], b[2], i; int main() { cin >> n; while (a[0] * a[1] < 2) { cin >> n; b[n % 2] = ++i; a[n % 2] += 1 - a[n % 2] / 2; } cout << b[a[0] - 1]; }
5
#include <bits/stdc++.h> using namespace std; struct node { int x, y; bool operator<(const node &A) const { return x > A.x; } } ans[100005]; int x[100005], y[100005]; priority_queue<node> Q[100005 << 1]; int main() { int n; scanf("%d", &n); for (int i = 1; i <= n; i++) { int x, y; scanf("%d %d", &x, &...
9
#include <bits/stdc++.h> using namespace std; int main() { int T; scanf("%d", &T); while (T--) { int x1, y1, x2, y2; scanf("%d%d%d%d", &x1, &y1, &x2, &y2); int ans = abs(x1 - x2) + abs(y1 - y2); if (x1 == x2 || y1 == y2) { printf("%d\n", abs(x1 - x2) + abs(y1 - y2)); } else { print...
0
#include <bits/stdc++.h> using namespace std; const int MOD = 1e9 + 7; const int INF = 1e9; const long long LINF = 1e18; const int WOW = 40000; const int NIL = 0; const int dy[8] = {1, 0, -1, 0, 1, 1, -1, -1}; const int dx[8] = {0, 1, 0, -1, 1, -1, 1, -1}; const double PI = 2 * acos(0); const int MAXN = 1005; double me...
12
#include <bits/stdc++.h> using namespace std; int n, m, l[65], r[65], pos[65 * 65], f[40005][255], t = 0; bitset<125> s[40005]; inline bool cmp(int x, int y) { return f[x][0] > f[y][0]; } int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= n; i++) scanf("%d", &l[i]), l[i] += 10000; for (int i = 1; i <= m; i+...
13
#include <bits/stdc++.h> using namespace std; const long long INF = (long long)(1e18); int main() { long long x, y, l, r; cin >> x >> y >> l >> r; vector<long long> res; res.push_back(l - 1); res.push_back(r + 1); vector<long long> arr_deg_x; vector<long long> arr_deg_y; long long deg_x = 1; long long...
10
#include <bits/stdc++.h> using namespace std; void solve() { long long int n, M; cin >> n >> M; vector<long long int> a(n); vector<vector<long long int> > v; long long int c = 1, sum = 0; for (long long int i = 0; i <= n - 1; i++) { cin >> a[i]; if (i > 0) { v.push_back({c, a[i] - a[i - 1]}); ...
7
#include <bits/stdc++.h> using namespace std; const int inf = 0x3f3f3f3f; int dp1[4010][4010] = {0}; int dp2[4010] = {0}; int main() { int n, a[100100], dp1[100100] = {0}, visited[100100] = {0}; priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int> > > Q; scanf("%d"...
8
#include <bits/stdc++.h> using namespace std; int N, M, S, T, out_degree[1000001], dp[1000001]; vector<int> in[1000001]; int main() { scanf("%d%d", &N, &M); for (int i = 0; i < (M); ++i) { int a, b; scanf("%d%d", &a, &b); in[b].push_back(a); ++out_degree[a]; } scanf("%d%d", &S, &T); fill(dp, d...
18
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using D = double; using uint = unsigned int; template <typename T> using pair2 = pair<T, T>; using pii = pair<int, int>; using pli = pair<ll, int>; using pll = pair<ll, ll>; mt19937 rng(chrono::steady_clock::now().time_since_epo...
15
#include <bits/stdc++.h> using namespace std; vector<long long> v; set<pair<int, int> > S; const int sz = 100010; int cowbells[sz]; int main() { int n, k, res, st; cin >> n >> k; for (int i = 1; i <= n; ++i) { cin >> cowbells[i]; } res = 0; while (2 * k != n && n) { res = max(res, cowbells[n]); ...
6
#include <bits/stdc++.h> using namespace std; int vis[1000], q[1000], node[1000], n, a[1000][1000], m; long double ans = 0; void solve(int u) { int l = 0, r = 1; q[r] = u; int to = 0; long double maxn = 0; for (int i = 1; i <= n; i++) if (a[i][u]) { if ((double)(node[u] + node[i] * 1.0) / (double)a[...
8
#include <bits/stdc++.h> using namespace std; using ull = unsigned long long; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n, k; long long int s, t; cin >> n >> k >> s >> t; vector<int> c(n), v(n); for (int i = 0; i < n; i++) { cin >> c[i] >> v[i]; } vector<long long int> d(k); ...
9
#include <bits/stdc++.h> using namespace std; const int di[] = {0, 0, 1, 0, -1, 1, 1, -1, -1}; const int dj[] = {0, 1, 0, -1, 0, 1, -1, -1, 1}; char maze[10][10][10]; bool doMagic(int m = 0, int i = 8, int j = 1) { if (m == 8) return (true); for (int k = 0; k < 9; k++) { int i1 = i + di[k]; int j1 = j + dj[...
7
#include <bits/stdc++.h> #define int long long #define ff first #define ss second #define mod 1000000007 #define sz(a) (long long)((a).size()) #define pb push_back #define all(c) c.begin(),c.end()...
0
#include <bits/stdc++.h> using namespace std; int ans; map<string, int> M; stack<string> S; int main() { char ch = getchar(); for (;;) { string s; if (ch == ':' || ch == ',') { ch = getchar(); continue; } if (ch == '\n' || ch == '\r') break; if (ch == '.') { M[S.top()]--, S.pop...
9
#include <bits/stdc++.h> using namespace std; int main() { int t, c = 0; string s1 = "Tetrahedron", s2 = "Cube", s3 = "Octahedron", s4 = "Dodecahedron", s5 = "Icosahedron"; cin >> t; while (t--) { string s; cin >> s; if (s.compare(s1) == 0) c = c + 4; else if (s.compare(s2) == 0) ...
0
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; long long s[N], a[N]; void solve() { int n; cin >> n; long long sum = 0; for (int i = 0; i < n; i++) { cin >> s[i]; sum += s[i]; } long long c = 1LL * n * (n + 1) / 2; if (sum % c) { cout << "NO\n"; return; } sum /= c...
9
#include <bits/stdc++.h> using namespace std; const int MAXN = 2e5 + 5; const long long MOD = 1e9 + 7; pair<int, int> p; int main() { int n, k; cin >> n >> k; string s; cin >> s; int c1 = 0; int c2 = 0; for (int i = 0; i < n;) { if (s[i] == 'N') { int j = i; while (j < n && s[j] == 'N') j+...
12
#include <bits/stdc++.h> using namespace std; vector<int> v, r; int n, e; int p2[32]; int main() { scanf("%d", &n); scanf("%d", &e); v.push_back(e); for (int i = 1; i < n; i++) { scanf("%d", &e); if (e == v[i - 1]) continue; v.push_back(e); } sort(v.begin(), v.end()); reverse(v.begin(), v.end(...
10
#include <bits/stdc++.h> using namespace std; int main() { long long n; long long ans = 0; cin >> n; for (long long i = 3; i <= n; i++) { ans += i * (i - 1); } cout << ans; }
4
#include <bits/stdc++.h> using namespace std; long long mod = 1000000009; long long po(long long a, long long b) { long long tot = 1, d = 1, w = a; while (d <= b) { if (d & b) tot *= w; tot %= mod; w *= w; w %= mod; d *= 2; } return tot; } int main() { long long n, m, k; cin >> n >> m >>...
8
#include <bits/stdc++.h> using namespace std; map<long long, long long> ct; long long a[100010]; long long power[1000]; long long check_count(long long cumsumj, int powcount) { long long ans = 0; for (int i = 0; i < powcount; i++) { long long temp = cumsumj - power[i]; ans += ct[temp]; } return ans; } l...
10
#include <bits/stdc++.h> using namespace std; int st[(1 << 18) + 1][2], num[100010]; void update(int i, int L, int R, int u) { int curr = 1; while (L < R) { int m = ((L + R) >> 1); if (i <= m) { R = m; curr = (curr << 1); } else { L = m + 1; curr = ((curr << 1) | 1); } } ...
14
#include <bits/stdc++.h> using namespace std; int dx[] = {0, 0, 1, -1, 1, -1, 1, -1}, dy[] = {1, -1, 0, 0, 1, -1, -1, 1}; inline void cn(long& n) { n = 0; long ch = getchar(); int sign = 1; while (ch < '0' || ch > '9') { if (ch == '-') sign = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') ...
10
#include <bits/stdc++.h> using namespace std; const double eps = 1e-4; const int maxn = 1e3 + 7; char ch[maxn][maxn]; char cnt[maxn]; int main() { int n, m; scanf("%d%d", &n, &m); for (int i = 0; i < n; i++) { scanf("%s", ch[i]); } for (int i = 0; i < m; i++) { int mx = '0'; for (int j = 0; j < n;...
1
#include <bits/stdc++.h> using namespace std; int main() { string a = {}; string s = {}; cin >> a >> s; sort(s.begin(), s.end()); for (int i = 0; i < a.length(); i++) { if (a[i] >= s[s.length() - 1]) { cout << a[i]; } else if (a[i] < s[s.length() - 1]) { cout << s[s.length() - 1]; s....
3
#include <bits/stdc++.h> using namespace std; const int N = 100005; int e[25][25], to[25], vis[25]; int n, f[1 << 20 | 5]; char s[N], t[N]; void dfs(int x) { vis[x] = 1; for (int i = (int)(0); i <= (int)(19); i++) if (!vis[i] && e[x][i]) dfs(i); } void solve() { memset(e, 0, sizeof(e)); memset(to, 0, sizeof...
23
#include <bits/stdc++.h> int main() { int q; std::cin >> q; std::cin.get(); int i, j; for (i = 0; i < q; ++i) { std::string s; std::cin >> s; std::cin.get(); int n_l = 0, n_r = 0, n_u = 0, n_d = 0; for (auto c : s) { if (c == 'L') { ++n_l; } else if (c == 'R') { ...
4
#include <bits/stdc++.h> using namespace std; int DEBUG = 0; int compare_inc(const void *a, const void *b) { int64_t x = *(int64_t *)a; int64_t y = *(int64_t *)b; if (x > y) return 1; else if (x < y) return -1; else return 0; } const int MAXN = 1000010; const int64_t MULT = 3; int64_t hashBase[MAX...
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#include <bits/stdc++.h> using namespace std; long long n, i, j, k, c, cont; char p; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cin >> n; long long col[n], fil[n]; for (i = 0; i < n; i++) { col[i] = 0; fil[i] = 0; } for (i = 0; i < n; i++) { for (j = 0; j <...
0
#include <bits/stdc++.h> using namespace std; inline long long read() { register long long x = 0; char zf = 1; char ch; while (ch != '-' && !isdigit(ch)) ch = getchar(); if (ch == '-') zf = -1, ch = getchar(); while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar(); return x * zf; } int i, j, k, m, n, x...
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#include <bits/stdc++.h> using namespace std; int main() { ios ::sync_with_stdio(false); cin.tie(0); string s, p; cin >> p >> s; sort(s.begin(), s.end()); int i = 0, j = s.size() - 1; while (i < p.size() && j >= 0) { if (p[i] < s[j]) { p[i] = s[j]; i++; j--; } else { i++; ...
3
#include <bits/stdc++.h> using namespace std; const int MAXN = 2e5 + 5; int n, m, q, x, y; unordered_map<int, unordered_map<int, int> > state; template <class T> void read(T& x, T f = 1, char ch = getchar()) { x = 0; while (ch < '0' || ch > '9') f = (ch == '-' ? -1 : 1), ch = getchar(); while (ch >= '0' && ch <= ...
19
#include <bits/stdc++.h> using namespace std; long long int arr[1000001]; long long int dp[2003][2003]; long long int solve(long long int n, long long int k, long long int i, long long int cnt) { if (i > n) return 0; if (cnt == k) return 1; if (dp[i][cnt] != -1) return dp[i][cnt]; long long ...
6
#include <bits/stdc++.h> using namespace std; const int MAXN = 10005; const long long base[2] = {31, 37}; const long long Mod[2] = {998244353, 1000000007}; int dp[MAXN], pre[MAXN]; unordered_map<long long, int> mp; string dic[100005]; void output(int now) { if (now == 0) return; output(now - (int)dic[pre[now]].leng...
11
#include <bits/stdc++.h> using namespace std; long long power(long long paye, int tavan) { if (paye == 0) return 1; long long ans = paye; for (int i = 1; i < tavan; i++) ans = (ans * paye) % 1000000007; return ans; } int a[10]; bool accept(int n) { for (int i = 1; i <= n; i++) { int j = 0; int t = a[i...
7
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; vector<int> G[N]; vector<int> ind[N]; vector<int> stk; bool vis[N]; int deep[N]; int sq; void dfs(int u, int fa, int dp) { vis[u] = true; stk.push_back(u); ind[dp % (sq - 1)].push_back(u); deep[u] = dp; for (int v : G[u]) { if (v != fa) ...
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#include <bits/stdc++.h> using namespace std; unordered_map<long long, unordered_set<long long> > adj; vector<long long> vis1, lft, par; long long c = 1; void mark(long long loc, long long till) { long long mx = max(loc, till); long long mn = min(loc, till); while (loc != till) { loc = par[loc]; mx = max(...
15
#pragma GCC optimize ("O3") #pragma GCC target ("sse4") #include <bits/stdc++.h> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/assoc_container.hpp> #include <ext/rope> using namespace std; using namespace __gnu_pbds; using namespace __gnu_cxx; typedef long long ll; typedef long double ld; typedef complex...
20
#include <bits/stdc++.h> using namespace std; struct edge { int u, v, c, d = 0; edge(int _u, int _v, int _c) : u(_u), v(_v), c(_c){}; }; vector<int> f, vis; vector<edge> edges; vector<vector<int>> g; int main() { ios::sync_with_stdio(false); cout.tie(nullptr); cin.tie(nullptr); int n, m; cin >> n >> m; ...
13
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define fs first #define sc second ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a * (b / gcd(a, b)); } int x, y; int SOLVE() { scanf("%d%d", &x, &y); // x가 무한대라면 // special은 [0,1,2,3,4,5,6...] 으로 증가 ...
9
#include <bits/stdc++.h> int st[1000000], n, m, q, a, b, c, d, h[100], ans, sum; char map[100][100]; int main() { scanf("%d%d%d\n", &n, &m, &q); for (int i = 1; i <= n; ++i) { for (int j = 1; j <= m; ++j) scanf("%c", &map[i][j]); scanf("\n"); } while (q--) { scanf("%d%d%d%d\n", &a, &b, &c, &d); ...
11
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 5; const int MOD = 1e9 + 7; const int SEED = 29; long long int p[N]; long long int h[N]; std::vector<pair<int, int> > v; map<long long int, long long int> mp; int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); int n, m; c...
15
#include <bits/stdc++.h> using namespace std; int main() { std::ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; vector<pair<int, int> > a(n); vector<int> dif1(2001, 0); vector<int> dif2(2001, 0); for (int i = 0; i < n; i++) { cin >> a[i].first; cin >> a[i].second; dif1[a[i].f...
5
#include <bits/stdc++.h> using namespace std; int main() { int n, q; scanf("%d%d", &n, &q); int t0 = 0, t1 = 1; for (int i = 0; i < q; i++) { int t; scanf("%d", &t); if (t == 1) { int d; scanf("%d", &d); t0 += d; t1 += d; t0 = (t0 + n) % n; t1 = (t1 + n) % n; ...
10
#include <bits/stdc++.h> using namespace std; using ll = long long; ll gcd(const ll a, const ll b) { return b == 0 ? a : gcd(b, a % b); } pair<ll, ll> bezout(const ll m1, const ll m2) { if (m2 == 0) return {1, 0}; else { ll a1, a2; tie(a1, a2) = bezout(m2, m1 % m2); return {a2, a1 - a2 * (m1 / m2)};...
21
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; const int maxt = 1 << 17; int n, q; long long d[maxn], h[maxn]; long long allc; struct Node { long long lmx, rmx, mx; Node() {} Node(long long a, long long b, long long c) : lmx(a), rmx(b), mx(c) {} } tree[maxt * 2]; Node merge(Node &x, Node...
15
#include <bits/stdc++.h> using namespace std; long long mod = 998244353, n, m, x, y, ans, l, r; map<int, int> mapa1, mapa2; map<pair<int, int>, int> mapa; inline long long fuctorial(long long n) { long long res = 1; for (int i = 1; i <= n; i++) { res *= i; res %= mod; } return res; } int main() { ios_...
5
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; const long long int inf = 2e18; const long double eps = 1e-9; const int NN = 1e5 + 2; vector<vector<int> > adj; int u[NN]; int curr[NN]; bool vis[NN]; vector<vector<int> > scc; stack<int> STACK; void DFS(int source, bool second_DFS) { vis[source] ...
11
#include <bits/stdc++.h> using namespace std; int mod; vector<int> v; map<int, vector<int> > Map; int mul(int x, int y) { return (int)((long long int)x * y % mod); } int main() { int n, x; scanf("%d", &n); for (int j = 0; j < 2; j++) for (int i = 0; i < n; i++) { scanf("%d", &x); Map[x].push_back(...
8
#include <bits/stdc++.h> using namespace std; int main() { char a[1000]; long long int i, b, co = 0; cin >> a; for (i = 0; i < strlen(a); i++) { cin >> a[i]; if (a[i] <= 'Z') { co++; } } if (co == strlen(a)) { for (i = 0; i < strlen(a); ++i) { cout << char(tolower(a[i])); } ...
2
#include <bits/stdc++.h> using namespace std; const int maxn = 1000 * 1000 + 10; const int maxn5 = 5 * 1000 * 100 + 10; const int maxn3 = 1000 + 10; const long long mod = 1000 * 1000 * 1000 + 7; const long long inf = 1LL * 2 * 1000 * 1000 * 1000 * 1000 * 1000 * 1000 + 10; set<pair<long long, int>> av; bool mark[maxn5];...
10
#include <bits/stdc++.h> using namespace std; const long long N = 1e5 + 10; long long A[2][N]; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.precision(10); cout << fixed; long long n, x; cin >> n; for (long long i = 1; i <= 2 * n; i++) { cin >> x; if (A[0][x] == 0) { A[0...
4
#include <bits/stdc++.h> using namespace std; int main() { int N, cnt = 0, p = 2; scanf("%d", &N); char CV[56]; vector<char> CV2; scanf("%s", CV); for (int i = 0; i < N; i++) { if (i >= cnt) { CV2.push_back(CV[i]); cnt += p++; } } for (int i = 0; i < CV2.size(); i++) printf("%c", CV2...
0
#include <bits/stdc++.h> using namespace std; const int M = (int)(1e9 + 7); int dp[2005][2005]; int main() { ios::sync_with_stdio(false); cin.tie(0); int n, k; cin >> n >> k; for (int i = 1; i <= n; ++i) { dp[1][i] = 1; } for (int i = 1; i < k; ++i) { for (int j = 1; j <= n; ++j) { for (int ...
6
#include <bits/stdc++.h> using namespace std; template <typename T> inline bool upmin(T &x, T y) { return y < x ? x = y, 1 : 0; } template <typename T> inline bool upmax(T &x, T y) { return x < y ? x = y, 1 : 0; } const long double eps = 1e-9; const long double pi = acos(-1); const int oo = 1 << 30; const long long...
20
#include <bits/stdc++.h> using namespace std; int n, k; char str[10][10]; int a[10], ans, p[10]; int main() { cin >> n >> k; for (int i = 0; i < n; ++i) cin >> str[i]; for (int i = 0; i < k; ++i) a[i] = i; ans = ~0U >> 3; do { memset(p, 0, sizeof(p)); for (int i = 0; i < n; ++i) for (int j = 0; ...
6
#include <bits/stdc++.h> using namespace std; const int maxn = 1e6 + 10; const int maxn5 = 5e5 + 10; const int maxnt = 1.2e6 + 10; const int maxn3 = 1e3 + 10; const long long mod = 1e9 + 7; const long long inf = 2e18; string s, t, r; long long n, k; bool same(int ind) { r = ""; for (int i = ind; i < n; i++) r.push_...
9
#include <bits/stdc++.h> using namespace std; const int maxn = 2e5 + 10; int n; int a[maxn]; int cnt[maxn]; int inc[maxn], d[maxn]; int cnt_inc, cnt_d; int main() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); cnt[a[i]]++; if (cnt[a[i]] == 3) { printf("NO\n"); return 0...
2
#include <bits/stdc++.h> using namespace std; void dummy() {} int n; long long data[500]; long long gr[500]; void fill(long long v) { memset(gr, 0, sizeof(gr)); int i = 0; while (v) { while (data[i] > v) i++; long long c = v / data[i]; gr[i] += c; v %= data[i]; } } int main() { cin >> n; for...
18
#include <bits/stdc++.h> using namespace std; const int MOD = (int)1e9 + 7; const int MAX = 1e6; vector<pair<int, int> > adj[MAX]; bool prime[MAX]; int prime_numbers[9999999], pos; void sieve() { prime[0] = 1; prime[1] = 1; for (int i = 4; i <= MAX; i += 2) prime[i] = 1; int root = sqrt(MAX); for (int i = 3; ...
8
#include <bits/stdc++.h> using namespace std; int n, m, d; int a[1200000]; int ws(int n) { int ans = 0; while (n) { ans++; n >>= 1; } return ans; } int main() { while (cin >> n) { for (int i = 0; i <= n; i++) a[i] = 0; int newl = n, nn; while (newl > 0) { int l = ws(newl); int ...
9