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#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(NULL); int n, cnt = 0; char c; cin >> n; for (int i = 0; i < n; i++) { cin >> c; if (c == '8') cnt++; } cout << min(cnt, (n - (n / 10)) / 10) << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; int n; char a[105]; int main(void) { int x = 0; cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; if (a[i] == '8') x++; } cout << min(x, n / 11) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; string s; cin >> s; int cnt8 = 0; for (int i = 0; i <= n - 1; i++) { if (s[i] == '8') cnt8++; } int left = n; int cnt = 0; while (cnt8) { if (left >= 11) { left -= 11; cnt8 -= 1; cnt++; } else ...
#include <bits/stdc++.h> int main() { int n, eight = 0, m, i; char a[100]; scanf("%d", &n); scanf("%s", &a); m = n / 11; for (i = 0; i < n; i++) { if (a[i] == '8') { eight++; } } if (eight <= m) { printf("%d", eight); } else { printf("%d", m); } return 0; }
#include <bits/stdc++.h> using namespace std; char a[110]; int main() { int n; scanf("%d", &n); cin >> a; int t = n / 11; int m = 0; for (int i = 0; i < n; i++) { if (a[i] == '8') m++; } t = min(t, m); printf("%d", t); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; scanf("%d", &n); int cnt = 0; getchar(); for (int i = 1; i <= n; i++) { char c; scanf("%c", &c); if (c == '8') cnt++; } printf("%d\n", min(cnt, n / 11)); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cout.tie(0); cin.tie(0); int n, i, j, k, x, y, z; string s; cin >> n >> s; x = 0; for (i = 0; s[i]; ++i) x += (s[i] == '8'); cout << min(x, n / 11) << endl; return 0; }
#include <bits/stdc++.h> int n, cnt, len; char c[10001]; int main() { scanf("%d", &n); while ((c[0] = getchar()) < 32 || c[0] > 126) ; while ((c[++len] = getchar()) >= 32 && c[len] <= 126) ; for (int i = 0; i <= n; i++) if (c[i] == '8') cnt++; printf("%d", (n / 11 < cnt ? n / 11 : cnt)); }
#include <bits/stdc++.h> const long long inf = 1e9 + 7; using namespace std; long long read() { long long x = 0, f = 1; char ch = getchar(); while (!isdigit(ch)) { if (ch == '-') f = -1; ch = getchar(); } while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar(); return f * x; } int n, k; char s[100...
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); const int sz = 11; const char start = '8'; int n; string s; cin >> n >> s; int cnt = n, cntStart = 0; for (int i = 0; i < n; i++) { if (s[i] == start) { cntStart++; } } long long ...
#include <bits/stdc++.h> using namespace std; int n, l; string s; int main() { cin >> n >> s; for (int i = 0; i < s.size(); i++) if (s[i] == '8') l++; cout << min(n / 11, l); }
#include <bits/stdc++.h> using namespace std; int main() { int n, i, ret = 0, count = 0; char s[10000]; cin >> n; getchar(); scanf("%s", s); for (i = 0; i < n; i++) { if (s[i] == '8') { ret = 1; count++; } } if (ret == 0 || n < 11) cout << "0"; else { for (i = count; i >= 1...
#include <bits/stdc++.h> using namespace std; int main() { int n, count = 0; cin >> n; string s; cin >> s; for (int i = 0; i < n; i++) { if (s[i] == '8') { count++; } } if (n < 11 || count == 0) { cout << 0 << endl; } else { cout << min(n / 11, count) << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n, a = 0, i; cin >> n; char ch[n + 5]; for (i = 0; i < n; i++) { cin >> ch[i]; if (ch[i] == '8') a++; } cout << min(a, n / 11) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const long long MOD = 1000000007; const long long INF = 1000000000; template <class T> T read(T &x) { char c; int flag = 1; while ((c = getchar()) < '0' || c > '9') if (c == '-') flag *= -1; x = c - '0'; while ((c = getchar()) >= '0' && c <= '9') x = x * 10 + ...
#include <bits/stdc++.h> using namespace std; int day[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; struct edge { int to, cost; }; bool isupper(char c) { if ('A' <= c && c <= 'Z') return 1; return 0; } bool islower(char c) { if ('a' <= c && c <= 'z') return 1; return 0; } bool isPrime(int x) { if ...
#include <bits/stdc++.h> using namespace std; int main() { int n; string s; cin >> n >> s; int cnt = 0; for (int i = 0; s[i]; i++) { if (s[i] == '8') cnt++; } cout << min(cnt, (int)s.size() / 11) << endl; }
#include <bits/stdc++.h> using namespace std; int main() { char s[101]; int n, i, sum8 = 0, sum = 0, total = 0; cin >> n; cin >> s; for (i = 0; i < n; i++) { if (s[i] == '8') sum8++; sum++; } if (sum8 >= sum / 11) total = sum / 11; else total = sum8; cout << total << endl; return 0; ...
#include <bits/stdc++.h> using namespace std; const long long mod = 1e9 + 7; const int MAX = 100005; long long modexp(long long x, long long n) { if (n == 0) return 1LL; if (n % 2 == 0) { long long y = modexp(x, n / 2) % mod; return (y * y) % mod; } return (x * modexp(x, n - 1) % mod) % mod; } long long...
#include <bits/stdc++.h> inline int min(int x, int y) { return x < y ? x : y; } inline int getch() { int ch = getchar(); while (!isdigit(ch)) ch = getchar(); return ch; } int n; int main() { scanf("%d", &n); int NOE = 0; for (register int i = 1; i <= n; ++i) { int ch = getch(); if (ch == '8') ++NOE;...
#include <bits/stdc++.h> using namespace std; int32_t main() { long long m; long long n, k = 0, k1 = 0, k0 = 0, sm = 0, mn = 1e5, sm_original = 0, f = 0, k2 = 0, t, mx = -1; string s; cin >> n; cin >> s; for (long long i = 0; i < s.size(); i++) if (s[i] == '8') k++; n = s.size() / 11; ...
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int an = 0; char a[100]; for (int i = 0; i < n; i++) { cin >> a[i]; if (a[i] == '8') { an++; } } int m = n / 11; cout << min(m, an); }
#include <bits/stdc++.h> using namespace std; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count() * ((uint64_t) new char | 1)); long long get_random_int(long long a, long long b) { return uniform_int_distribution<long long>(a, b)(rng); } int main() { ios_base::sync_with_stdio(false)...
#include <bits/stdc++.h> using namespace std; long long n; string s; long long cnt[10]; int main(void) { ios::sync_with_stdio(0); cin.tie(0); cin >> n; cin >> s; for (long long(i) = (0); (i) <= (n - 1); (i)++) cnt[s[i] - '0']++; cout << min(n / 11, cnt[8]) << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int n, ans; char str[1000]; int main() { while (cin >> n) { cin >> str; ans = 0; for (int i = 0; i < n; ++i) if (str[i] == '8') ans++; ans = min(ans, n / 11); cout << ans << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int n, num, ans, cnt = 0; char x; int main() { cin >> n; for (int i = 1; i <= n; i++) { cin >> x; if (x == '8') num++; } for (int i = 1; i <= num; i++) { for (int j = 1; j <= 11; j++) cnt++; if (cnt > n) { ans = i - 1; break; } if...
#include <bits/stdc++.h> using namespace std; int main() { int n, count = 0; string s; cin >> n >> s; for (int i = 0; i < n; i++) { if (s[i] == '8') count++; } if (n < 11) cout << "0" << endl; else { cout << min(count, n / 11) << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int n, con; char a[100000]; int main() { scanf("%d", &n); scanf("%s", a); for (int i = 0; i < n; ++i) if (a[i] == '8') con++; printf("%d\n", min(con, n / 11)); return 0; }
#include <bits/stdc++.h> using namespace std; signed main() { int n, cnt = 0; char s[105]; cin >> n; scanf("%s", s); for (int i = 0; i < n; i++) cnt += s[i] == '8'; cout << min(cnt, n / 11); }
#include <bits/stdc++.h> #pragma GCC optimize(2) using namespace std; const int inf = 0x3f3f3f3f; string s; int len; int fac[101]; inline char nc() { static char buf[100000], *p1 = buf, *p2 = buf; if (p1 == p2) { p2 = (p1 = buf) + fread(buf, 1, 100000, stdin); if (p1 == p2) return EOF; } return *p1++; }...
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int coun = 0; string s; cin >> s; for (int i = 0; i < n; i += 1) { if (s[i] == '8') coun++; } cout << min(coun, n / 11); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; string s; cin >> s; int count = 0; for (int i = 0; i < s.size(); i++) { if (s[i] == '8') { count++; } } if (n == 11 && count >= 1) { cout << 1 << "\n"; } else { int a = n / 11; if (count >= a) { ...
#include <bits/stdc++.h> using namespace std; int main() { int n, count = 0; char st[100]; cin >> n; cin >> st; if (n >= 11) { for (int i = 0; i <= n; i++) { if (st[i] == '8') count++; else continue; } if (count == 0) { count = 0; } else if (count != 0 && n / ...
#include <bits/stdc++.h> using namespace std; template <typename T> void read(T& x) { x = 0; T f = 1; char ch = getchar(); while (!isdigit(ch)) f = ch == '-' ? -f : f, ch = getchar(); while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar(); x *= f; } template <typename T> void viet(T x) { if (x > 9) vie...
#include <bits/stdc++.h> using namespace std; const long long MAXN = 1123456; template <typename T> T sqr(T x) { return x * x; } template <typename T> void vout(T s) { cout << s << "\n"; exit(0); } long long bp(long long a, long long n) { long long res = 1; while (n) { if (n % 2) res *= a; a *= a; ...
#include <bits/stdc++.h> const int MAXN = 1e5 + 20; int n, k, M; int inv[MAXN], pre_inv[MAXN]; void math_pre() { inv[1] = 1; for (int i = 2; i <= ((n < 4) ? 4 : n); ++i) inv[i] = 1ll * (M - M / i) * inv[M % i] % M; for (int i = 1; i <= n; ++i) pre_inv[i] = (pre_inv[i - 1] + inv[i]) % M; } struct map { stati...
#include <bits/stdc++.h> using namespace std; long long mod = 998244353; const long long N = 1e5 + 5; inline long long read() { long long x = 0, f = 1; char ch = getchar(); while ((ch > '9' || ch < '0')) { if (ch == '-') f = -1; ch = getchar(); } while ('0' <= ch && ch <= '9') x = x * 10 + (ch ^ 48), ...
#include <bits/stdc++.h> const int N = 200005; int n, k, q, mod, cnt[2]; int sH[N], ans; void up(int &x, int y) { x += y - mod, x += x >> 31 & mod; } void up(int &x, int y, int z) { x = (x + (long long)y * z) % mod; } int c(int n) { return (long long)n * (n - 1) / 2 % mod; } void solve(int n, int m) { if (m == 1 || n...
#include <bits/stdc++.h> using namespace std; int md; inline void add(int &a, int b) { a += b; if (a >= md) a -= md; } inline void sub(int &a, int b) { a -= b; if (a < 0) a += md; } inline int mul(int a, int b) { return (int)((long long)a * b % md); } inline int power(int a, long long b) { int res = 1; whil...
#include <bits/stdc++.h> using std::cerr; using std::endl; const int N = 1e5 + 10; int n, K, P, inv[N], sum[N], ans; std::map<int, int> map; void divide(int l, int r, int dep) { if (l == r || dep == K) { return ++map[r - l + 1], void(); } int mid = (l + r) >> 1; divide(l, mid, dep + 1); divide(mid + 1, r,...
#include <bits/stdc++.h> using namespace std; using ull = uint64_t; using ll = int64_t; using ld = long double; int mod; ll pw(ll a, int b) { if (!b) { return 1; } ll v = pw(a, b / 2); v = (v * v) % mod; if (b & 1) { v = (v * a) % mod; } return v; } ll ans = 0; ll norm(ll x) { x %= mod; if (x ...
#include <bits/stdc++.h> using namespace std; int n, k; int Mod; int inv4; int inv[200010]; int sum[200010]; int fpow(int a, int b) { int ans = 1, t = a; while (b) { if (b & 1) ans = 1ll * ans * t % Mod; t = 1ll * t * t % Mod; b >>= 1; } return ans; } void init() { int N = 200000; for (int i = 1...
#include <bits/stdc++.h> using namespace std; int mod; const int maxn = 200111; map<int, int> mp; int n, k; long long inv[maxn]; int id[maxn], g[maxn], gn; long long sum; long long calc(long long a, long long b) { long long ret = 0; for (int i = 2; i <= a + b; i++) { long long l = max(1ll, i - b), r = min(i - 1...
#include <bits/stdc++.h> using namespace std; template <typename T1, typename T2> inline T1 max(T1 a, T2 b) { return a < b ? b : a; } template <typename T1, typename T2> inline T1 min(T1 a, T2 b) { return a < b ? a : b; } const char lf = '\n'; namespace ae86 { const int bufl = 1 << 15; char buf[bufl], *s = buf, *t ...
#include <bits/stdc++.h> using namespace std; int p; int Pow(int a, int b) { int ans = 1; for (; b; b >>= 1, a = 1ll * a * a % p) { if (b & 1) ans = 1ll * ans * a % p; } return ans; } int solve(int a, int b) { if (a <= 0 || b <= 0) return 0; int ans = 0; for (int sm = 2; sm <= a + b; sm++) ans = (...
#include <bits/stdc++.h> using namespace std; vector<int> vec; int n, k, q, cnt[100005]; inline int power(int a, int b) { int ans = 1; for (; b; a = 1LL * a * a % q, b >>= 1) ans = b & 1 ? 1LL * ans * a % q : ans; return ans; } inline int inv(int a) { return power(a, q - 2); } void partition(int a, int b) { if ...
#include <bits/stdc++.h> using namespace std; long long inv[100005], n, k, p, cnt[3], len[3], sum[100005], ans; void gb(long long l, long long r, long long h) { if (h <= 1 || l == r) { if (!len[1] || len[1] == r - l + 1) len[1] = r - l + 1, cnt[1]++; else len[2] = r - l + 1, cnt[2]++; return; ...
#include <bits/stdc++.h> const int MAXN = 100007; long long MOD; inline long long FST(long long base, int times) { long long ret = 1; while (times) { if (times & 1) ret = ret * base % MOD; times >>= 1; base = base * base % MOD; } return ret; } long long seg[MAXN], tot_seg; long long inv[MAXN], invS[...
#include <bits/stdc++.h> using namespace std; inline int read() { int x = 0, f = 1; char c = getchar(); for (; !isdigit(c); c = getchar()) if (c == '-') f = -1; for (; isdigit(c); c = getchar()) x = x * 10 + c - '0'; return x * f; } const int MAXN = 100010; const int INF = 2147483600; long long Mod; int N...
#include <bits/stdc++.h> const int N = 100005; int n, d, inv[N << 1], P, Inv2; int c[N]; void getp(int l, int r, int dep) { if (dep <= 1 || l == r) { ++c[r - l + 1]; return; } int mid = (l + r) >> 1; getp(l, mid, dep - 1); getp(mid + 1, r, dep - 1); } int ans; int main() { std::ios_base::sync_with_s...
#include <bits/stdc++.h> using namespace std; template <class t> inline t read(t &x) { char c = getchar(); bool f = 0; x = 0; while (!isdigit(c)) f |= c == '-', c = getchar(); while (isdigit(c)) x = (x << 1) + (x << 3) + (c ^ 48), c = getchar(); if (f) x = -x; return x; } template <class t, class... A> in...
#include <bits/stdc++.h> using namespace std; template <typename T> inline T gi() { T f = 1, x = 0; char c = getchar(); while (c < '0' || c > '9') { if (c == '-') f = -1; c = getchar(); } while (c >= '0' && c <= '9') x = x * 10 + c - '0', c = getchar(); return f * x; } const int INF = 0x3f3f3f3f, N ...
#include <bits/stdc++.h> using namespace std; inline long long read() { long long x = 0; char ch = getchar(); bool d = 1; for (; !isdigit(ch); ch = getchar()) if (ch == '-') d = 0; for (; isdigit(ch); ch = getchar()) x = x * 10 + ch - '0'; return d ? x : -x; } inline unsigned long long rnd() { return ...
#include <bits/stdc++.h> using namespace std; const long long N = 200005; long long n, k, mo, gs[3], len[3], top, inv[N], s[N], ans; map<long long, long long> ma; inline long long read() { long long ret = 0, ff = 1; char ch = getchar(); while (!isdigit(ch)) { if (ch == '-') ff = -1; ch = getchar(); } ...
#include <bits/stdc++.h> using namespace std; inline long long Getint() { char ch = getchar(); long long x = 0, fh = 1; while (ch < '0' || ch > '9') { if (ch == '-') fh = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { (x *= 10) += ch ^ 48; ch = getchar(); } return fh * x; } const i...
#include <bits/stdc++.h> using namespace std; template <class T> inline void rd(T &x) { char ch; x = 0; bool fl = false; while (!isdigit(ch = getchar())) (ch == '-') && (fl = true); for (x = (ch ^ '0'); isdigit(ch = getchar()); x = x * 10 + (ch ^ '0')) ; (fl == true) && (x = -x); } template <class T> in...
#include <bits/stdc++.h> using namespace std; int read() { int x = 0, sgn = 1; char ch = getchar(); for (; !isdigit(ch); ch = getchar()) if (ch == '-') sgn = -1; for (; isdigit(ch); ch = getchar()) x = (x << 1) + (x << 3) + (ch ^ 48); return x * sgn; } const int N = 2e5 + 10; int n, k, mod; long long sum[...
#include <bits/stdc++.h> using namespace std; int n, k, mod; long long inv[100009], sum[100009], ans; map<int, int> tag; map<int, int>::iterator it1, it2; long long Read() { long long x = 0; char c = getchar(); bool f = 0; while (!isdigit(c)) { if (c == '-') f = 1; c = getchar(); } while (isdigit(c)...
#include <bits/stdc++.h> using namespace std; map<int, int> mp; int n, k, mod, inv2; int ans = 0; inline void add(int& a, int b) { a += b; if (a >= mod) a -= mod; if (a < 0) a += mod; } inline int ksm(int a, int b) { int ans = 1; for (; b; b >>= 1, a = (long long)a * a % mod) if (b & 1) ans = (long long)a...
#include <bits/stdc++.h> using namespace std; using LL = long long; template <typename T> T inverse(T a, T m) { T u = 0, v = 1; while (a != 0) { T t = m / a; m -= t * a; swap(a, m); u -= t * v; swap(u, v); } assert(m == 1); return u; } template <typename T> class Modular { public: using...
#include <bits/stdc++.h> using namespace std; const int maxn = 100010; int n, K, P, ans, cnt[maxn], inv[maxn], pre[maxn]; int qp(int x, int y) { int z = 1; for (; y; y >>= 1, x = 1LL * x * x % P) { if (y & 1) z = 1LL * z * x % P; } return z; } int main() { scanf("%d %d %d", &n, &K, &P); for (int i = 1; ...
#include <bits/stdc++.h> const int MN = 200000 + 5; using namespace std; template <typename T> inline T& IN(T& in) { in = 0; char c = getchar(); int f = 1; while (!isdigit(c)) { if (c == '-') f = -1; c = getchar(); } while (isdigit(c)) in = in * 10 + c - '0', c = getchar(); return in *= f; } int n...
#include <bits/stdc++.h> using namespace std; int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); } const int MAXN = 100000; int n, mxdepth, MOD; int INV2; int inv[2 * MAXN + 1]; vector<int> parts; void rec(int l, int r, int h) { if (l > r) return; if (h == 1 || l == r) { parts.push_back(r - l + 1); ...
#include <bits/stdc++.h> using namespace std; long long P; long long inv[500005], s[500005]; int n, m; int len[2], cnt[2]; void add(long long &x, long long y) { x += y; if (x >= P) x -= P; if (x < 0) x += P; } void init() { inv[0] = inv[1] = 1; for (int i = 2; i <= n + m; i++) inv[i] = (P - P / i) * inv[P % i...
#include <bits/stdc++.h> using namespace std; const int N = 100005; int n, K, P, I, ans, inv[N], H[N], len[2], cnt[2]; int ad(int k1, int k2) { return k1 += k2 - P, k1 += k1 >> 31 & P; } int su(int k1, int k2) { return k1 -= k2, k1 += k1 >> 31 & P; } int mu(int k1, int k2) { return 1LL * k1 * k2 % P; } int po(int k1, i...
#include <bits/stdc++.h> int n, m, t, x, y, mod, ans, v[200010]; std::map<int, int> map; void solve(int l, int r, int k) { if (l == r || k <= 1) { map[r - l + 1]++; return; } solve(l, l + r >> 1, k - 1), solve((l + r >> 1) + 1, r, k - 1); } int fpow(long long a, int b) { long long s = 1; for (; b; b >...
#include <bits/stdc++.h> using namespace std; const int maxn = 1e5 + 10; int cnt[maxn], mod; int Pow(int x, int p) { int r = 1; while (p) { if (p & 1) r = (long long)x * r % mod; p >>= 1; x = (long long)x * x % mod; } return r; } void dfs(int n, int k) { if (n == 1 || k == 1) { cnt[n]++; r...
#include <bits/stdc++.h> using namespace std; int n, k, mod; long long inv[100009], sum[100009], ans; map<int, int> tong; map<int, int>::iterator it1, it2; inline long long rd() { long long x = 0; char c = getchar(); bool f = 0; while (!isdigit(c)) { if (c == '-') f = 1; c = getchar(); } while (isdi...
#include <bits/stdc++.h> const int MAXN = 1e5 + 20; int n, k, M; int inv[MAXN], pre_inv[MAXN]; void math_pre() { inv[1] = 1; for (int i = 2; i <= ((n < 4) ? 4 : n); ++i) inv[i] = 1ll * (M - M / i) * inv[M % i] % M; for (int i = 1; i <= n; ++i) pre_inv[i] = (pre_inv[i - 1] + inv[i]) % M; } struct map { stati...
#include <bits/stdc++.h> using std::cerr; using std::cout; int mod; inline int add(int a, int b) { a += b - mod; return a + (a >> 31 & mod); } inline int dec(int a, int b) { a -= b; return a + (a >> 31 & mod); } inline int mul(int a, int b) { long long r = (long long)a * b; return r >= mod ? r % mod : r; } ...
#include <bits/stdc++.h> using namespace std; const int MAXN = 100000; int q; inline int add(int x, int y) { x += y; return x >= q ? x - q : x; } inline int sub(int x, int y) { x -= y; return x < 0 ? x + q : x; } inline int mul(int x, int y) { return (int)(1LL * x * y % q); } int mpow(int b, int p) { int ret;...
#include <bits/stdc++.h> using namespace std; template <class T> void minn(T &a, T b) { a = min(a, b); } template <class T> void maxx(T &a, T b) { a = max(a, b); } void io() { ios_base::sync_with_stdio(false); cin.tie(NULL); } const long long MOD = 1000000007LL; const long long PRIME = 105943LL; const long long...
#include <bits/stdc++.h> using namespace std; long long n, m, mod, inv[300000], ans, cnt[300000], pre[300000]; void upd(long long &x, long long y) { x = (x + y) % mod; } void solve(long long x, long long m) { if (!m || x == 1) { ++cnt[x]; return; } solve((x + 1) / 2, m - 1); solve(x / 2, m - 1); } int m...
#include <bits/stdc++.h> using namespace std; inline long long read() { char ch = getchar(); long long s = 0, w = 1; while (ch < '0' || ch > '9') { if (ch == '-') w = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { s = s * 10 + ch - '0'; ch = getchar(); } return s * w; } inline int ...
#include <bits/stdc++.h> using namespace std; template <class T> inline void read(T &x) { x = 0; char c = getchar(); int f = 1; while (!isdigit(c)) { if (c == '-') f = -1; c = getchar(); } while (isdigit(c)) { x = x * 10 + c - '0'; c = getchar(); } x *= f; } template <class T> inline voi...
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10; int n, k, mod, ans; int inv[N], sum[N]; map<int, int> cnt; map<int, int>::iterator it1, it2; int read() { int ret = 0, f = 1; char c = getchar(); while (!isdigit(c)) { if (c == '-') f = 0; c = getchar(); } while (isdigit(c)) ret = r...
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 7; int n, k, p, cnt[N]; long long ifac[N]; inline void solve(int l, int r, int t) { if (t == 1 || l == r) { cnt[r - l + 1]++; return; } int d = (l + r) >> 1; solve(l, d, t - 1), solve(d + 1, r, t - 1); } inline long long getans(int a, int...
#include <bits/stdc++.h> using namespace std; int md; inline void add(int &a, int b) { a += b; if (a >= md) a -= md; } inline void sub(int &a, int b) { a -= b; if (a < 0) a += md; } inline int mul(int a, int b) { return (int)((long long)a * b % md); } inline int power(int a, long long b) { int res = 1; whil...
#include <bits/stdc++.h> using namespace std; const int maxn = 200100; int mod, n, h; inline void Add(int &a, int b) { a = a + b >= mod ? a + b - mod : a + b; } int inv[maxn], sum[maxn]; inline int Qsum(int l, int r) { return (sum[r] - sum[l - 1] + mod) % mod; } int cnt[maxn], S, L; int ans; inline void getblock(int l,...
#include <bits/stdc++.h> using namespace std; int n, k, mod, num[200005]; void Add(int &a, int b) { ((a += b) >= mod) && (a -= mod); } int ksm(int a, int b) { int ans = 1; while (b) { if (b & 1) ans = 1ll * ans * a % mod; a = 1ll * a * a % mod; b >>= 1; } return ans; } void dfs(int dep, int l, int r...
#include <bits/stdc++.h> using namespace std; template <typename T> inline bool chkmin(T &x, T y) { return (y < x) ? (x = y, 1) : 0; } template <typename T> inline bool chkmax(T &x, T y) { return (y > x) ? (x = y, 1) : 0; } inline int read() { int x; char c; int f = 1; while ((c = getchar()) != '-' && (c > ...
#include <bits/stdc++.h> using namespace std; template <class S, class T> ostream& operator<<(ostream& o, const pair<S, T>& p) { return o << "(" << p.first << "," << p.second << ")"; } template <class T> ostream& operator<<(ostream& o, const vector<T>& vc) { o << "{"; for (const T& v : vc) o << v << ","; o << "...
#include <bits/stdc++.h> using namespace std; long long mod = 0; inline long long pls(long long a, long long b) { return a + b < mod ? a + b : a + b - mod; } inline long long dec(long long a, long long b) { return a >= b ? a - b : a - b + mod; } int len1 = 0, len2 = 0, c1 = 0, c2 = 0; void dfs(int L, int R, int h) ...
#include <bits/stdc++.h> using namespace std; template <class T> int chkmax(T& a, T b) { if (b > a) { a = b; return 1; } return 0; } template <class T> int chkmin(T& a, T b) { if (b < a) { a = b; return 1; } return 0; } template <class iterator> void output(iterator begin, iterator end, ostr...
#include <bits/stdc++.h> using namespace std; template <typename T> inline bool chkmin(T &x, T y) { return y < x ? x = y, 1 : 0; } template <typename T> inline bool chkmax(T &x, T y) { return x < y ? x = y, 1 : 0; } const int INF = 0x3f3f3f3f; const int N = 1e5 + 10; int cnt[N]; int mod; inline int read() { int x...
#include <bits/stdc++.h> using namespace std; const int MAXN = 2e5 + 51; map<int, int> mp; int n, kk, MOD, res, u, v, w, x; int invf[MAXN], pr[MAXN]; inline int read() { register int num = 0, neg = 1; register char ch = getchar(); while (!isdigit(ch) && ch != '-') { ch = getchar(); } if (ch == '-') { ...
#include <bits/stdc++.h> using namespace std; const int N = 100005; int n, k, P; vector<int> pos; int cnt[N]; void solve(int l, int r, int k) { if (k <= 1 || l == r) { if (cnt[r - l + 1] == 0) pos.emplace_back(r - l + 1); cnt[r - l + 1]++; return; } int mid = (l + r) / 2; solve(l, mid, k - 1); sol...
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 2; int mod, num1 = 0, num2 = 0, cnt1 = 0, cnt2 = 0, rev[N], sum[N]; void add(int &x, int y) { x += y; if (x >= mod) { x -= mod; } } void sub(int &x, int y) { x -= y; if (x < 0) { x += mod; } } int mul(int x, int y) { return (1ll * x *...
#include <bits/stdc++.h> using namespace std; const int MAXN = 2e5 + 5; int n, k, mod, cnt[MAXN], inv[MAXN] = {0, 1}, sum[MAXN]; int a, b, ans; inline int read() { int x = 0; char ch = getchar(); while (!isdigit(ch)) ch = getchar(); while (isdigit(ch)) { x = x * 10 + ch - '0'; ch = getchar(); } retu...
#include <bits/stdc++.h> using namespace std; const int N = 1e6 + 7; int n, k, p, sum, a[2], b[2], inv[N], res[N]; inline void adds(int u) { if (a[0] == 0) a[0] = u; else if (a[0] != u) a[1] = u; if (a[0] == u) b[0]++; if (a[1] == u) b[1]++; } inline void solve(int l, int r, int t) { if (t == 1 || l =...
#include <bits/stdc++.h> using namespace std; using ll = long long; template <class t, class u> void chmax(t& first, u second) { if (first < second) first = second; } template <class t, class u> void chmin(t& first, u second) { if (second < first) first = second; } template <class t> using vc = vector<t>; template ...
#include <bits/stdc++.h> using namespace std; int md; inline void add(int &a, int b) { a += b; if (a >= md) a -= md; } inline void sub(int &a, int b) { a -= b; if (a < 0) a += md; } inline int mul(int a, int b) { return (int)((long long)a * b % md); } inline int power(int a, long long b) { int res = 1; whil...
#include <bits/stdc++.h> using namespace std; template <class T> T gi() { T x = 0; bool f = 0; char c = getchar(); while (c != '-' && (c < '0' || c > '9')) c = getchar(); if (c == '-') f = 1, c = getchar(); while (c >= '0' && c <= '9') x = x * 10 + c - '0', c = getchar(); return f ? -x : x; } const int N ...
#include <bits/stdc++.h> using namespace std; template <class T1, class T2> inline void chkmin(T1 &x, T2 y) { if (y < x) x = y; } template <class T1, class T2> inline void chkmax(T1 &x, T2 y) { if (y > x) x = y; } const int BUF_SIZE = 1 << 20; char buf[BUF_SIZE], *P1 = buf, *P2 = buf, obuf[BUF_SIZE], *PO = obuf; in...
#include <bits/stdc++.h> using namespace std; int n, k, mod, cnt[100005], s[100005], inv[100005], L = 100005, R, ans; void divide(int l, int r, int h) { if (h <= 1 || l == r) { cnt[r - l + 1]++, L = min(L, r - l + 1), R = max(R, r - l + 1); return; } int mid = (l + r) >> 1; divide(l, mid, h - 1), divide...
#include <bits/stdc++.h> using namespace std; int MOD; int inv(long long int n) { long long int r = 1; int e = MOD - 2; while (e > 0) { if (e & 1) r *= n, r %= MOD; e >>= 1; n *= n, n %= MOD; } return r; } map<int, int> occ; vector<pair<int, int> > v; int findSizes(int s, int h) { if ((h == 1) |...
#include <bits/stdc++.h> using namespace std; const int mxN = 1e5; int n, k, q, l1, l2, c1, c2; long long iv[mxN + 1], pi[mxN + 1], ans; void ms(int l = 0, int r = n - 1, int h = k) { if (h < 2 || l == r) { if (!l1 || r - l + 1 == l1) { l1 = r - l + 1; ++c1; } else { l2 = r - l + 1; ++...
#include <bits/stdc++.h> using namespace std; template <class T> inline void in(T &x) { x = 0; char c = getchar(); bool f = 0; while (!isdigit(c)) f |= (c == '-'), c = getchar(); while (isdigit(c)) x = x * 10 + (c ^ '0'), c = getchar(); f ? x = -x : 0; } template <class T> inline void out(T x, const char c ...
#include <bits/stdc++.h> using namespace std; using ll = long long; using vi = vector<int>; using vvi = vector<vi>; using vll = vector<ll>; using vvll = vector<vll>; using vb = vector<bool>; using vs = vector<string>; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); int MOD; struct modnum { int v;...
#include <bits/stdc++.h> using namespace std; int n, k, mo; int n1, n2, len, ans = 0; int Sum(int x, int y) { x += y; return (x >= mo) ? x - mo : x; } int Sub(int x, int y) { x -= y; return (x < 0) ? x + mo : x; } int Mul(int x, int y) { return (long long)x * y % mo; } int Pow(int x, int y = mo - 2) { int z =...