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#include <bits/stdc++.h> using namespace std; char s[1010000]; int main() { int i, j, k, m, n; scanf("%s", s); n = strlen(s); if (n % 2 == 1) { n = (n + 1) / 2; for (i = 1; i <= n; i++) putchar('4'); for (i = 1; i <= n; i++) putchar('7'); puts(""); } else { char u = '7'; int flag = 0; ...
#include <bits/stdc++.h> using namespace std; int n, hn; string s, r, c; int c1[100005], c2[100005]; string times(string s, int t) { c = ""; for (int i = 0; i < t; ++i) c += s; return c; } inline void work(int w) { cout << r.substr(0, w + 1) + times("4", hn - c1[w]) + times("7", hn - c2[w]) + '\n'...
#include <bits/stdc++.h> using namespace std; string n; string mini = "7777777777777777"; void bt(string s) { if (s.size() == n.size() + 4) return; bt(s + '4'); bt(s + '7'); long long f = 0, sev = 0; for (int i = 0; i < s.size(); i++) { if (s[i] == '4') f++; else sev++; } if (f != sev)...
#include <bits/stdc++.h> char str[1000000], s1[1000000]; int n; int main() { int i, j, c, flag = 0; scanf("%s", str); n = strlen(str); if (n % 2 == 1) flag = 1; for (i = j = c = 0; i < n && i + abs(j) <= n && !flag && !c; i++) { if (str[i] < '4') c = 1, s1[i] = '4', j++; else if (str[i] == '4') ...
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; int len = s.length(); if (len % 2) { for (int i = 0; i <= len / 2; ++i) cout << 4; for (int i = 0; i <= len / 2; ++i) cout << 7; return 0; } string res = "9999999999"; string t; for (int i = 0; i < len / 2; ++i) t...
#include <bits/stdc++.h> using namespace std; int n, x, y, d, O4[100005], O7[100005], S4[100005], S7[100005]; char s[100005]; int tooLarge() { for (int i = 0; i < n / 2; i++) { if (s[i] > '7') return -1; if (s[i] < '7') return i; } for (int i = n / 2; i < n; i++) { if (s[i] > '4') return -1; if (s...
#include <bits/stdc++.h> using namespace std; char s[1000010]; string ans = ""; bool cal(int &a, int &b) { int x = -1; int y = -1; for (int j = ans.size() - 1; j >= 0; j--) { if (ans[j] == '7') { x = j; break; } } if (x == -1) { return false; } for (int j = x - 1; j >= 0; j--) { ...
#include <bits/stdc++.h> using namespace std; const int maxn = 1e6 + 10; char aa[maxn], bb[maxn]; int a[maxn], b[maxn]; int main() { scanf("%s", aa); int len = strlen(aa); if (len % 2) { len++; for (int i = 1; i <= len / 2; i++) { printf("4"); } for (int i = 1; i <= len / 2; i++) { pri...
#include <bits/stdc++.h> using namespace std; int main() { string a; getline(cin, a); vector<int> b(a.size()); for (int i = 0; i < a.size(); ++i) b[i] = a[i] - '0'; bool big = false, back; int pos = 0, c4 = b.size() / 2; int c7 = c4; if (b.size() % 2 == 1) goto out; while (true) { back = false; ...
#include <bits/stdc++.h> int tc(char a) { return a - int('0'); } using namespace std; int main() { string st; cin >> st; int n = st.size(); if (n & 1) { for (int i = 0; i < n / 2 + 1; i++) cout << '4'; for (int i = 0; i < n / 2 + 1; i++) cout << '7'; cout << endl; return 0; } bool convertir ...
#include <bits/stdc++.h> char a[100004]; char b[100004]; int make(char b[], int len) { int i, j, k; while (1) { k = 0; for (i = 0; i < len; i++) if (b[i] == '7') k++; if (k == len / 2) return 0; else if (k < len / 2) { for (i = len - 1; i >= 0; i--) { if (b[i] == '4') k++; ...
#include <bits/stdc++.h> using namespace std; const double pi = 4.0 * atan(1.0); int64_t num; queue<int64_t> qu; bool ifgood(int64_t x) { int64_t a, b; a = 0; b = 0; while (x) { if (x % 10 == 4) ++a; else if (x % 10 == 7) ++b; else return false; x /= 10; } if (a == b) retur...
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; const double pi = 3.141592653589793238462643383279; void solve() { long long num; cin >> num; long long dig = log10(num) + 1, i = 0; string ans = ""; while (i < dig / 2) ans += "47", i++; if (dig & 1) ans += "47"; sort((ans).begin(), (...
#include <bits/stdc++.h> using namespace std; int main() { string a; getline(cin, a); deque<int> b(a.size()); for (int i = 0; i < a.size(); ++i) b[i] = a[i] - '0'; bool big = false, back = false; int pos = 0, c4 = b.size() / 2; int c7 = c4; if (b.size() % 2 == 1) goto out; while (true) { back = fa...
#include <bits/stdc++.h> using namespace std; vector<long long> all; void backtrack(long long cur, int cnt4, int cnt7) { if (cur > 1e10) return; if (cnt4 == cnt7) all.push_back(cur); long long nxt = cur * 10 + 4; backtrack(nxt, cnt4 + 1, cnt7); nxt = cur * 10 + 7; backtrack(nxt, cnt4, cnt7 + 1); } int main(...
#include <bits/stdc++.h> using namespace std; const int MX = 32000000; const long long INF = 1E18 + 7; vector<int> pr; map<long long, vector<long long>> fct, dst; int t; long long n, k; bool chk[MX]; struct SNode { long long u, val; }; inline bool operator<(const SNode &a, const SNode &b) { return a.val < b.val; } pr...
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10, M = 55, S = 31624000; long long T, n, k; namespace gp { bool isprime[S]; long long t = 0, prime[20 * N]; void getprime() { memset(isprime, 0, sizeof(isprime)); for (int i = 2; i < S; i++) { if (!isprime[i]) prime[++t] = i; for (int j = 1;...
#include <bits/stdc++.h> using namespace std; inline long long Qmul(const long long &x, const long long &y, const long long &X) { long long k = (long long)((1.0L * x * y) / (1.0L * X)), t = x * y - k * X; t -= X; while (t < 0) t += X; return t; } class MillerRabin { private: const int P...
#include <bits/stdc++.h> using namespace std; template <typename T> void chkmax(T &x, T y) { x = x > y ? x : y; } template <typename T> void chkmin(T &x, T y) { x = x > y ? y : x; } const long long INF = (1ull << 62); template <typename T> void read(T &x) { x = 0; bool f = 1; char ch; do { ch = getchar(...
#include <bits/stdc++.h> using namespace std; const int MOD = (int)1e9 + 7; const int MAXT = (int)1e4 + 3; const int MAXN = (int)31700000; const int MAXP = (int)1e5 + 3; const int infint = (int)2e9; const long long inf = (long long)2e18; int T; long long n[MAXT], k[MAXT], dist[MAXP]; bool prime[MAXN], ans[MAXT]; vector...
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 7, M = 31700000; struct query { long long n, k; int id; } q[N]; int t, cnt, qs, qe, l, ans[N], vis[M], pri[M], que[N * 20]; long long p[N], f[N]; bool cmp(query a, query b) { return a.k < b.k; } long long qpow(long long a, long long b, long long mod)...
#include <bits/stdc++.h> using namespace std; int t, dis[100000]; vector<int> primes; map<long long, vector<pair<long long, int>>> mp; bool vis[100000], composite[32000000], res[10000]; vector<pair<int, int>> adj[100000]; void modifiedEuclid(long long f1, long long f2, long long &m1, long long &m2) { if (f1 == 0) { ...
#include <bits/stdc++.h> using namespace std; map<long long, int> m; map<long long, int>::iterator it; const int times = 7; int number = 0; int n, low, high, mid, prime[100000], cnt_p, mi[100000], list[2][111111], cnt_list[2], pos[110000]; long long a[110000], xx, yy, ds; bool is[110000]; int ex[111111]; long long ...
#include <bits/stdc++.h> using namespace std; long long int t; map<long long int, vector<pair<long long int, long long int>>> qur; bool p[32000000]; vector<long long int> primes; vector<pair<long long int, long long int>> adj[1000005]; long long int dist[1000005]; set<pair<long long int, long long int>> s; string ans[1...
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; const int M = 4e7 + 5; long long n, k; map<long long, int> IM; int tot = 0; vector<long long> s[N]; int ID(long long x) { if (IM.count(x)) return IM[x]; IM[x] = ++tot; return -1; } int p[M], cnt; bool vis[M]; void init() { for (int i = (2); i ...
#include <bits/stdc++.h> using namespace std; int pr[6000005], cnt, target[5000005], pre[5000005], last[100005], tot; bool flag[31622780], ans[50005], visited[100005], flag2; long long dis[100005], w[5000005]; vector<long long> v; struct query { long long n, k; int id; } c[50005]; bool cmp(query x, query y) { retur...
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const long long INFF = 0x3f3f3f3f3f3f3f3fll; const long long M = 1e9 + 7; const long long maxn = 3e6 + 7; const double pi = acos(-1.0); const double eps = 0.00000001; long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; } templ...
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; long long powmod(long long a, long long b) { long long res = 1; a %= mod; assert(b >= 0); for (; b; b >>= 1) { if (b & 1) res = res * a % mod; a = a * a % mod; } return res; } int gcd(int a, int b) { return b ? gcd(b, a ...
#include <bits/stdc++.h> using namespace std; const long long T = 1e4, SQ = 32e6, inf = 1e18 + 10; bool notprime[SQ], ans[T]; vector<int> primes; map<long long, vector<pair<long long, int> > > mapk; long long euclid(long long x, long long y, long long &z1, long long &z2) { if (y == 0) { z1 = 1; z2 = 0; re...
#include <bits/stdc++.h> using namespace std; const int T = 11000; long long N[T], M[T]; int id[T]; bool ans[T]; namespace Factor { const int MAXN = 2000005; const int CERTAINTY = 8; const int RUNS = 20; int maxn, prn; int p[MAXN], prm[MAXN]; vector<long long> d; long long fac[110]; long long q[110], e[110]; long long ...
#include <bits/stdc++.h> using namespace std; const long long INF = (long long)1e9 * (long long)1e9; const int T = 1e4 + 10, SQ = 32 * 1e6, N = 1e5 + 10; long long n[T], k[T], dp[N]; int ans[T], q; vector<int> cheat; bitset<SQ> not_prime; long long power(long long a, long long b, long long mod) { if (b == 0) return 1...
#include <bits/stdc++.h> using namespace std; const int N = 3e5 + 5; const int M = 4e7; int pr[M / 10]; int prSz = 0; bool np[M]; long long mod; long long mul(long long a, long long b) { a %= mod; b %= mod; long long q = (long long)(1.0 * a * b / mod); long long r = a * b - q * mod; r %= mod; if (r < 0) r +...
#include <bits/stdc++.h> using namespace std; int pri[9] = {2, 3, 5, 7, 11, 13, 15, 17, 23}, cnt = 0; long long seed = 2001071221701002ll, ans[66]; inline long long rnd() { seed ^= (seed << 13ll); seed ^= (seed >> 17ll); seed ^= (seed << 5ll); return (seed < 0 ? -seed : seed); } inline void add(long long &a, lo...
#include <bits/stdc++.h> using namespace std; const long long maxn = 100010, inf = 1e9; map<long long, long long> mp; struct poi { long long x; long long dis; }; priority_queue<poi> q; bool operator<(poi a, poi b) { return a.dis > b.dis; } struct edge { long long too; long long dis; long long pre; } e[maxn * ...
#include <bits/stdc++.h> using namespace std; const int tmax = 1e4 + 42, MX = 32e6, K_MAX = 1e5 + 42; struct query { long long n, k; int id; }; bool cmp(query a, query b) { return a.k < b.k; } int t; query inp[tmax]; bitset<MX> is_prime; vector<int> primes; void prec() { int p = 2; while (p * p < MX) { for ...
#include <bits/stdc++.h> const int N = 31623000; using namespace std; bool fl[N]; int pri[2000000], tot; void init() { for (int i = 2; i < N; i++) { if (!fl[i]) pri[++tot] = i; for (int j = 1; i * pri[j] < N; j++) { fl[i * pri[j]] = 1; if (i % pri[j] == 0) break; } } } long long mul(long lon...
#include <bits/stdc++.h> using namespace std; template <typename T> inline void read(T& x) { char c = getchar(); bool f = false; for (x = 0; !isdigit(c); c = getchar()) { if (c == '-') { f = true; } } for (; isdigit(c); c = getchar()) { x = x * 10 + c - '0'; } if (f) { x = -x; } } ...
#include <bits/stdc++.h> using namespace std; const long long maxn = 4e6 + 5; long long pri[maxn], cnt; bool p[maxn * 9]; long long P; void init() { for (long long i = 2; i <= P; ++i) { if (!p[i]) pri[++cnt] = i; for (long long j = 1; j <= cnt && i * pri[j] <= P; ++j) { p[i * pri[j]] = 1; if (i % ...
#include <bits/stdc++.h> using namespace std; int t, cnt, ans, pr[32000010], tot; bool p[32000010], an[100010]; long long f[100010], inf = 1e18 + 7, d[100]; struct qu { long long n, m; int id; bool operator<(qu const &a) const { return m < a.m; } } q[100010]; struct node { int s; long long v; node(int _s = ...
#include <bits/stdc++.h> using namespace std; const int N = 10003, M = 31622800, K = 1952000, L = 100003; template <typename T> inline void read(T &x) { int ch = getchar(); x = 0; bool f = false; for (; ch < '0' || ch > '9'; ch = getchar()) f |= ch == '-'; for (; ch >= '0' && ch <= '9'; ch = getchar()) x = x ...
#include <bits/stdc++.h> using namespace std; map<long long, vector<pair<long long, int>>> mapchik; const long long INF = (long long)2e18; const int M = (int)35e6; const int PSZ = (int)3e6; bool p[M]; int pr[PSZ]; int prSz; const int N = (int)1e5 + 10; bool ANS[N]; long long dist[N]; long long euclid(long long x, long ...
#include <bits/stdc++.h> #pragma GCC optimize("Ofast,no-stack-protector") #pragma GCC target("avx") #pragma GCC target("sse,sse2,sse3,sse4,popcnt,abm,mmx,avx,tune=native") using namespace std; template <typename T> int sgn(T val) { return (T(0) < val) - (val < T(0)); } long long read() { long long x = 0; bool q =...
#include <bits/stdc++.h> using namespace std; const int MAXN = 100005; const int MAXM = 50000007; const long long INF = 0x3f3f3f3f3f3f3f3f; template <typename T> inline void read(T &AKNOI) { T x = 0, flag = 1; char ch = getchar(); while (!isdigit(ch)) { if (ch == '-') flag = -1; ch = getchar(); } whil...
#include <bits/stdc++.h> using namespace std; long long f[100100]; int pr[31600000], t, p[100100], l, que[100100 * 20], head, tail; bool bz[31600000], ans[100100], vis[100100]; struct qry { long long n, k, w; } q[100100]; bool cmp(qry a, qry b) { return a.k < b.k; } long long qpow(long long a, long long i, long long ...
#include <bits/stdc++.h> using namespace std; const int N = 100005; const long long inf = (long long)2e18; int ed, T, ans[10005], fir[N]; long long que[66], dis[N]; struct Edge { int v, nxt; long long w; } e[N * 66]; struct Info { long long n, k; int id; bool operator<(const Info& x) const { return k < x.k; }...
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx") using std::abs; using std::cerr; using std::cin; using std::cout; using std::map; using std::max; using std::min; using std::pair; using std::set; using std::string; using std::swap; using std::vector; u...
#include <bits/stdc++.h> using namespace std; inline void read(int &x) { int v = 0, f = 1; char c = getchar(); while (!isdigit(c) && c != '-') c = getchar(); if (c == '-') f = -1; else v = (c & 15); while (isdigit(c = getchar())) v = (v << 1) + (v << 3) + (c & 15); x = v * f; } inline void read(lo...
#include <bits/stdc++.h> template <typename T> inline void read(T &x) { x = 0; char c = getchar(); while (!isdigit(c)) c = getchar(); while (isdigit(c)) x = x * 10 + (c ^ 48), c = getchar(); } using namespace std; int t; int pri[4001000], pcnt; bool depri[35001000]; inline void init() { depri[1] = true; con...
#include <bits/stdc++.h> using namespace std; long long mulmod(long long a, long long b, long long c) { long long sign = 1; if (a < 0) { a = -a; sign = -sign; } if (b < 0) { b = -b; sign = -sign; } a %= c; b %= c; long long res = 0; while (b > 0) { if (b & 1) { res = (res + a...
#include <bits/stdc++.h> using namespace std; int get() { char ch; while (ch = getchar(), (ch < '0' || ch > '9') && ch != '-') ; if (ch == '-') { int s = 0; while (ch = getchar(), ch >= '0' && ch <= '9') s = s * 10 + ch - '0'; return -s; } int s = ch - '0'; while (ch = getchar(), ch >= '0' &...
#include <bits/stdc++.h> using namespace std; const int MAXK = 60; const int MAXT = 1E4 + 10; const int LIM = 1E5 + 10; namespace Pollard_Rho { const int pr[] = {2, 3, 5, 7, 11, 23, 43, 79}; const int M = (1 << 8) - 1; mt19937 RandEngine(chrono::steady_clock::now().time_since_epoch().count()); long long RandInt(long lo...
#include <bits/stdc++.h> using namespace std; const long long MAXN = 1e18; const long long MAXK = 1e15; const long long INF = 4e18; const int MAXV = 3.2e7 + 5; const int MAXP = 2e6 + 10; const int MAXF = 1e5 + 10; const int MAXQ = 50; const int MAXLOG = 64; long long n, k, tot, q; int f[MAXV], prime[MAXP], cnt[MAXQ + 1...
#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 << "sz = " << vc.size() << endl << "["; for (const T&...
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; long long powmod(long long a, long long b) { long long res = 1; a %= mod; assert(b >= 0); for (; b; b >>= 1) { if (b & 1) res = res * a % mod; a = a * a % mod; } return res; } int gcd(int a, int b) { return b ? gcd(b, a ...
#include <bits/stdc++.h> const int N = 32000010; const int M = 10010; int min[N]; int prime[2000010], pcnt; bool ans[M]; bool dp[N]; void init() { for (int i = 2; i < N; ++i) { if (!min[i]) { min[i] = i; prime[pcnt++] = i; } for (int j = 0; j < pcnt && i * prime[j] < N; ++j) { min[i * pr...
#include <bits/stdc++.h> using namespace std; const long long INF = (long long)2e18; const int MAXN = (int)1e4 + 5; const int P = (int)3e7 + (int)3e6; const int M = (int)1e5; pair<pair<long long, long long>, int> req[MAXN]; vector<int> primes; bool isP[P + 5]; bool ans[MAXN]; long long dp[M + 5]; int q; void pre() { ...
#include <bits/stdc++.h> using namespace std; const int MAX_P = 40000010, N = 10010, MAX_N = 100010; const long long inf = 1e17; int p[MAX_P], t, ans[N]; map<long long, vector<pair<long long, int> > > M; inline void Pre(const int &n) { for (int i = 2; i <= n; i++) { if (!p[i]) p[++*p] = i; for (int j = 1; j <...
#include <bits/stdc++.h> using namespace std; const int maxn = 100010, maxm = 35000000; int T, tot, p[maxm]; long long n, k, dist[maxn]; bool ans[maxn]; map<long long, vector<pair<long long, int> > > mp; void exgcd(long long a, long long b, long long &x, long long &y) { if (!b) { x = 1, y = 0; return; } e...
#include <bits/stdc++.h> using namespace std; using ll = long long; using ii = pair<long long, long long>; const long long MAX = 10004, M2 = 1e5 + 10, K = 4e7 + 5; const long long inf = 0x3f3f3f3f; void minn(long long &a, long long b) { if (b < a) a = b; } void maxx(long long &a, long long b) { if (b > a) a = b; } ...
#include <bits/stdc++.h> using namespace std; const int INF = 0x3f3f3f3f; const long long INFF = 0x3f3f3f3f3f3f3f3fll; const long long M = 1e9 + 7; const long long maxn = 3e6 + 7; const double pi = acos(-1.0); const double eps = 0.00000001; long long gcd(long long a, long long b) { return b ? gcd(b, a % b) : a; } templ...
#include <bits/stdc++.h> using namespace std; const int N = 10003, M = 31622800, K = 1952000, L = 100003; template <typename T> inline void read(T &x) { int ch = getchar(); x = 0; bool f = false; for (; ch < '0' || ch > '9'; ch = getchar()) f |= ch == '-'; for (; ch >= '0' && ch <= '9'; ch = getchar()) x = x ...
#include <bits/stdc++.h> using namespace std; const int MAXQ = 55; const int MAXLOG = 64; const int MAXN = 100005; const int MAXP = 2e6 + 5; const int MAXV = 3.2e7 + 5; const long long INF = 4e18; template <typename T> void chkmax(T &x, T y) { x = max(x, y); } template <typename T> void chkmin(T &x, T y) { x = min(...
#include <bits/stdc++.h> using namespace std; const int N = 2e5 + 5, B = 32e6; const long long inf = 1e17; int p[N * 50], nump; bool np[B + 5]; long long n, k, pr[105], cnt, d[N]; bool vis[N], ans[N]; struct data { long long n, k; int id; } Q[N]; priority_queue<pair<long long, int> > q; bool cmp(data a, data b) { r...
#include <bits/stdc++.h> using namespace std; const int N = 4e7 + 10; bool isprime[N]; vector<int> prime; const int M = 1e5 + 10; int dis[55][M]; vector<int> factor[55]; bool vis[M]; vector<pair<int, long long> > edge[M]; map<long long, int> ma; void init(int n) { memset(isprime, true, sizeof(isprime)); isprime[1] ...
#include <bits/stdc++.h> using namespace std; const long long N = 3.5e7 + 9, M = 1e5 + 9, kkk = 53; const long long INF = 0x3f3f3f3f; long long n, K, T, cnt, num[kkk]; long long prime[3000009], tot, p[kkk][109]; long long dis[kkk][M], been[kkk]; bool isprime[N], vis[M]; priority_queue<pair<long long, long long> > Q; in...
#include <bits/stdc++.h> using namespace std; const int maxn = 100010; int T, tot, p[3000010]; long long n, k, dist[maxn]; bool ok[35000000], ans[maxn]; map<long long, vector<pair<long long, int> > > mp; void exgcd(long long a, long long b, long long &x, long long &y) { if (!b) { x = 1, y = 0; return; } e...
#include <bits/stdc++.h> using namespace std; const int MAXK = 60; const int MAXT = 1E4 + 10; const int LIM = 1E5 + 10; namespace Pollard_Rho { const int pr[] = {2, 3, 5, 7, 11, 23, 43, 79}; const int M = (1 << 8) - 1; mt19937 RandEngine(chrono::steady_clock::now().time_since_epoch().count()); long long RandInt(long lo...
#include <bits/stdc++.h> using namespace std; const int T_MAX = 10005; const int SIEVE_MAX = 32000000; const int SMALL_MAX = 100005; const long long LL_INF = 2e18; struct video { long long n, k; int index; bool operator<(const video &other) const { return make_pair(k, n) < make_pair(other.k, other.n); } }; ...
#include <bits/stdc++.h> using namespace std; template <class T> inline bool chkmin(T& x, T y) { return x > y ? x = y, true : false; } template <class T> inline bool chkmax(T& x, T y) { return x < y ? x = y, true : false; } const long long MAXN = 1e18; const long long MAXK = 1e15; const long long INF = 4e18; const ...
#include <bits/stdc++.h> using namespace std; template <typename TP> inline void read(TP &ret) { TP x = 0, f = 1; char ch = getchar(); while (ch < '0' || ch > '9') { ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } ret = (TP)x * f; } int t; struct nod...
#include <bits/stdc++.h> using namespace std; const long long inf = 2000000000000000000; const int maxn = 10000 + 10; struct dong { long long n, k; int id; friend bool operator<(dong a, dong b) { return a.k < b.k; } } ask[maxn]; long long f[100000 + 10], p[50]; int pri[5000000 + 10]; bool bz[32000000 + 10], pd[10...
#include <bits/stdc++.h> using namespace std; bool np[33000000], inq[100010], b; long long n, k, dis[55][100010], p[55][33000000 / 15 / 6]; int prime[33000000 / 15], num, cnt[55], now, total; queue<int> q; map<long long, int> mp; inline int getint() { char c = getchar(); int x; bool p; x = p = 0; while ((c < ...
#include <bits/stdc++.h> using namespace std; template <typename T> void read(T &x) { x = 0; bool f = 0; char c = getchar(); for (; !isdigit(c); c = getchar()) if (c == '-') f = 1; for (; isdigit(c); c = getchar()) x = x * 10 + (c ^ 48); if (f) x = -x; } template <typename F> inline void write(F x, char...
#include <bits/stdc++.h> using namespace std; const long long inf = 1e18; const int maxt = 10010; const int maxn = 100010; int T; long long q_n[maxt], q_k[maxt]; int p_list[10000010], isnp[40000010], tot; vector<long long> vec; map<long long, int> k_id; long long mul(long long a, long long b, long long mod) { long lo...
#include <bits/stdc++.h> using namespace std; const int maxn = 100010, maxm = 33333333, m = 32000000, mod = 998244353; inline long long read() { char ch = getchar(); long long x = 0, f = 0; while (ch < '0' || ch > '9') f |= ch == '-', ch = getchar(); while (ch >= '0' && ch <= '9') x = x * 10 + ch - '0', ch = ge...
#include <bits/stdc++.h> using std::map; using std::priority_queue; const int KV2 = 56, S = 32000000; map<long long, int> mi; int mar; long long pr[2333333], pi; bool vis[S + 1]; void sieve() { for (long long i = 2; i <= S; i++) { if (!vis[i]) pr[++pi] = i; for (int j = 1; j <= pi && pr[j] * i <= S; j++) { ...
#include <bits/stdc++.h> using namespace std; vector<int> primes; vector<int> smallestPrimeFactor; void linearSieve(int n) { if (n < 1) n = 1; if ((int)smallestPrimeFactor.size() >= n + 1) return; int primePiBound = n < 20 ? n - 1 : (int)(n / (log(n * 1.) - 2) + 2); primes.assign(primePiBound + 1, numeric_limit...
#include <bits/stdc++.h> using namespace std; const long long MAXN = 1e18; const long long MAXK = 1e15; const long long INF = 4e18; const int MAXV = 3.2e7 + 5; const int MAXP = 2e6 + 10; const int MAXF = 1e5 + 10; const int MAXQ = 50; const int MAXLOG = 64; long long n, k, tot, q; int f[MAXV], prime[MAXP], cnt[MAXQ + 1...
#include <bits/stdc++.h> using namespace std; const long long mod = 1000000007; long long powmod(long long a, long long b) { long long res = 1; a %= mod; assert(b >= 0); for (; b; b >>= 1) { if (b & 1) res = res * a % mod; a = a * a % mod; } return res; } long long gcd(long long a, long long b) { re...
#include <bits/stdc++.h> using namespace std; const int MXP = 4e7; bitset<MXP> prime; vector<long long> primes; void sieve() { for (int p = 2; p < MXP; p++) { if (prime[p]) continue; primes.push_back(p); for (int q = p; q < MXP; q += p) prime.set(q); } } map<long long, vector<pair<long long, int>>> qry;...
#include <bits/stdc++.h> using namespace std; inline long long gcd(long long x, long long y) { return (x % y == 0) ? y : gcd(y, x % y); } long long mul(long long x, long long y, long long MOD) { long long ans = 0; while (y) { if (y & 1) ans = (ans + x) % MOD; x = (x + x) % MOD; y >>= 1; } return a...
#include <bits/stdc++.h> const int MX = 33333333; using namespace std; int n, cnt, p[2100000], pc, v[51]; bitset<MX> Prime; map<long long, int> Map; vector<long long> d[51]; int R[51][101000]; long long Pow(long long a, long long b, long long Mod) { long long r = 1; while (b) { if (b & 1) r = r * a % Mod; a...
#include <bits/stdc++.h> #pragma GCC optimize("O2,Ofast,inline,unroll-all-loops,-ffast-math") #pragma GCC target("popcnt") using namespace std; struct que { int id; long long n, k; bool operator<(const que &rhs) const { return k < rhs.k; } } qs[10010]; struct cmp { bool operator()(const pair<int, long long> &A,...
#include <bits/stdc++.h> const int N = 2000005, M = 55, S = 31624000; int t; long long n, k; int pri[N], cnt; bool vis[S + 10]; void euler(void) { vis[1] = 1; for (int i = 2; i < S; ++i) { if (!vis[i]) pri[++cnt] = i; for (int j = 1; j <= cnt && i * pri[j] < S; ++j) { vis[i * pri[j]] = 1; if (!i...
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5, M = 3e5 + 5; int T, p[2000000], cnt, m, edgenum, Head[N], Next[M], vet[M]; bool isnp[32000001], vis[N], ans[N]; long long n, k, K[55], d[20], val[M], dis[N], X, Y; vector<pair<long long, int> > vec[55]; priority_queue<pair<long long, int>, vector<pair...
#include <bits/stdc++.h> using namespace std; template <typename T> void maxtt(T &t1, T t2) { t1 = max(t1, t2); } template <typename T> void mintt(T &t1, T t2) { t1 = min(t1, t2); } bool debug = 0; int n, m, k; int dx[4] = {0, 1, 0, -1}, dy[4] = {1, 0, -1, 0}; string direc = "RDLU"; long long ln, lk, lm; void etp(b...
#include <bits/stdc++.h> using namespace std; inline void read(int &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; } inline unsigned int R() { static unsigned in...
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 10, M = 3.3e7; int prm[M], tot; void init(int n) { for (int i = 2; i <= n; i++) { if (!prm[i]) prm[++tot] = i; for (int j = 1; j <= tot && i * prm[j] <= n; ++j) { prm[i * prm[j]] = true; if (i % prm[j] == 0) break; } } } struc...
#include <bits/stdc++.h> using namespace std; const long long MXP = 31622800, INF = 1ll << 62; long long t, n, k, dist[100 * 1000 + 10]; vector<long long> p, pk; bool b[MXP], ans[10 * 1000 + 10]; vector<pair<long long, long long>> sv; void primes() { for (long long i = 2; i < MXP; i++) if (!b[i]) { p.push_b...
#include <bits/stdc++.h> using namespace std; pair<pair<long long int, long long int>, int> queries[10000]; bitset<32000000> bs; vector<int> primes; long long int dist[100000]; priority_queue<pair<long long int, int> > H; int ans[10000]; int main() { int i; int t; long long int n, k; scanf("%d", &t); for (i =...
#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; template <typename Tp> inline void read(Tp &x) { static char c; static bool neg; x = 0, c = getchar(), neg = false; for (; !isdigit(c); c = getchar()) { if (c == '-') { neg = true; } } for (; isdigit(c); c = getchar()) { x = x * 10 + c - '0'; ...
#include <bits/stdc++.h> using namespace std; namespace SHENZHEBEI { static const int GYN = 2333333; char SZB[GYN], *SS = SZB, *TT = SZB; inline char gc() { if (SS == TT) { TT = (SS = SZB) + fread(SZB, 1, GYN, stdin); if (SS == TT) return '\n'; } return *SS++; } inline long long read() { long long x = 0...
#include <bits/stdc++.h> using namespace std; inline long long read() { long long x = 0, f = 1, c = getchar(); while (c < 48) c == '-' && (f = -1), c = getchar(); while (c > 47) x = x * 10 + c - '0', c = getchar(); return x * f; } const int MAXN = 100005; const int LIM = 31622779; struct qs { long long n, k, ...
#include <bits/stdc++.h> using namespace std; struct Query { long long n, k; int pos; } Q[10005]; int M; bool V[32000005]; int Prime[32000005]; vector<long long> Div; int Heap[100005], NHeap, Pos[100005]; bool Res[10005]; bool Use[100005]; long long D[100005]; void Sieve() { for (int i = 2; 1LL * i * i <= 1000000...
#include <bits/stdc++.h> using namespace std; const int T_MAX = 10005; const int SIEVE_MAX = 32000000; const int SMALL_MAX = 100005; const long long LL_INF = 2e18; struct video { long long n, k; int index; bool operator<(const video &other) const { return make_pair(k, n) < make_pair(other.k, other.n); } }; ...
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4") using namespace std; const long long maxn = 1e5 + 123, inf = 1e9, N = 3e7 + 5e6, INF = 1e18, mod = 1e9 + 7; vector<pair<long long, long long> > v, g[maxn]; vector<long long> prime; bool used[N + 13]; lo...
#include <bits/stdc++.h> using namespace std; int t; map<int, int> has; long long fj[55][50], gs[55], bh; long long n, k; const long long S = 31624000; const long long mf = 1e5 + 10; bool is[S]; long long p[2000000]; void init() { for (int i = 2; i < S; i++) { if (!is[i]) p[++p[0]] = i; for (int j = 1; j <= p...
#include <bits/stdc++.h> using namespace std; const int N = 1e4 + 5; long long nn[N], kk[N]; map<long long, vector<int> > M; vector<long long> pr; bool res[N]; long long egcd(long long a, long long b, long long &x, long long &y) { if (b == 0) { x = 1; y = 0; return a; } long long x1, y1; long long g...
#include <bits/stdc++.h> using namespace std; const long long INF = 4e18; const int BASE = 131; const double eps = 1e-4; const int mod = 998244353; const int inf = 1061109567; const double pi = acos(-1); const int inv2 = (mod + 1) >> 1; namespace Math { inline long long popcount(long long x) { x = (x & 0x55555555) + ...