結果
問題 | No.1224 I hate Sqrt Inequality |
ユーザー |
|
提出日時 | 2024-10-18 23:51:09 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 1,970 bytes |
コンパイル時間 | 6,342 ms |
コンパイル使用メモリ | 337,968 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-10-18 23:51:16 |
合計ジャッジ時間 | 6,999 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 13 |
ソースコード
#include<bits/stdc++.h>#include <atcoder/all>using namespace atcoder;using mint=modint998244353;using namespace std;using ll=long long;using ul=unsigned long long;int dx[8] = {-1, 1, 0, 0, -1, -1, 1, 1};int dy[8] = {0, 0, -1, 1, -1, 1, -1, 1};using Graph=vector<vector<int>>;template<class T> T pow_mod(T A, T N, T M) {T res = 1 % M;A %= M;while (N) {if (N & 1) res = (res * A) % M;A = (A * A) % M;N >>= 1;}return res;}bool is_prime(long long N) {if (N <= 1) return false;if (N == 2 || N == 3) return true;if (N % 2 == 0) return false;vector<long long> A = {2, 325, 9375, 28178, 450775, 9780504, 1795265022};long long s = 0, d = N - 1;while (d % 2 == 0) {++s;d >>= 1;}for (auto a : A) {if (a % N == 0) return true;long long t, x = pow_mod<__int128_t>(a, d, N);if (x != 1) {for (t = 0; t < s; ++t) {if (x == N - 1) break;x = __int128_t(x) * x % N;}if (t == s) return false;}}return true;}long long pollard(long long N) {if (N % 2 == 0) return 2;if (is_prime(N)) return N;long long step = 0;auto f = [&](long long x) -> long long {return (__int128_t(x) * x + step) % N;};while (true) {++step;long long x = 1, y = f(x);while (true) {long long p = gcd(y - x + N, N);if (p == 0 || p == N) break;if (p != 1) return p;x = f(x);y = f(f(y));}}}vector<long long> prime_factorize(long long N) {if (N == 1) return {};long long p = pollard(N);if (p == N) return {p};vector<long long> left = prime_factorize(p);vector<long long> right = prime_factorize(N / p);left.insert(left.end(), right.begin(), right.end());sort(left.begin(), left.end());return left;}int main(){ll a,b;cin>>a>>b;ll g=gcd(a,b);a/=g,b/=g;vector<ll>T=prime_factorize(b);set<ll>st;for(auto a:T)st.insert(a);for(auto v:st)if(v!=2&&v!=5){cout<<"Yes"<<endl;return 0;}cout<<"No"<<endl;}