結果
問題 | No.2724 Coprime Game 1 |
ユーザー |
👑 |
提出日時 | 2024-04-12 23:23:33 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,561 bytes |
コンパイル時間 | 2,190 ms |
コンパイル使用メモリ | 201,460 KB |
最終ジャッジ日時 | 2025-02-21 00:52:18 |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 2 WA * 5 |
ソースコード
#include<bits/stdc++.h>#define rep(i,n) for(int i=0;i<n;i++)using namespace std;typedef long long ll;typedef vector<int> vi;typedef vector<long long> vl;typedef vector<vector<int>> vvi;typedef vector<vector<long long>> vvl;typedef pair<int,int> P;typedef long double ld;template<typename T>istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}template<typename T>ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); returnos;}template <typename T>ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : "");return os;}template<typename T> void chmin(T& a, T b){a = min(a, b);}template<typename T> void chmax(T& a, T b){a = max(a, b);}// Sieve of Eratosthenes// https://youtu.be/UTVg7wzMWQc?t=2774struct Sieve {int n;vector<int> f, primes;Sieve(int n=1):n(n), f(n+1) {f[0] = f[1] = -1;for (ll i = 2; i <= n; ++i) {if (f[i]) continue;primes.push_back(i);f[i] = i;for (ll j = i*i; j <= n; j += i) {if (!f[j]) f[j] = i;}}}bool isPrime(int x) { return f[x] == x;}vector<int> factorList(int x) {vector<int> res;while (x != 1) {res.push_back(f[x]);x /= f[x];}return res;}vector<pair<ll,int>> factor(ll x) {vector<pair<ll,int>> res;for (int p : primes) {int y = 0;while (x%p == 0) x /= p, ++y;if (y != 0) res.emplace_back(p,y);}if (x != 1) res.emplace_back(x,1);return res;}int num_of_divisors(long long x){auto f = factor(x);long long res = 1;for(auto [p, val] : f){res *= val + 1;}return res;}set<long long> divisors(long long x){set<long long> se = {1};auto f = factor(x);for(auto [key, value] : f){set<long long> old = se;for(long long y : old){rep(i, value + 1){se.insert(y);y *= key;}}}return se;}};const int M = 3000000;vector<int> f(M + 1);vector<int> g(M + 1);Sieve sieve(M + 1);int solve(){int n;cin >> n;int m = n - (f[n - 1] - f[n / 2]) - 2;if(m % 2) cout << "K\n";else cout << "P\n";return 0;}int main(){for(int x = 1; x <= M; x++){f[x] = f[x - 1];if(sieve.isPrime(x)) f[x]++;}int t;cin >> t;rep(_, t) solve();return 0;}