結果
問題 | No.2724 Coprime Game 1 |
ユーザー | 👑 AngrySadEight |
提出日時 | 2023-06-08 02:11:04 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 185 ms / 2,000 ms |
コード長 | 6,581 bytes |
コンパイル時間 | 4,596 ms |
コンパイル使用メモリ | 227,032 KB |
実行使用メモリ | 27,192 KB |
最終ジャッジ日時 | 2024-04-27 04:50:05 |
合計ジャッジ時間 | 6,023 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 28 ms
27,128 KB |
testcase_01 | AC | 27 ms
27,120 KB |
testcase_02 | AC | 27 ms
27,168 KB |
testcase_03 | AC | 174 ms
27,104 KB |
testcase_04 | AC | 176 ms
27,004 KB |
testcase_05 | AC | 185 ms
27,036 KB |
testcase_06 | AC | 102 ms
27,132 KB |
testcase_07 | AC | 175 ms
27,192 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <iostream> #include <iomanip> #include <string> #include <vector> #include <algorithm> #include <functional> #include <stack> #include <queue> #include <map> #include <set> #include <unordered_map> #include <unordered_set> #include <cmath> #include <cassert> #include <ctime> #include <utility> #include <random> #include <tuple> #include <bitset> #include <atcoder/all> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int,int> #define pil pair<int,ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int,int>> #define vpll vector<pair<ll,ll>> #define vvpii vector<vector<pair<int,int>>> #define vvpll vector<vector<pair<ll,ll>>> using mint = modint998244353; template<typename T> void debug(T e){ cerr << e << endl; } template<typename T> void debug(vector<T> &v){ rep(i, v.size()){ cerr << v[i] << " "; } cerr << endl; } template<typename T> void debug(vector<vector<T>> &v){ rep(i, v.size()){ rep(j, v[i].size()){ cerr << v[i][j] << " "; } cerr << endl; } } template<typename T> void debug(vector<pair<T, T>> &v){ rep(i,v.size()){ cerr << v[i].first << " " << v[i].second << endl; } } template<typename T> void debug(set<T> &st){ for (auto itr = st.begin(); itr != st.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template<typename T> void debug(multiset<T> &ms){ for (auto itr = ms.begin(); itr != ms.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template<typename T> void debug(map<T, T> &mp){ for (auto itr = mp.begin(); itr != mp.end(); itr++){ cerr << itr->first << " " << itr->second << endl; } } void debug_out(){ cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T){ cerr << H << " "; debug_out(T...); } ll my_pow(ll x, ll n, ll mod){ // 繰り返し二乗法.x^nをmodで割った余り. ll ret; if (n == 0){ ret = 1; } else if (n % 2 == 1){ ret = (x * my_pow((x * x) % mod, n / 2, mod)) % mod; } else{ ret = my_pow((x * x) % mod, n / 2, mod); } return ret; } ll inv(ll x, ll mod){ return my_pow(x, mod - 2, mod); } int my_gcd(int a, int b){ int ret = 0; if (a < b){ swap(a, b); } if (b == 0){ ret = a; } else{ ret = my_gcd(b, a % b); } return ret; } vector<vector<ll>> matrix_pow(vector<vector<ll>> &M, vector<ll> &bin, ll N, ll K, ll mod){ //行列累乗を計算する.M^x % modを計算する.ただし,xは陽には引数をとらない. //M: 行列M.bin: n_adic(x, 2, K)(xの2進数表現).N: 行列Mの大きさ.K: 配列binの長さ.mod: (取る場合は)modの値. vector<vector<ll>> matrix(N, vector<ll>(N)); for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { matrix[i][j] = M[i][j]; } } vector<vector<ll>> ans_old_matrix(N, vector<ll>(N)); for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { if (i == j) ans_old_matrix[i][j] = 1; else ans_old_matrix[i][j] = 0; } } vector<vector<ll>> ans_new_matrix(N, vector<ll>(N)); for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { ans_new_matrix[i][j] = 0; } } vector<vector<ll>> new_matrix(N, vector<ll>(N)); for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { new_matrix[i][j] = 0; } } for (ll x = 0; x < K; x++) { if (bin[K - 1 - x] == 1) { for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { for (ll k = 0; k < N; k++) { ans_new_matrix[i][j] = (ans_new_matrix[i][j] + (ans_old_matrix[i][k] * matrix[k][j])) % mod; } } } for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { ans_old_matrix[i][j] = ans_new_matrix[i][j]; ans_new_matrix[i][j] = 0; } } } for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { for (ll k = 0; k < N; k++) { new_matrix[i][j] = (new_matrix[i][j] + (matrix[i][k] * matrix[k][j])) % mod; } } } for (ll i = 0; i < N; i++) { for (ll j = 0; j < N; j++) { matrix[i][j] = new_matrix[i][j]; new_matrix[i][j] = 0; } } } return ans_old_matrix; } int main(){ ll T; cin >> T; vector<bool> isprime(3000003, true); for (ll i = 2; i <= 3000000; i++){ if (isprime[i]){ for (ll j = 2; j * i <= 3000000; j++){ isprime[i * j] = false; } } } vector<ll> sum(3000003, 0); for (ll i = 2; i <= 3000002; i++){ if (isprime[i]) sum[i] = sum[i - 1] + 1; else sum[i] = sum[i - 1]; } while (T--){ ll N; cin >> N; if (isprime[N]){ cout << 'P' << endl; } else{ ll hn = N / 2; // 選べる整数は,2 以上 hn 以下のすべての整数と,hn + 1 以上 N 以下の素数でない数 ll cnt = (hn - 1); cnt += ((N - hn) - sum[N] - sum[hn]); if (cnt % 2 == 0){ cout << 'K' << endl; } else{ cout << 'P' << endl; } } } }