結果
問題 | No.774 tatyamと素数大富豪 |
ユーザー |
|
提出日時 | 2019-03-20 23:35:45 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 1,116 ms / 2,000 ms |
コード長 | 3,276 bytes |
コンパイル時間 | 1,094 ms |
コンパイル使用メモリ | 115,516 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-19 00:55:07 |
合計ジャッジ時間 | 4,842 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 5 |
other | AC * 14 |
ソースコード
// includes#include <cstdio>#include <cstdint>#include <iostream>#include <iomanip>#include <string>#include <queue>#include <stack>#include <vector>#include <set>#include <map>#include <unordered_map>#include <algorithm>#include <utility>#include <functional>#include <cmath>#include <climits>#include <bitset>#include <list>#include <random>// macros#define ll long long int#define pb emplace_back#define mk make_pair#define pq priority_queue#define FOR(i, a, b) for(int i=(a);i<(b);++i)#define rep(i, n) FOR(i, 0, n)#define rrep(i, n) for(int i=((int)(n)-1);i>=0;i--)#define all(x) (x).begin(),(x).end()#define sz(x) ((int)(x).size())#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end())using namespace std;// typestypedef pair<int, int> P;typedef pair<ll, int> Pl;typedef pair<ll, ll> Pll;typedef pair<double, double> Pd;// constantsconst int inf = 1e9;const ll linf = 1LL << 50;const double EPS = 1e-10;const int mod = 1e9 + 7;// solvetemplate <class T>bool chmax(T &a, const T &b){if(a < b){a = b; return 1;} return 0;}template <class T>bool chmin(T &a, const T &b){if(a > b){a = b; return 1;} return 0;}template <typename T>T power(T a, T n, T mod) {T res = 1;T tmp = n;T curr = a;while(tmp){if(tmp % 2 == 1){res = (T)((ll)res * curr % mod);}curr = (T)((ll)curr * curr % mod);tmp >>= 1;}return res;}template <typename T>bool suspect(T a, int s, T d, T n){T x = power<T>(a, d, n);if(x == 1)return true;for(int r = 0; r < s; r++){if(x == n - 1)return true;x = x * x % n;}return false;}template <typename T>bool millar_rabin(T n){if(n <= 1 || (n > 2 && n % 2 == 0))return false;vector<ll> test = {2, 3, 5, 7, 11, 13, 17, 19, 23};T d = n - 1;int s = 0;while(d % 2 == 0)s++, d /= 2;for(int i = 0; i < test.size() && test[i] < n; i++){if(!suspect<T>(test[i], s, d, n))return false;}return true;}std::ostream &operator<<(std::ostream &dest, __uint128_t value) {std::ostream::sentry s(dest);if (s) {__uint128_t tmp = value < 0 ? -value : value;char buffer[128];char *d = std::end(buffer);do {--d;*d = "0123456789"[tmp % 10];tmp /= 10;} while (tmp != 0);if (value < 0) {--d;*d = '-';}int len = std::end(buffer) - d;if (dest.rdbuf()->sputn(d, len) != len) {dest.setstate(std::ios_base::badbit);}}return dest;}__int128 parse(string &s) {__int128 ret = 0;for (int i = 0; i < s.length(); i++)if ('0' <= s[i] && s[i] <= '9')ret = 10 * ret + s[i] - '0';return ret;}int main(int argc, char const* argv[]){ios_base::sync_with_stdio(false);cin.tie(0);int n;cin >> n;vector<int> a(n);rep(i, n)cin >> a[i];__uint128_t res = 0;do{//string s = "";//for(auto c: a){// s += to_string(c);//}__uint128_t tmp = 0;for(int i = 0; i < n; i++){if(a[i] >= 10)tmp = tmp * 100 + a[i];else tmp = tmp * 10 + a[i];}//cerr << tmp << endl;if(millar_rabin<__uint128_t>(tmp)){res = max(res, tmp);}}while(next_permutation(all(a)));if(res == 0)cout << -1 << endl;else cout << res << endl;return 0;}