結果
問題 | No.1113 二つの整数 / Two Integers |
ユーザー |
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提出日時 | 2020-07-17 22:06:32 |
言語 | C++11 (gcc 13.3.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 3,450 bytes |
コンパイル時間 | 1,631 ms |
コンパイル使用メモリ | 160,880 KB |
実行使用メモリ | 10,496 KB |
最終ジャッジ日時 | 2024-11-30 00:10:32 |
合計ジャッジ時間 | 10,416 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 11 TLE * 4 |
ソースコード
#include <bits/stdc++.h>const double pi = 3.141592653589793238462643383279;using namespace std;//typedef//------------------------------------------typedef vector<int> VI;typedef vector<VI> VVI;typedef vector<string> VS;typedef pair<int, int> PII;typedef pair<long long, long long> PLL;typedef pair<int, PII> TIII;typedef long long LL;typedef unsigned long long ULL;typedef vector<LL> VLL;typedef vector<VLL> VVLL;//container util//------------------------------------------#define ALL(a) (a).begin(),(a).end()#define RALL(a) (a).rbegin(), (a).rend()#define PB push_back#define MP make_pair#define SZ(a) int((a).size())#define SQ(a) ((a)*(a))#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)#define EXIST(s,e) ((s).find(e)!=(s).end())#define SORT(c) sort((c).begin(),(c).end())//repetition//------------------------------------------#define FOR(i,s,n) for(int i=s;i<(int)n;++i)#define REP(i,n) FOR(i,0,n)#define MOD 1000000007#define rep(i, a, b) for(int i = a; i < (b); ++i)#define trav(a, x) for(auto& a : x)#define all(x) x.begin(), x.end()#define sz(x) (int)(x).size()typedef long long ll;typedef pair<int, int> pii;typedef vector<int> vi;const double EPS = 1E-10;#define chmin(x,y) x=min(x,y)#define chmax(x,y) x=max(x,y)//ここから編集ll GCD(ll a, ll b){if(b == 0) return a;return GCD(b, a%b);}using Int32 = __int32_t;using Int64 = __int64_t;using Int128 = __int128_t;using ll = long long int;Int128 powmod(Int128 x, Int128 n, ll mod){Int128 res = 1;while (n > 0){if (n & 1){res = (res * x) % mod;}x = x * x % mod;n >>= 1;}return res;}Int128 mulmod(Int128 a, Int128 b, ll mod){Int128 x = 0, y = a % mod;while (b > 0){if (b % 2 == 1){x = (x + y) % mod;}y = (y * 2) % mod;b /= 2;}return x % mod;}ll gcd(ll a, ll b){if (a < b)std::swap(a, b);while (b > 0){ll tmp = a;a = b;b = tmp % b;}return a;}inline ll funct(ll x, ll c){return x * x + c;}bool MillerRabinTest(Int128 n){constexpr Int128 witness[] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, -1};if (n == 2)return true;if (n <= 1 || n % 2 == 0)return false;Int128 d = n - 1;int s = 0;while (!(d & 1)){++s;d >>= 1;}for (int i = 0; witness[i] != -1 && witness[i] < n; i++){Int128 y = powmod(witness[i], d, n);if (y == 1)continue;for (int j = 0; j < s - 1 && y != n - 1; j++)y = mulmod(y, y, n);if (y != n - 1)return false;}return true;}int main() {cin.tie(0);ios::sync_with_stdio(false);cout << fixed << setprecision(10);ll A, B; cin >> A >> B;ll d = GCD(A, B);if(d == 1){cout << "Odd" << endl;}else{for(ll i=2; i*i<=d; i++){if(d%i == 0){ll cnt = 0;while(d%i == 0){d/=i;cnt++;}if(cnt%2 == 1){cout << "Even" << endl;return 0;}}if(MillerRabinTest(d)){break;}}if(d!=1){cout << "Even" << endl;return 0;}cout << "Odd" << endl;}return 0;}