結果
問題 | No.726 Tree Game |
ユーザー |
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提出日時 | 2018-08-24 21:52:47 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 2,645 bytes |
コンパイル時間 | 777 ms |
コンパイル使用メモリ | 91,544 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-23 07:11:22 |
合計ジャッジ時間 | 1,575 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
other | AC * 25 |
ソースコード
#include <iostream>#include <algorithm>#include <bitset>#include <map>#include <queue>#include <set>#include <stack>#include <string>#include <utility>#include <vector>#include <complex>#include <string.h>using namespace std;#define int long long#define reps(i,s,n) for(int (i)=(s);(i)<(n);++(i))#define rep(i,n) reps(i,0,n)#define rept(i,n) rep(i,(n)+1)#define repst(i,s,n) reps(i,s,(n)+1)#define reprt(i,n,t) for(int (i)=(n);(i)>=(t);--(i))#define repr(i,n) reprt(i,n,0)#define each(itr,v) for(auto &(itr):(v))#define all(c) (c).begin(),(c).end()#define rall(c) (c).rbegin(),(c).rend()#define pb push_back#define mp make_pair#define fi first#define se second#define tmax(x,y,z) max(x,max(y,z))#define tmin(x,y,z) min(x,min(y,z))#define chmin(x,y) x=min(x,y)#define chmax(x,y) x=max(x,y)#define ln '\n'#define bln(i,n) (((i)==(n)-1)?'\n':' ')#define dbg(x) cout<<#x" = "<<(x)<<ln<<flush#define dbga(x,n) {cout<<#x" : ";for(int (i)=0;i<(n);++i){cout<<((x)[i])<<(i==((n)-1)?'\n':' ')<<flush;}}#define zero(a) memset(a,0,sizeof(a))#define unq(a) sort(all(a)),a.erase(unique(all(a)),a.end())typedef complex<double> P;typedef long long ll;typedef pair<int,int> pii;typedef pair<ll,ll> pll;typedef vector<int> vi;typedef vector<ll> vl;typedef vector<string> vst;typedef vector<pii> vpii;typedef vector<pll> vpll;typedef vector<vector<int> > mat;const ll inf = (ll)1e9+10;const ll linf = (ll)1e18+10;const ll mod = (ll)(1e9+7);const int dx[] = {0, 1, 0, -1};const int dy[] = {1, 0, -1, 0};const int ddx[] = {0, 1, 1, 1, 0, -1, -1, -1};const int ddy[] = {1, 1, 0, -1, -1, -1, 0, 1};const double eps = 1e-10;ll mop(ll a,ll b,ll m=mod) {ll r=1;a%=m;for(;b;b>>=1){if(b&1)r=r*a%m;a=a*a%m;}return r;}ll gcd(ll a,ll b) {return b?gcd(b,a%b):a;}ll lcm(ll a,ll b) {return a*b/gcd(a,b);}bool ool(int x,int y,int h,int w) {return((x<0)||(h<=x)||(y<0)||(w<=y));}bool deq(double a,double b) {return abs(a-b)<eps;}struct oreno_initializer {oreno_initializer() {cin.tie(0);ios::sync_with_stdio(0);}} oreno_initializer;int y, x;// 素数判定 O(√N)bool isprime(ll n) {if (n==2) return 1;if (n<=1 || n%2==0) return 0;for (ll i=3; i*i<=n; i+=2) if (n%i==0) return 0;return 1;}signed main() {cin >> y >> x;int yy = y+1, xx = x+1;bool yp = isprime(y), xp = isprime(x);if (yp+xp==2) return cout << "Second" << endl, 0;while (!isprime(yy)) yy++;while (!isprime(xx)) xx++;if (yp) cout << ((yy-y-1)%2 ? "First" : "Second") << endl;else if (xp) cout << ((xx-x-1)%2 ? "First" : "Second") << endl;else cout << ((xx-x+yy-y)%2 ? "First" : "Second") << endl;}