Submission #1645855


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
const int N=2e5;
int n,a[N];
inline int gcd(int x,int y) { return y?gcd(y,x%y):x; }
inline bool solve() {
	int i,odd=0,even=0;
	for (i=1;i<=n;i++)
		(a[i]&1?odd:even)++;
	if (even&1)
		return true;
	else if (odd>=2) return false;
	else {
		even=0;
		for (i=1;i<=n;i++) even=gcd(even,a[i]-=a[i]&1);
		for (i=1;i<=n;i++) a[i]/=even;
		return !solve();
	}
}
int main()
{
        cin>>n;
	for (int i=1;i<=n;i++) cin>>a[i];
	if (n==1) return puts(a[1]==1?"Second":"First"),0;
	puts(solve()?"First":"Second");
	return 0;
}

Submission Info

Submission Time
Task D - Decrementing
User laofu
Language C++14 (GCC 5.4.1)
Score 0
Code Size 589 Byte
Status WA
Exec Time 82 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1000
Status
AC × 3
AC × 40
WA × 3
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in3.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt AC 53 ms 640 KB
in10.txt AC 54 ms 640 KB
in11.txt AC 62 ms 640 KB
in12.txt AC 54 ms 640 KB
in13.txt AC 60 ms 640 KB
in14.txt AC 78 ms 640 KB
in15.txt AC 58 ms 640 KB
in16.txt AC 77 ms 640 KB
in17.txt AC 58 ms 640 KB
in18.txt AC 82 ms 640 KB
in19.txt AC 58 ms 640 KB
in2.txt AC 53 ms 640 KB
in20.txt AC 75 ms 640 KB
in21.txt AC 64 ms 640 KB
in22.txt AC 63 ms 640 KB
in23.txt AC 61 ms 640 KB
in24.txt AC 65 ms 640 KB
in25.txt AC 57 ms 640 KB
in26.txt AC 63 ms 640 KB
in27.txt AC 59 ms 640 KB
in28.txt AC 65 ms 640 KB
in29.txt AC 58 ms 640 KB
in3.txt AC 53 ms 640 KB
in30.txt AC 62 ms 640 KB
in31.txt AC 53 ms 640 KB
in32.txt AC 54 ms 640 KB
in33.txt WA 63 ms 640 KB
in34.txt WA 69 ms 640 KB
in35.txt WA 64 ms 640 KB
in36.txt AC 1 ms 256 KB
in37.txt AC 1 ms 256 KB
in4.txt AC 54 ms 640 KB
in5.txt AC 53 ms 640 KB
in6.txt AC 54 ms 640 KB
in7.txt AC 53 ms 640 KB
in8.txt AC 54 ms 640 KB
in9.txt AC 53 ms 640 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB
sample3.txt AC 1 ms 256 KB