Submission #1693178

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int n,a[100005];
bool solve()
{
	int sum_odd=0,sum_even=0;
	for (int i=1;i<=n;i++)
	{
		sum_odd+=a[i]&1;
		sum_even+=(a[i]&1)^1;
	}
	if (sum_even&1) return 1;
	if (sum_odd==1)
	{
		int t=0;
		for (int i=1;i<=n;i++)
		{
			if (a[i]&1) a[i]--;
			t=__gcd(t,a[i]);
		}
		for (int i=1;i<=n;i++)
			a[i]/=t;
		return solve()^1;
	}
	else return 0;
}
int main()
{
	scanf("%d",&n);
	for (int i=1;i<=n;i++)
		scanf("%d",&a[i]);
	puts(solve()?"First":"Second");
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:29:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:31:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
                    ^

Judge Result