Submission #1989735


Source Code Expand

#include <cstdio>
int a[100010],sum[2],n;
int gcd(int a,int b)
{
	if (b==0) return a;
	else return gcd(b,a%b);
}
int main()
{
	scanf("%d",&n);
	for (int i=1;i<=n;i++)
	{
		scanf("%d",&a[i]);
		if (a[1]>1) sum[a[i]&1]++;
	}
	if (n==1)
	{
		if (a[1]&1) printf("Second\n");
		else printf("First\n");
		return 0;
	}
	while (1)
	{
		if (sum[0]&1)
		{
			printf("First\n");
			return 0;
		}
		if (sum[1]>1)
		{
			printf("Second\n");
			return 0;
		}
		if (sum[1]==1)
		{
			int GCD=-1;
			for (int i=1;i<=n;i++)
				if (a[i]>1)
				{
					if (a[i]&1) a[i]--;
					if (GCD==-1) GCD=a[i];
					else GCD=gcd(a[i],GCD);
				}
			sum[0]=sum[1]=0;
			for (int i=1;i<=n;i++)
				if (a[i]>1) a[i]/=GCD,sum[a[i]&1]++;
		}
	}
	return 0;
}
//all is 1: who faces even number of even number, lose./odd number of even number, win.

Submission Info

Submission Time
Task D - Decrementing
User vjudge3
Language C++14 (GCC 5.4.1)
Score 0
Code Size 811 Byte
Status WA
Exec Time 2103 ms
Memory 512 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:13:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
                    ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1000
Status
AC × 2
TLE × 1
AC × 28
WA × 12
TLE × 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 12 ms 512 KB
in10.txt AC 12 ms 512 KB
in11.txt WA 17 ms 512 KB
in12.txt AC 12 ms 512 KB
in13.txt WA 15 ms 512 KB
in14.txt WA 25 ms 512 KB
in15.txt AC 15 ms 512 KB
in16.txt AC 24 ms 512 KB
in17.txt WA 14 ms 512 KB
in18.txt WA 28 ms 512 KB
in19.txt AC 16 ms 512 KB
in2.txt AC 12 ms 512 KB
in20.txt AC 25 ms 512 KB
in21.txt WA 18 ms 512 KB
in22.txt WA 18 ms 512 KB
in23.txt AC 17 ms 512 KB
in24.txt WA 18 ms 512 KB
in25.txt AC 17 ms 512 KB
in26.txt AC 17 ms 512 KB
in27.txt WA 18 ms 512 KB
in28.txt AC 19 ms 512 KB
in29.txt AC 17 ms 512 KB
in3.txt AC 12 ms 512 KB
in30.txt AC 17 ms 512 KB
in31.txt AC 12 ms 512 KB
in32.txt AC 12 ms 512 KB
in33.txt WA 18 ms 512 KB
in34.txt WA 20 ms 512 KB
in35.txt WA 18 ms 512 KB
in36.txt AC 1 ms 128 KB
in37.txt TLE 2103 ms 128 KB
in4.txt AC 12 ms 512 KB
in5.txt AC 12 ms 512 KB
in6.txt AC 12 ms 512 KB
in7.txt AC 12 ms 512 KB
in8.txt AC 12 ms 512 KB
in9.txt AC 12 ms 512 KB
sample1.txt AC 1 ms 128 KB
sample2.txt TLE 2103 ms 128 KB
sample3.txt AC 1 ms 128 KB