Submission #1445103


Source Code Expand

#include<cstdio>
using namespace std;
int gcd(int x,int y){
	int r;
	while(y)
	{
		r=x%y;
		x=y;
		y=r;
	}
	return x;
}
int main()
{
//	freopen("A.in","r",stdin);
	int n,k;
	int mx=0,r,x;
	scanf("%d%d",&n,&k);
	for(int i=1;i<=n;i++)
	{
		scanf("%d",&x);
		if(i==1) r=x;
		else
			r=gcd(r,x);
		if(x>mx) mx=x;
	}
	if(mx<k) printf("IMPOSSIBLE\n");
	else
	{
		if((mx-k)%r)
			printf("IMPOSSIBLE\n");
		else
			printf("POSSIBLE\n");
	}
	return 0;
}

Submission Info

Submission Time
Task A - Getting Difference
User xzkflowey
Language C++14 (GCC 5.4.1)
Score 300
Code Size 481 Byte
Status AC
Exec Time 12 ms
Memory 128 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
                     ^
./Main.cpp:21:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x);
                 ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 4
AC × 19
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 128 KB
sample_02.txt AC 1 ms 128 KB
sample_03.txt AC 1 ms 128 KB
sample_04.txt AC 1 ms 128 KB
subtask_1_01.txt AC 1 ms 128 KB
subtask_1_02.txt AC 1 ms 128 KB
subtask_1_03.txt AC 12 ms 128 KB
subtask_1_04.txt AC 12 ms 128 KB
subtask_1_05.txt AC 6 ms 128 KB
subtask_1_06.txt AC 2 ms 128 KB
subtask_1_07.txt AC 8 ms 128 KB
subtask_1_08.txt AC 11 ms 128 KB
subtask_1_09.txt AC 5 ms 128 KB
subtask_1_10.txt AC 9 ms 128 KB
subtask_1_11.txt AC 10 ms 128 KB