Start: Dec, 04, 2016 12:00:00
杭州师范大学第十届程序设计竞赛—正式
End: Dec, 04, 2016 17:00:00
Time elapsed:
Time remaining:

Problem_ID: C
Result: Accepted
Time: 1ms
Memory: 1092kB
In contest: 1075

#include<stdio.h>
void main()
{
	int T,A;
	scanf("%d",&T);
	while(T--)
	{
		scanf("%d",&A);
		if(A>=15)
		{
			printf("%d\n",A-7);
		}
		if(A<15)
		{
			printf("%d\n",-1);
		}
	}
}