UVALive 7035 Built with Qinghuai and Ari Factor（水题）

思路：判断所有数能不能整除3,水题

#include<iostream>
#include<cstdio>
using namespace std;

int main()
{
	int T,cas=1;
	scanf("%d",&T);
	while(T--)
	{
		int n;
		scanf("%d",&n);
		int flag = 1;
		while(n--)
		{
			int x;
			scanf("%d",&x);
			if(x%3!=0)
				flag=0;
		}
		if(flag)
			printf("Case #%d: Yes\n",cas++);
		else
			printf("Case #%d: No\n",cas++);
	}
}