pat1065 A+B and C (64bit)

#include<cstdio>
#include<iostream>
#include<algorithm>
#include<vector>
#include<queue>
#include<string>
#include<cstring>
#include<cmath>
#include<map>
#define ll long long
using namespace std;
int main()
{
	int n;
	ll x,y,z;
	while(scanf("%d",&n)!=EOF)
	{
		for(int i = 1;i<=n;i++)
		{
			scanf("%lld%lld%lld",&x,&y,&z);
			x = 1LL<<63;
			ll tmp = x+y;
			if(x>0&&y>0&&tmp<=0)printf("Case #%d: true\n",i);
			else if(x<0&&y<0&&tmp>=0)printf("Case #%d: false\n",i);
			else if(x+y>z)printf("Case #%d: true\n",i);
			else printf("Case #%d: false\n",i);
		}
	}
	return 0;
}