1065. A+B and C (64bit) (20)

题目：1065. A+B and C (64bit) (20)

#include<stdio.h>int main(){    long long a,b,c;    int n,i,tag=0;    scanf("%d",&n);    for(i=0;i<n;i++)    {        scanf("%lld %lld %lld",&a,&b,&c);        long long ans=a+b;        if(a>0&&b>0&&ans<=0)tag=1;        else if(a<0&&b<0&&ans>=0)tag=0;        else tag=(ans>c);        if(tag)printf("Case #%d: true\n",i+1);        else printf("Case #%d: false\n",i+1);    }}