PAT 甲级 A1065 （2019/01/29）

 1 #include<cstdio>
 2 int main(){
 3     int n, countCase = 1;
 4     long long a, b, c, sum;
 5     scanf("%d", &n);
 6     while(n--){
 7         bool flag;
 8         scanf("%lld%lld%lld", &a, &b, &c);
 9         sum = a + b;
10         if(a < 0 && b < 0 && sum >= 0)
11             flag = false;
12         else if(a > 0 && b > 0 && sum < 0)
13             flag = true;
14         else if(sum > c)
15             flag = true;
16         else
17             flag = false;
18         if(flag == true)    
19             printf("Case #%d: true\n",countCase++);
20         else    
21             printf("Case #%d: false\n",countCase++);    
22     }
23     return 0;    
24 }