浙大OJ刷题1001

原题地址

1001:A + B Problem

题目 A + B Problem

Time Limit: 2000 msMemory Limit: 65536 KB

Calculate a + b

Input
The input will consist of a series of pairs of integers a and b,separated by a space, one pair of integers per line.

Output
For each pair of input integers a and b you should output the sum of a and b in one line,and with one line of output for each line in input.

Sample Input
1 5

Sample Output
6

Hint
Use + operator

我的答案

#include<stdio.h>
int main(){
    int a,b;
    while(~scanf("%d%d",&a,&b)){
            printf("%d\n",a+b);
    }
    return 0;
}

总结

~scanf("%d%d",&a,&b)

scanf("%d%d",&a,&b)!=EOF

scanf("%d%d",&a,&b)!=-1

以上三者等价