输入多组数字求余数，没有具体组不超过100组

Question

Answer 1

供参考：

#include<stdio.h>
int main()
{
    int a, b;
    while (scanf("%d%d", &a, &b) == 2 && a != -1) {
        printf("%d\n", a % b);
    }
    return 0;
}