1. #include <stdio.h>
    3. int main() {
    4.     int left, right;
    6.     scanf("%d,%d", &left, &right);
    7.     printf("%d == %d is %d\n", left, right, left == right);
    9.     return 0;
    10. }
    • 代码2-1：两数相等判断