题解 | #按照格式输入并交换输出#

#include <stdio.h>

int main() {
    int a=0;
    int b=0;
    int tem = 0;
    scanf("a=%d,b=%d", &a, &b);
    tem = a;
    a = b;
    b = tem;
    printf("a=%d,b=%d", a, b);
    return 0;
}