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 test = 0;
    
    scanf("a=%d,b=%d",&a,&b);

    test =a;
    a = b;
    b = test;

    printf("a=%d,b=%d",a,b);

    return 0;
}