题解 | #按照格式输入并交换输出#

#include <iostream>
using namespace std;

int main() {
    int a = 0, b = 0, temp;

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

    temp = a;
    a = b;
    b = temp;

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

    return 0;
}