题解 | 交换两个变量的值

#include <iostream>
using namespace std;

int main() {

    int a = 0;
    int b = 0;
    cin >> a;
    cin >> b;

    //write your code here.......
    int temp;
    temp = a;
    a = b;
    b = temp;

    cout << a << " " << b << endl;
    
    return 0;
}