题解 | #编写函数实现两数交换（指针方式）#

#include <iostream>
using namespace std;

// write your code here......


int main() {

    int m, n;
    cin >> m;
    cin >> n;

    // write your code here......
    int *p,*q;
    p = &m;
    q = &n;

    *p = (*p) ^ (*q);
    *q = (*p) ^ (*q);
    *p = (*p) ^ (*q);
    

    cout << m << " " << n << endl;

    return 0;
}