题解 | #交换两个变量的值#

#include <iostream>
#include <algorithm>
using namespace std;

int main() {

    int a = 0;
    int b = 0;
    cin >> a;
    cin >> b;
    //write your code here.......
    //void swap(int &a, int &b);
    void myswap(int &a, int &b);
    myswap(a,b);
    cout << a << " " << b << endl;  
    return 0;
}

void myswap(int &a, int &b){
  int temp = a;
  a = b;
  b = temp;
}