题解 | #编写函数实现两数交换（引用方式）#
编写函数实现两数交换（引用方式）
https://www.nowcoder.com/practice/19ff3da82df740a9a662aaf59aa41c5d
#include <iostream>
#include <unistd.h>
#include <utility>
using namespace std;
// write your code here......
void swap(int &a,int &b){
int temp = a;
a = b;
b = temp;
}
int main() {
int m, n;
cin >> m;
cin >> n;
// write your code here......
swap(m,n);
cout << m << " " << n << endl;
return 0;
}
