题解 | #交换数值#

#include using namespace std;

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

int main() {

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

// write your code here......
swap(m, n);
cout << m << " " << n << endl;

return 0;

} void swap(int &m, int &n){ int temp = m; m = n; n = temp; }