SWAP

tctm221 2023-12-17 9:22:38 23

swap(a,b);

{{ vote && vote.total.up }}

zhangxuanrui

2024-05-29 21:31:56

#include <bits/stdc++.h> using namespace std; int main(){ int a,b; cin>>a>>b; cout<<b<<" "<<a; }