@[ZJX32](/user/1331233) 你的代码厌氧了，关闭O2即可，语言不用要求
by yangyang1000 @ 2024-04-10 07:14:36
用字符数组也行
```cpp
#include<iostream>
using namespace std;
int main()
{
char ch[10];
cin>>ch;
cout<<ch[4]<<ch[3]<<ch[2]<<ch[1]<<ch[0]<<endl;
return 0;
}
```
by Guanguplussss @ 2024-04-21 11:50:30