@[gaozq2023](/user/1186616)
```cpp
#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main(){
int a,b,c,d;
scanf("%1d%1d%1d.%1d",&a,&b,&c,&d);
printf("%d.%d%d%d",d,c,b,a);
}
```
就行了
by penguin_is_cool @ 2024-03-03 17:33:58
@[gaozq2023](/user/1186616)
by wuyuling @ 2024-04-04 21:44:21
牛!!!
by gaozq2023 @ 2024-04-08 20:13:11