```cpp
#include<bits/stdc++.h>
using namespace std;
int main(){
double n;
cin>>n;
int a,b,c,d,m;
m=int(n*10);
a=m/1000;
b=m/100%10;
c=m/10%10;
d=m%10;
cout<<d<<"."<<c<<b<<a;
return 0;
}
```
by zhongshengyuan @ 2024-04-17 12:41:40
@[henry_jfsun](/user/1010344)
```python
a=input()[::-1]
print(a[1:])
```
这代码能过。我发现所有样例的第一个字符是个ASCII的13,也就是个回车,说明洛谷这编译器Python的input函数能把回车吃了。很玄幻吧,我也很诧异
by DarkStarzyy @ 2024-04-21 02:13:20