输入`-0`，你输出`-`。
by sLMxf @ 2023-06-22 21:16:39
@[Myself_Hisy](/user/922691)
by sLMxf @ 2023-06-22 21:17:11
@[Myself_Hisy](/user/922691) HACK: `0`
by tZEROちゃん @ 2023-06-22 21:18:00
@[Myself_Hisy](/user/922691)
```cpp
#include<iostream>
using namespace std;
long long a,b,c;
int main(){
cin>>a;
b=a;
while(b){
c*=10;
c+=b%10;
b/=10;
}
cout<<c;
return 0;
}
```
不用特判符号
by _buzhidao_ @ 2023-06-22 21:48:39
@[so_langman_xiaoFeng](/user/752953) ,谢谢！
by Kapo_Hisy @ 2023-06-22 22:08:20