```cpp
#include<bits/stdc++.h>
using namespace std;
int main(){
int b,d,a,c,e;
c=0;//初始化qwq
cin>>a;
while(a){
c=c*10+a%10;
a/=10;
}
cout<<c;
return 0;
}
```
by sbno333 @ 2023-11-23 16:42:46
啊？
就要这么点？
by xingjielong @ 2023-11-25 18:44:47
啊？还通过了？
by xingjielong @ 2023-11-25 18:45:45
幸好有缺点
1.范围较小
2.特殊情况前导0删不掉
by xingjielong @ 2023-11-25 18:50:54