题解:无
1 #include<iostream>
2 using namespace std;
3 int main(){
4 char a[4];
5 while(cin>>a){
6 for(int i=3;i>=0;i--){
7 cout<<a[i];
8 }
9 cout<<endl;
10 }
11 return 0;
12 }
来源:https://www.cnblogs.com/cutelife/p/12048584.html