//Wow 判断输入的字符串是否是回文
#include <string>
#include <cassert>
#include <cstddef>
#include <iostream>
using namespace std;
string cycle(string& modify){
for(size_t i = 0;i < modify.size()/2; i++){
string one = modify.substr(i,1);
string two = modify.substr(modify.size()-i-1,1);
modify.replace(i,1,two);
modify.replace(modify.size()-i-1,1,one);
}
return modify;
}
int main(){
string modify(" ");
string kuai(" ");
cout << "Please input wow:"<< endl;
cin >> modify;
kuai = modify;
if (kuai.compare(cycle(modify)))
cout << "It is not Wow /n";
else
cout <<"It is Wow"<<endl;
return 0;
}