Submission #8092912

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
bool chk(string s){
  string t=s;
  reverse(begin(t),end(t));
  return s==t;
}
main(){
  string s;
  cin>>s;
  int n=s.size();
  for(int i=0;i<n;++i){
    string add=s.substr(0,i);
    reverse(begin(add),end(add));
    string t=s+add;
    if(chk(t)){
      cout<<i<<endl;
      return 0;
    }
  }
}

Submission Info

Judge Result