fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int long long
  4. #define str string
  5.  
  6. int t;
  7. str s;
  8.  
  9. int check(){
  10.     cin >> s;
  11.     int dem = 0;
  12.     for (int i = 0; i < s.size() / 2; i ++){
  13.         if (s[i] != s[s.size() - i - 1]) dem ++;
  14.         if (dem > 2){
  15.             cout << "NO" << endl;
  16.                 return 0;
  17.             }
  18.         }
  19.     cout << "YES" << endl;
  20.  
  21.     return 0;
  22. }
  23.  
  24. signed main(){
  25.     freopen ("REPLACE.INP", "r", stdin);
  26.     freopen ("REPLACE.OUT", "w", stdout);
  27.  
  28.     cin >> t;
  29.  
  30.     while (t --){
  31.         check();
  32.     }
  33. }
Success #stdin #stdout 0s 5300KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/BRta9E
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!