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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. bool isPalindrome(const string &s) {
  5.     int left = 0, right = s.length() - 1;
  6.  
  7.     while (left < right) {
  8.         if (s[left] != s[right])
  9.             return false;
  10.         left++;
  11.         right--;
  12.     }
  13.  
  14.     return true;
  15. }
  16.  
  17. int main() {
  18.     string S;
  19.     cin >> S;
  20.  
  21.     if (isPalindrome(S))
  22.         cout << "YES" << endl;
  23.     else
  24.         cout << "NO" << endl;
  25.  
  26.     return 0;
  27. }
  28.  
Success #stdin #stdout 0.01s 5276KB
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https://ideone.com/bT2R6z
language:
C++ (gcc 8.3)
created:
12 days ago
visibility:
public

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