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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. typedef long long ll;
  4. #define pi 3.14159265359
  5. #define el <<"\n"
  6.  
  7. int main() {
  8. ios::sync_with_stdio(false);    
  9. cin.tie(nullptr);
  10. cout.tie(nullptr);
  11.  
  12.  char s[10000];
  13.  cin>>s;
  14.  int len = 0;
  15.  while(s[len] != '\0'){
  16.  	len++;
  17.  }
  18.  bool palindrome = true;
  19.  for(int i = 0;i<len/2;i++){
  20.  	if(s[i] != s[len - 1 - i]){
  21.  		palindrome = false;
  22.  		break;
  23.  	}
  24.  }
  25.  
  26.  if(palindrome){
  27.  	cout<< "YES" el;
  28.  }
  29.  else{
  30.  	cout<< "NO" el;
  31.  }
  32.     return 0;
  33. }
Success #stdin #stdout 0.01s 5320KB
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abba
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YES
https://ideone.com/dFwmfU
language:
C++14 (gcc 8.3)
created:
3 hours ago
visibility:
public

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