Easystringstwo-pointers

Palindrome Check

Time limit 2 s · Memory 64 MB

Statement

You are given a string of lowercase Latin letters. Print YES if it is a palindrome (reads the same forwards and backwards), otherwise NO.

String length is between 1 and 10^5

Input 1

racecar

Output 1

YES

Input 2

hello

Output 2

NO

Solve this task to unlock the editorial.

Stuck? Get a nudge — the tutor explains the idea, it never hands you the solution.