TikTok Interview Problem #5 — Check if a String Is a Palindrome｜Interview Prep｜Coding Challenge

Given a string s, return true if it is a palindrome, or false otherwise.

Input:
s = "aba"

Output:
true

This problem checks whether a string is a palindrome, meaning it reads the same forward and backward.

Typical approach:

• Use two pointers, comparing characters from the beginning and end.
• If all pairs match, return true; otherwise return false.

Runs in O(n) time and O(1) space (two-pointer approach).

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