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Solution: Reverse String

Explore the two pointers technique to reverse a string represented as a character array in place. This lesson guides you through swapping characters from both ends towards the center, ensuring an O(n) time complexity and constant space usage. Understand how to implement this efficient solution for array and string problems commonly seen in coding interviews.

Statement

You are given a character array, s, representing a string. Write a function that reverses the array in-place.

  • The reversal must be done by modifying the original array directly.

  • You cannot use extra memory beyond a constant amount O(1)O(1) ...