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Solution: Reverse String

Explore the two pointers technique to reverse a string array in place without extra memory. Learn to swap characters efficiently, understand the O(n) time and O(1) space complexities, and master in-place string reversal for 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) ...