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 $O(1)$.

Constraints

• $1$ $<=$ s.length $<=$ $1000$

• Each s[i] is a printable ASCII character.

Let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:

We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.

Implement your solution in the following coding playground.