## Leetcode 48 Rotate Image

Problem Statement You are given an n x n 2D matrix representing an image, rotate the image by 90 degrees (clockwise). You have to rotate the image in-place, which means you have to modify the input 2D matrix directly. DO NOT allocate another 2D matrix and do the rotation. Example 1: Input: matrix = \ [ [1, 2, 3], [4, 5, 6], [7, 8, 9] ] Output: [ [7, 4, 1], [8, 5, 2], [9, 6, 3] ] Example 2:...