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Rotate Image

MediumMatrix

You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees clockwise and return the rotated matrix.

Example:

Input: matrix = [[1,2,3],[4,5,6],[7,8,9]]
Output: [[7,4,1],[8,5,2],[9,6,3]]

Constraints:

  • n == matrix.length == matrix[i].length
  • 1 <= n <= 20
  • -1000 <= matrix[i][j] <= 1000