Grokking 75: Top Coding Interview Questions
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Problem Statement

Given an n x n 2D matrix, modify a square matrix by rotating it 90 degrees in a clockwise direction.

Note: This rotation should be done in-place, meaning the transformation must occur within the original matrix without using any additional space for another matrix.

Examples

  • Example 1:
    • Input: matrix =
[[1,2],
 [3,4]]
  • Expected Output:
[[3,1],
 [4,2]]

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