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Rotate n x n matrix by 90 degrees

medium Solve on LeetCode Solve on LeetCode

Problem
Examples
Solution
Video explanation
Method 1 - Naive approach using a copy matrix
Intuition
Approach
Code
Dry Run
Complexity
Method 2 - Four swap technique - layered looping
Intuition
Approach
Code
Complexity
Method 3 - Four swap technique - different looping
Code
Complexity
Dry Run
Method 4 - Using Transpose and Reverse
Intuition
Approach
Code
Complexity
Method 5 - Adding Decorator on the Top of Matrix

video explanation

video

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