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LeetCode 48: Rotate Image | Python Solution | Matrix Manipulation

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Aug 7, 2025
6:55

🔄 Efficiently rotate a square matrix 90 degrees clockwise in-place without using extra space. #matrix #arrays #inplace #rotation ⏱️ Time Complexity: O(n²) - where n is the size of the matrix 💾 Space Complexity: O(1) - in-place solution, no extra space needed ## Timestamps 00:00 - Understanding problem statement 01:23 - Without in-place operation 01:58 - Discuss optimal solution 05:29 - Big O Notation calculated 06:00 - Python code walk-through 06:36 - Solution analysis - runtime + memory 06:44 - Conclusion ## Key Concepts 📌 Matrix manipulation 📌 In-place algorithms 📌 Transpose and reverse techniques 📌 2D array traversal ## Learning Points 🔹 How to visualize and implement matrix rotations 🔹 Techniques for solving problems in-place 🔹 Pattern recognition for matrix transformations 🔹 Breaking down complex operations into simple steps (transpose + reverse) ## Related LeetCode Problems - #54 Spiral Matrix - #73 Set Matrix Zeroes - #867 Transpose Matrix - #1260 Shift 2D Grid ## Target Audience This video is perfect for software engineers preparing for coding interviews, computer science students learning data structures, or anyone interested in efficient matrix manipulation techniques in Python. ## Prerequisites - Basic Python syntax - Understanding of 2D arrays/matrices - Basic time and space complexity concepts ## Links 🔗 Problem: https://leetcode.com/problems/rotate-image/ 🔗 Solution code: https://leetcode.com/problems/rotate-image/solutions/6997597/matrix-rotation-solution-in-python-with-ehay4 ## Additional Tips 💡 Show the mathematical relationship between original and rotated indices 💡 Visualize the rotation with a diagram to help understanding 💡 Demonstrate both the naive and optimal solutions for comparison ## Call to Action If you found this solution helpful, please hit that subscribe button and notification bell to stay updated on more coding interview preparation videos! Drop your questions or solution approaches in the comments below. #leetcode #pythonsolution #codinginterview

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LeetCode 48: Rotate Image | Python Solution | Matrix Manipulation | NatokHD