LeetCode 48: Rotate Image | Python Solution | Matrix Manipulation
🔄 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-...
🔗 Solution code: https://leetcode.com/problems/rotate-...
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
In questa pagina del sito puoi guardare il video online LeetCode 48: Rotate Image | Python Solution | Matrix Manipulation della durata di ore minuti seconda in buona qualità , che l'utente ha caricato Code Scribbler 07 agosto 2025, condividi il link con amici e conoscenti, su youtube questo video è già stato visto 130 volte e gli è piaciuto 1 spettatori. Buona visione!
