Merge K Sorted Lists - LeetCode 23 - Python - Visually Explained

LeetCode 23 - Merge K Sorted Lists explained with animations. We start with the brute-force approach of merging one by one (O(NK)), then optimize with a min heap and pairwise merging, both achieving O(N log K). Full Python code included for all three solutions.

How to Merge Two Sorted Linked Lists:
https://www.youtube.com/shorts/B386RYrcHCI

#leetcode #algorithm #codinginterviews #programming #mergesort #divideandconquer #motioncanvas

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