Longest Consecutive Sequence | LeetCode 128 | O(n log n) → O(n) Explained
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YouTubeMuzammil Khan
Longest Consecutive Sequence | LeetCode 128 | O(n log n) → O(n) Explained
In this video, we solve the Longest Consecutive Sequence problem (LeetCode 128) step by step. Lecture Code: https://docs.google.com/document/d/1m4kWSyNd3pouFl8eDAA3aBHVdqoFN5v67byu0QBVHHU/edit?usp=sharing We first build intuition using a simple O(n log n) sorting-based approach, and then optimize it to an O(n) solution using a HashSet. The ...
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