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In this video, we solve LeetCode 128: Longest Consecutive Sequence using an optimal O(n) approach in Java. We cover the logic ...

PROBLEM DESCRIPTION* Given an unsorted array of integers, find the length of the longest consecutive elements sequence.

The Longest Consecutive Sequence (LeetCode #128) is a classic coding interview problem that tests your understanding of ...

Master LeetCode 3304: Find the K-th Character in String Game I! In this video, we break down this string generation problem ...

LeetCode #3 — Longest Substring Without Repeating Characters (Medium). Full Java solution explained with animations, ...

Confused about which language to start DSA? This video explains language choice, when to start, DSA topics, priority list, ...