Problem Statement: Given an unsorted array of integers nums, return the length of the longest consecutive elements sequence. You must write an algorithm that runs in O(n) time.
Problem Link: https://leetcode.com/problems/longest-consecutive-sequence/
We have solved this question in ways i.e. brute, better and optimal. Please like, share and subscribe if you found the video useful. Feel free to ask in the comments section if you have any doubts.
00:00 : Introduction
00:09 : Understanding Question
01:01 : Brute Force Approach
07:00 : Better Approach
11:20 : Optimal Solution
16:07 : Coding
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