Chetan Dattachetan77.hashnode.dev·Dec 25, 2023128. Longest Consecutive SequenceProblem 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. (link) Example 1: Input: nums = [100,4,200,1,3,2] Output: 4 Explanation: T...Leetcodelongest-consecutive-sequence