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Grokking the Coding Interview Patterns in Go

Solution: Longest Consecutive Sequence

Explore the Union Find pattern to solve the Longest Consecutive Sequence problem in an unsorted array. This lesson helps you understand how to model consecutive sequences as connected components, implement union operations to merge sets, and efficiently find the length of the largest consecutive sequence with linear time complexity.

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Statement

Given an unsorted array, nums, your task is to return the length of the longest consecutive sequence of elements. The consecutive sequence of elements is such that there are no missing elements in the sequence. The consecutive elements can be present anywhere in the input array.

Note: Two elements, xx and yy, are called consecutive if the difference between them is equal to 11.

Constraints:

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