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Grokking the Coding Interview Patterns in Python

Longest Consecutive Sequence

Explore how to identify the longest consecutive sequence in an unsorted array by applying Union-Find data structure methods. This lesson guides you through problem understanding, logical steps, and coding implementation to enhance your algorithmic problem-solving skills for coding interviews.

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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 ...