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Accounts Merge

Explore how to apply the Union Find algorithm to merge multiple accounts belonging to the same user. Understand how to identify accounts with shared emails and the same name, then combine their email lists efficiently. This lesson equips you to solve this common coding interview problem with clear logic and sorted results.

Statement

You are given a 2D array, accounts, where each row, accounts[i], is an array of strings, such that the first element, accounts[i][0] ...