Account Merging with Union-Find Data Structure
Problem Description
Given a list of accounts where each account is represented as a list of strings, the first element being a name and the remaining elements being email addresses associated with that account. The task is to merge these accounts based on shared email addresses. If two accounts have at least one email in common, they belong to ...
Posted on Wed, 05 Aug 2026 16:32:12 +0000 by arya202