Find smallest common organization for employees

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Q: What difficulty level is this coding question?

This is a medium difficulty Coding & Algorithms question, commonly asked during Technical Screen rounds at Atlassian.

Q: What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Atlassian during technical interviews.

Question

Find smallest common organization for employees

PracHub · Accepted Answer

The question evaluates competency in hierarchical and graph data structures, including tree lowest-common-ancestor reasoning, DAG ancestor minimality, membership-set handling, dynamic updates, and algorithmic complexity analysis.

Quick Overview

Find smallest common organization for employees