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Use PracHub's coding console to write, test, and debug your solutions in Python or JavaScript. View hints, test against sample inputs, and compare with official solutions.

What difficulty level is this coding question?

This is a medium difficulty Coding & Algorithms question, commonly asked during Onsite rounds at Notion.

What role is this question designed for?

This question is commonly asked for Data Engineer candidates at Notion during technical interviews.

Implement a DAG task graph | Notion Coding Question

Quick Overview

This question evaluates competency with directed acyclic graphs, graph algorithms (topological sorting), dependency modeling, and implementing data structures to represent task graphs.

medium
Notion
Coding & Algorithms
Data Engineer

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