How do I practice coding and algorithm questions?

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 Technical Screen rounds at OpenAI.

What role is this question designed for?

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

Compute Plant Infection Time | OpenAI Coding Question

Quick Overview

This question evaluates a candidate's understanding of graph traversal and grid-based state propagation, including concepts like breadth-first search, reachability, obstacle handling, and edge-case reasoning.

medium
OpenAI
Coding & Algorithms
Software Engineer

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