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 hard 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 Machine Learning Engineer candidates at OpenAI during technical interviews.

Streaming Entropy with Numerical Stability

Quick Overview

This question tests a candidate's ability to implement numerically stable online algorithms for computing Shannon entropy over streaming data. It evaluates mastery of floating-point precision, O(1) incremental state maintenance, and information-theoretic concepts applied to unbounded sequences — skills central to machine learning engineering roles.

hard
OpenAI
Coding & Algorithms
Machine Learning Engineer

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