Compute a moving average on a stream

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Q: What difficulty level is this coding question?

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

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

Question

Compute a moving average on a stream

PracHub · Accepted Answer

This question evaluates understanding of streaming data structures, sliding-window aggregation, and the time/space trade-offs involved in maintaining running statistics over recent inputs, testing algorithmic efficiency and numerical handling skills.

Quick Overview

Compute a moving average on a stream