Implement an expiring counter class

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

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

Question

Implement an expiring counter class

PracHub · Accepted Answer

This question evaluates a candidate's competency in implementing a sliding-window expiring counter, testing knowledge of streaming algorithms, data structures for time-series aggregation, amortized time complexity, and memory-efficient design in the Coding & Algorithms domain.

Quick Overview

Implement an expiring counter class