Distributed Token Bucket Rate Limiter (Coding Round)

CodingxAILast reported April 2026Low Frequency
Reported
2× across candidate reports
First seen
September 2025
Last reported
April 2026
Reported outcome
unknown

Problem Overview

A 45-minute coding round built on a template the interviewer hands you. Two reports: a September 2025 onsite where this was round 1, and an April 2026 loop where it was the only coding round, known there as the Token Limiter question. Two functions are graded. Given -- already in…

  • The rest of the problem statement — full requirements, constraints, and edge cases
  • Approach and trade-offs — what passing candidates did, and the mistakes that sink people
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Verified Source
Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.
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Interviewer Follow-ups
The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.
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