Morse Code Encoding, Decoding and Segmentation

CodingAmazonLast reported March 2026Low Frequency
Reported
3× across candidate reports
First seen
November 2025
Last reported
March 2026
Reported outcome
mixed

Problem Overview

The round: Morse code, in three reports posted from November 2025 to March 2026. Two shapes are reported: - Four progressive parts (a phone screen for Amazon's FAR team, reported March 2026): encode; decode with separators; decode one word without separators, given a vocabulary; decode several words without separators. The…

  • 4 candidate-reported follow-ups — the exact probes interviewers asked, with the trigger for each
  • 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.
Codex Fact-Checked
Technical claims, formulas, and scale numbers are reviewed against primary sources.
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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