Merge Intervals

Also reported as LeetCode 56

CodingAmazonLast reported June 2026Medium Frequency
Reported
5× across candidate reports
First seen
October 2025
Last reported
June 2026
Reported outcome
mixed

Problem Overview

The round: LeetCode 56, Merge Intervals, in five reports from October 2025 to June 2026: an Applied Scientist phone screen, a science-breadth screening round that gave 30 minutes of coding with no test cases and no way to run the code (the interviewer said whether it was right), two Applied…

  • 3 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.
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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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