Debug the Project-Assignment Codebase

Also reported as Debug Round · Assign Project (Debugging) · Task Allocation Debugging Across Multiple Files

CodingScale AILast reported May 2026Medium Frequency
Reported
6× across candidate reports
First seen
March 2025
Last reported
May 2026
Reported outcome
mixed

Problem Overview

You are given an existing codebase that assigns contributors to projects, and three of its tests fail. You run the tests, trace each failure to the code responsible, and fix it, in Python or TypeScript. The program reads spreadsheet data on contributors, the courses they have taken and the projects…

  • 1 candidate-reported follow-up — 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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