Topological Sort / Dependency Ordering

CodingRobloxLast reported June 2026Medium Frequency
Reported
9× across candidate reports
First seen
July 2025
Last reported
June 2026
Reported outcome
mixed

Problem Overview

The round is one graded problem with error handling, and reports agree the specification is deliberately ambiguous - you learn the exact rules from the test cases, so write something quickly and leave time to fix it. Part 1 - build order You are given a list of dependency declarations.…

  • 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
Unlock the full Roblox catalog
Full problem statements, candidate-reported follow-ups, and walkthroughs — for every Roblox question.
Unlock with Pro
Already a member? Sign in
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.
Is this helpful?