Task Scheduler with Deadlines and Subtasks

Phone ScreenScale AILast reported August 2026High Frequency
Reported
10× across candidate reports
First seen
March 2026
Last reported
August 2026
Reported outcome
mixed

Problem Overview

You build a task scheduler in three graded parts, one class that grows. In the reported round it is a 60-minute phone screen on HackerRank, usually with your screen shared (one candidate was not asked to share), the tests are already written, and one candidate believed all three parts had…

  • 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 Scale AI catalog
Full problem statements, candidate-reported follow-ups, and walkthroughs — for every Scale AI 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?