Weekly/Google Calendar UI with Event Creation

CodingRobinhoodLast reported October 2025Low Frequency
Reported
2× across candidate reports
First seen
July 2025
Last reported
October 2025
Reported outcome
unknown

Problem Overview

Build an interactive weekly calendar UI in React. The grid has 7 days as rows (or columns, per mockup) and hourly time slots as the other axis, with time labels displayed on the left side. Each cell must be clickable: clicking a cell opens a dialog/modal that…

  • 2 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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