Google coding question, reconstructed from 2 candidate reports (May 2026 to June 2026). Candidates reported 2 follow-ups. The write-up includes a Python solution that passes 10 test cases.
2 candidate-reported follow-ups — the probes candidates report being asked, with the trigger for each
The full 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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Full problem statements, candidate-reported follow-ups, and walkthroughs — for every Google question.