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Serval Interview Experiences
3935 interview stories from candidates at 857 companies: how each round went, what was asked and how it ended. Every company page links to practice questions in the same style.
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- Interview Ended at 60 of 90 Minutes, Still RejectedServal · Onsite · Jul 2026Rejected
The onsite interview was 90 minutes: an hour of coding plus 30 minutes of DB schema design. The coding part had two sub-questions. You're given a list-based stream where each item has a timestamp (sorted ascending) and a motion intensity between 0 and 1. Given a threshold, find all the continuous time periods where the motion intensity is greater than or equal to the threshold, and return the sta…