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Longest Low-Variance Telemetry Window

SonatusMediumCoding00:00
Sonatus
Your interviewer · Software Engineer
In session
Interviewer

Welcome to your interview for the Software Engineer role at Sonatus.

The question is on your right: Longest Low-Variance Telemetry Window. Take a moment with it first.

Talk your thinking through with me if you like - when you're confident, submit your answer and I'll grade it like a real screen. You have three graded attempts to score 7/10 or better.

Only Submit answer is graded - discussion is free practice.

Problem

Given an array of vehicle telemetry signals, find the longest contiguous subarray where the signal variance remains below a specific threshold.