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The Mountain Peak

A medium Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain
Python
Difficulty
medium
Seniority
mid, senior

Interview Prompt

A telemetry system needs to efficiently locate local maxima in streaming data buffers. Given a list of integers, return the index of any peak element - one that is strictly greater than its neighbors. You may assume the array boundaries are treated as negative infinity, and you may return any valid peak index.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your python solution with real code execution
  4. Get instant feedback and a hire/no-hire decision