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
- L4
Interview Prompt
Given a non-empty list of integers, return the index of any peak element - one strictly greater than both its neighbors. Treat the outside of the array as negative infinity. Algorithm must run in O(log n).
Summary
The sequence has a summit.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your python solution with real code execution
- Get instant feedback and a hire/no-hire decision