Subarray Signal
A medium Python mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- Python
- Difficulty
- medium
- Seniority
- L4
Interview Prompt
A metrics export hands you per-interval signal deltas as a list of integers, some positive and some negative. Return the largest total any contiguous run of intervals can reach.
Summary
One stretch carries the strongest signal.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write and run your Python against test cases
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision