Where the Deltas Settle
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
A monitoring export hands you `nums`, a sequence of per-interval integer deltas that can be positive, negative, or zero. Count how many contiguous stretches of `nums` sum to exactly `k`.
Summary
Every stretch of the stream tells its own story. Count the ones that settle to your number.
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