The One-Way Street
An easy 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
- easy
- Seniority
- L3
Interview Prompt
You're profiling a numeric column pulled from a metrics export, hunting for the longest stretch where the readings only ever move one way. Given `arr`, return the length of that stretch.
Summary
The longest stretch that never turns around.
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