The Water Collector
A hard Python mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Python
- Difficulty
- hard
- Seniority
- L5
Interview Prompt
A survey gives you the `heights` of a row of vertical walls. Any two walls, together with the ground between them, form a container whose capacity is the height of the shorter wall times the distance between the two. Return the greatest capacity any pair of walls can hold.
Summary
Two walls, one sky, and a very important question.
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