The Zero Propagator
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 2D integer matrix, zero-out every row and every column that originally contains at least one 0. Return the resulting matrix (the test harness accepts a returned matrix; in-place modification is fine too).
Summary
One zero can change the whole picture.
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