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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
- mid, senior
Interview Prompt
A data cleaning pipeline processes sensor matrices where a zero value indicates a faulty cell that corrupts its entire row and column. Write a function that takes a matrix and sets the entire row and column of any zero element to zero. Modify in-place and return the matrix.
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