The Zero Propagator

A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain

Python

Difficulty

medium

Seniority

L4

Problem

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.

Practice This Problem

Solve this Python problem with real code execution. DataDriven runs your Python code in a real environment and grades it automatically.