Compute time for virus to infect grid

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This is a medium difficulty Coding & Algorithms question, commonly asked during Technical Screen rounds at Uber.

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This question is commonly asked for Software Engineer candidates at Uber during technical interviews.

Question

Compute time for virus to infect grid

PracHub · Accepted Answer

This question evaluates a candidate's ability to reason about grid-based state propagation, algorithmic problem solving, and performance considerations when managing multi-step updates across a 2D matrix.

Quick Overview

Compute time for virus to infect grid