Maximal Square in Binary Matrix

CodingDatabricksLast reported September 2025Low Frequency

Reported: 1× across candidate reports
First seen: September 2025
Last reported: September 2025
Reported outcome: unknown

Problem Overview

Given a 2D binary matrix filled with '0's and '1's, find the largest square submatrix that contains only '1's and return its area. A 1×1 cell of '1' counts as a valid…

1 candidate-reported follow-up — the exact probes interviewers asked, with the trigger for each
The rest of the problem statement — full requirements, constraints, and edge cases
Approach and trade-offs — what passing candidates did, and the mistakes that sink people

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Verified Source

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Interviewer Follow-ups

The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.