Tetris / Falling Blocks Simulator

CodingDatabricksLast reported January 2026Low Frequency

Reported: 3× across candidate reports
First seen: November 2025
Last reported: January 2026
Reported outcome: mixed

Problem Overview

You are given three inputs: (1) a 2D array representing the game background/environment, which may contain pre-existing obstacle cells; (2) a 2D array representing a Tetris-like block/piece shape; and (3) an integer offset indicating the starting column where the block begins to fall from the top of the background. The…

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

Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.

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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.