How do I practice coding and algorithm questions?

Use PracHub's coding console to write, test, and debug your solutions in Python or JavaScript. View hints, test against sample inputs, and compare with official solutions.

What difficulty level is this coding question?

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

What role is this question designed for?

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

Optimal Commute: Nearest Transit Distance in a City Grid

Quick Overview

This question evaluates a candidate's ability to apply multi-source breadth-first search to a grid-based shortest-path problem. It tests graph traversal skills, handling of blocked cells, and awareness of optimizing from a brute-force per-cell search to a single efficient pass, common in coding interviews assessing algorithmic efficiency. The scenario represents a conceptual-to-practical coding challenge in the algorithms domain.

medium
Databricks
Coding & Algorithms
Software Engineer