Databricks vs Roblox Interview Questions
Databricks lists 31 LeetCode interview questions while Roblox lists 56. They share 9 problems — 29% of Databricks's bank and 16% of Roblox's. Focus on the overlap first, then drill into 22 Databricks-only and 47 Roblox-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 9 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Databricks and Roblox.
Step 2 — Company-specific depth: Add Databricks-specific problems like IP to CIDR, Design Tic-Tac-Toe, House Robber and Roblox-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Roblox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
9 Shared Questions
High-priority problems to practice for both Databricks and Roblox.
| Problem | Difficulty |
|---|---|
| Design Hit Counter | Medium |
| Number of Recent Calls | Easy |
| Text Justification | Hard |
| Number of Flowers in Full Bloom | Hard |
| Spiral Matrix | Medium |
| Find the Length of the Longest Common Prefix | Medium |
| Merge Intervals | Medium |
| Rotting Oranges | Medium |
| Two Sum | Easy |
Unique to Databricks (22)
Problems in Databricks's list that do not appear at Roblox.
| Problem | Difficulty |
|---|---|
| IP to CIDR | Medium |
| Design Tic-Tac-Toe | Medium |
| House Robber | Medium |
| Find All Anagrams in a String | Medium |
| Step-By-Step Directions From a Binary Tree Node to Another | Medium |
| Time Based Key-Value Store | Medium |
| House Robber II | Medium |
| RLE Iterator | Medium |
| Longest Palindrome by Concatenating Two Letter Words | Medium |
| Closest Leaf in a Binary Tree | Medium |
| Shortest Path in a Grid with Obstacles Elimination | Hard |
| Snapshot Array | Medium |
Unique to Roblox (47)
Problems in Roblox's list that do not appear at Databricks.
Frequently Asked Questions
How many LeetCode questions do Databricks and Roblox share?
Databricks and Roblox share 9 LeetCode interview questions. 22 problems appear only in Databricks's list and 47 appear only in Roblox's list.
What topics overlap most between Databricks and Roblox?
The most common shared topics between Databricks and Roblox are Array (8 shared questions), Hash Table (3 shared questions), Binary Search (2 shared questions), Design (2 shared questions), Queue (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Databricks or Roblox?
Databricks has 2 Easy, 22 Medium, and 7 Hard questions. Roblox has 8 Easy, 35 Medium, and 13 Hard questions. Roblox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Databricks and Roblox?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 Databricks-specific and 20 Roblox-specific questions to round out your prep.