Apple vs Databricks Interview Questions
Apple lists 300 LeetCode interview questions while Databricks lists 31. They share 17 problems — 6% of Apple's bank and 55% of Databricks's. Focus on the overlap first, then drill into 283 Apple-only and 14 Databricks-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 17 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Databricks.
Step 2 — Company-specific depth: Add Apple-specific problems like LRU Cache, Number of Islands, Best Time to Buy and Sell Stock and Databricks-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Databricks skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
17 Shared Questions
High-priority problems to practice for both Apple and Databricks.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Intervals | Medium |
| Design Hit Counter | Medium |
| Spiral Matrix | Medium |
| Time Based Key-Value Store | Medium |
| Snapshot Array | Medium |
| Design Tic-Tac-Toe | Medium |
| Text Justification | Hard |
| String to Integer (atoi) | Medium |
| Rotting Oranges | Medium |
| House Robber | Medium |
| Find All Anagrams in a String | Medium |
| Minimum Knight Moves | Medium |
| House Robber II | Medium |
| Shortest Path in Binary Matrix | Medium |
| Permutation in String | Medium |
| Number of Recent Calls | Easy |
Unique to Apple (283)
Problems in Apple's list that do not appear at Databricks.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Reverse Linked List | Easy |
| Valid Sudoku | Medium |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Valid Parentheses | Easy |
Unique to Databricks (14)
Problems in Databricks's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and Databricks share?
Apple and Databricks share 17 LeetCode interview questions. 283 problems appear only in Apple's list and 14 appear only in Databricks's list.
What topics overlap most between Apple and Databricks?
The most common shared topics between Apple and Databricks are Array (11 shared questions), Hash Table (6 shared questions), Design (5 shared questions), String (5 shared questions), Matrix (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Databricks?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Databricks has 2 Easy, 22 Medium, and 7 Hard questions. Databricks has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Databricks?
Start with the 17 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 14 Databricks-specific questions to round out your prep.