Apple vs Rubrik Interview Questions
Apple lists 300 LeetCode interview questions while Rubrik lists 35. They share 9 problems — 3% of Apple's bank and 26% of Rubrik's. Focus on the overlap first, then drill into 291 Apple-only and 26 Rubrik-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 Apple and Rubrik.
Step 2 — Company-specific depth: Add Apple-specific problems like Two Sum, Number of Islands, Merge Intervals and Rubrik-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Rubrik 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 Apple and Rubrik.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Snapshot Array | Medium |
| Design Circular Queue | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Task Scheduler | Medium |
| Design Memory Allocator | Medium |
| Random Pick with Weight | Medium |
| 4Sum | Medium |
| Web Crawler Multithreaded | Medium |
Unique to Apple (291)
Problems in Apple's list that do not appear at Rubrik.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Design Hit Counter | Medium |
| 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 |
Unique to Rubrik (26)
Problems in Rubrik's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and Rubrik share?
Apple and Rubrik share 9 LeetCode interview questions. 291 problems appear only in Apple's list and 26 appear only in Rubrik's list.
What topics overlap most between Apple and Rubrik?
The most common shared topics between Apple and Rubrik are Array (7 shared questions), Hash Table (5 shared questions), Design (5 shared questions), Linked List (2 shared questions), Binary Search (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Rubrik?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Rubrik has 2 Easy, 22 Medium, and 11 Hard questions. Rubrik has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Rubrik?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 20 Rubrik-specific questions to round out your prep.