Apple vs Zeta Interview Questions
Apple lists 300 LeetCode interview questions while Zeta lists 30. They share 14 problems — 5% of Apple's bank and 47% of Zeta's. Focus on the overlap first, then drill into 286 Apple-only and 16 Zeta-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 14 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Zeta.
Step 2 — Company-specific depth: Add Apple-specific problems like LRU Cache, Two Sum, Number of Islands and Zeta-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zeta skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
14 Shared Questions
High-priority problems to practice for both Apple and Zeta.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Trapping Rain Water | Hard |
| Median of Two Sorted Arrays | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Word Break | Medium |
| Task Scheduler | Medium |
| Sliding Window Maximum | Hard |
| House Robber | Medium |
| Capacity To Ship Packages Within D Days | Medium |
| Next Greater Element II | Medium |
| Minimum Window Substring | Hard |
| Reverse Nodes in k-Group | Hard |
Unique to Apple (286)
Problems in Apple's list that do not appear at Zeta.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Number of Islands | 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 Zeta (16)
Problems in Zeta's list that do not appear at Apple.
| Problem | Difficulty |
|---|---|
| Apply Operations to Make Two Strings Equal | Medium |
| Split Array Largest Sum | Hard |
| Palindrome Partitioning II | Hard |
| Remove Boxes | Hard |
| Maximal Rectangle | Hard |
| Count Univalue Subtrees | Medium |
| Remove K Digits | Medium |
| Heaters | Medium |
| Find All Possible Recipes from Given Supplies | Medium |
| Minimize the Maximum Difference of Pairs | Medium |
| Binary Tree Cameras | Hard |
| Shifting Letters II | Medium |
Frequently Asked Questions
How many LeetCode questions do Apple and Zeta share?
Apple and Zeta share 14 LeetCode interview questions. 286 problems appear only in Apple's list and 16 appear only in Zeta's list.
What topics overlap most between Apple and Zeta?
The most common shared topics between Apple and Zeta are Array (11 shared questions), Hash Table (5 shared questions), Dynamic Programming (4 shared questions), String (3 shared questions), Sliding Window (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Zeta?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Zeta has 0 Easy, 20 Medium, and 10 Hard questions. Zeta has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Zeta?
Start with the 14 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 16 Zeta-specific questions to round out your prep.