Apple vs Coupang Interview Questions
Apple lists 300 LeetCode interview questions while Coupang lists 49. They share 24 problems — 8% of Apple's bank and 49% of Coupang's. Focus on the overlap first, then drill into 276 Apple-only and 25 Coupang-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 24 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Coupang.
Step 2 — Company-specific depth: Add Apple-specific problems like Two Sum, Merge Intervals, Best Time to Buy and Sell Stock and Coupang-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Coupang skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
24 Shared Questions
High-priority problems to practice for both Apple and Coupang.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Design Hit Counter | Medium |
| Group Anagrams | Medium |
| Course Schedule | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Kth Largest Element in an Array | Medium |
| Snapshot Array | Medium |
| Find Median from Data Stream | Hard |
| Basic Calculator II | Medium |
| Search a 2D Matrix II | Medium |
| Word Break | Medium |
| Regular Expression Matching | Hard |
| Decode String | Medium |
| Find K Closest Elements | Medium |
| Sliding Window Maximum | Hard |
| Cheapest Flights Within K Stops | Medium |
| LFU Cache | Hard |
| Search a 2D Matrix | Medium |
| Longest Substring with At Most K Distinct Characters | Medium |
| Basic Calculator | Hard |
| Find Pivot Index | Easy |
| Split Strings by Separator | Easy |
| Design Twitter | Medium |
Unique to Apple (276)
Problems in Apple's list that do not appear at Coupang.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Reverse Linked List | Easy |
| Valid Sudoku | Medium |
| Top K Frequent Elements | Medium |
| Course Schedule II | Medium |
| Valid Parentheses | Easy |
| Product of Array Except Self | Medium |
| Valid Palindrome | Easy |
Unique to Coupang (25)
Problems in Coupang's list that do not appear at Apple.
| Problem | Difficulty |
|---|---|
| Subsets | Medium |
| Split BST | Medium |
| Range Module | Hard |
| Design In-Memory File System | Hard |
| Unique Paths II | Medium |
| Shopping Offers | Medium |
| Longest Repeating Substring | Medium |
| Unique Paths | Medium |
| Possible Bipartition | Medium |
| Shortest Bridge | Medium |
| Remove K Digits | Medium |
| Longest Duplicate Substring | Hard |
Frequently Asked Questions
How many LeetCode questions do Apple and Coupang share?
Apple and Coupang share 24 LeetCode interview questions. 276 problems appear only in Apple's list and 25 appear only in Coupang's list.
What topics overlap most between Apple and Coupang?
The most common shared topics between Apple and Coupang are Array (12 shared questions), String (9 shared questions), Hash Table (8 shared questions), Design (6 shared questions), Heap (Priority Queue) (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Coupang?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Coupang has 2 Easy, 33 Medium, and 14 Hard questions. Coupang has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Coupang?
Start with the 24 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 20 Coupang-specific questions to round out your prep.