Coupang vs eBay Interview Questions
Coupang lists 49 LeetCode interview questions while eBay lists 62. They share 10 problems — 20% of Coupang's bank and 16% of eBay's. Focus on the overlap first, then drill into 39 Coupang-only and 52 eBay-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Coupang and eBay.
Step 2 — Company-specific depth: Add Coupang-specific problems like Word Break, Subsets, LFU Cache and eBay-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
10 Shared Questions
High-priority problems to practice for both Coupang and eBay.
| Problem | Difficulty |
|---|---|
| Decode String | Medium |
| LRU Cache | Medium |
| Course Schedule | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Group Anagrams | Medium |
| Find Median from Data Stream | Hard |
| Open the Lock | Medium |
| Reorganize String | Medium |
| Kth Largest Element in an Array | Medium |
Unique to Coupang (39)
Problems in Coupang's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Subsets | Medium |
| LFU Cache | Hard |
| Longest Substring with At Most K Distinct Characters | Medium |
| Split BST | Medium |
| Range Module | Hard |
| Find Pivot Index | Easy |
| Design In-Memory File System | Hard |
| Unique Paths II | Medium |
| Design Twitter | Medium |
| Shopping Offers | Medium |
| Longest Repeating Substring | Medium |
Unique to eBay (52)
Problems in eBay's list that do not appear at Coupang.
| Problem | Difficulty |
|---|---|
| Remove One Element to Make the Array Strictly Increasing | Easy |
| Alternating Digit Sum | Easy |
| Partition Equal Subset Sum | Medium |
| Binary Gap | Easy |
| Minimize Maximum Pair Sum in Array | Medium |
| Minimum Window Subsequence | Hard |
| Design Skiplist | Hard |
| Subtree of Another Tree | Easy |
| Two Sum | Easy |
| Spiral Matrix | Medium |
| Top K Frequent Elements | Medium |
| Binary Tree Cameras | Hard |
Frequently Asked Questions
How many LeetCode questions do Coupang and eBay share?
Coupang and eBay share 10 LeetCode interview questions. 39 problems appear only in Coupang's list and 52 appear only in eBay's list.
What topics overlap most between Coupang and eBay?
The most common shared topics between Coupang and eBay are String (5 shared questions), Hash Table (5 shared questions), Array (4 shared questions), Sorting (4 shared questions), Breadth-First Search (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Coupang or eBay?
Coupang has 2 Easy, 33 Medium, and 14 Hard questions. eBay has 10 Easy, 39 Medium, and 13 Hard questions. Coupang has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Coupang and eBay?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 Coupang-specific and 20 eBay-specific questions to round out your prep.