Coupang vs PayPal Interview Questions
Coupang lists 49 LeetCode interview questions while PayPal lists 105. They share 11 problems — 22% of Coupang's bank and 10% of PayPal's. Focus on the overlap first, then drill into 38 Coupang-only and 94 PayPal-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 11 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Coupang and PayPal.
Step 2 — Company-specific depth: Add Coupang-specific problems like Word Break, Decode String, Longest Substring with At Most K Distinct Characters and PayPal-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
11 Shared Questions
High-priority problems to practice for both Coupang and PayPal.
| Problem | Difficulty |
|---|---|
| Subsets | Medium |
| LFU Cache | Hard |
| LRU Cache | Medium |
| Course Schedule | Medium |
| Design Twitter | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Islands | Medium |
| Group Anagrams | Medium |
| Find Median from Data Stream | Hard |
| Search a 2D Matrix II | Medium |
| Kth Largest Element in an Array | Medium |
Unique to Coupang (38)
Problems in Coupang's list that do not appear at PayPal.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Decode String | Medium |
| 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 |
| Shopping Offers | Medium |
| Longest Repeating Substring | Medium |
| Unique Paths | Medium |
| Possible Bipartition | Medium |
Unique to PayPal (94)
Problems in PayPal's list that do not appear at Coupang.
Frequently Asked Questions
How many LeetCode questions do Coupang and PayPal share?
Coupang and PayPal share 11 LeetCode interview questions. 38 problems appear only in Coupang's list and 94 appear only in PayPal's list.
What topics overlap most between Coupang and PayPal?
The most common shared topics between Coupang and PayPal are Array (5 shared questions), Hash Table (5 shared questions), Design (4 shared questions), Linked List (3 shared questions), Heap (Priority Queue) (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Coupang or PayPal?
Coupang has 2 Easy, 33 Medium, and 14 Hard questions. PayPal has 19 Easy, 69 Medium, and 17 Hard questions. Coupang has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Coupang and PayPal?
Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 Coupang-specific and 20 PayPal-specific questions to round out your prep.