Coupang vs DE Shaw Interview Questions
Coupang lists 49 LeetCode interview questions while DE Shaw lists 105. They share 10 problems — 20% of Coupang's bank and 10% of DE Shaw's. Focus on the overlap first, then drill into 39 Coupang-only and 95 DE Shaw-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 DE Shaw.
Step 2 — Company-specific depth: Add Coupang-specific problems like Word Break, Subsets, Decode String and DE Shaw-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: DE Shaw 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 DE Shaw.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Unique Paths | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Wildcard Matching | Hard |
| Basic Calculator II | Medium |
| Number of Islands | Medium |
| Search a 2D Matrix | Medium |
| Sliding Window Maximum | Hard |
| Open the Lock | Medium |
| Reorganize String | Medium |
Unique to Coupang (39)
Problems in Coupang's list that do not appear at DE Shaw.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Subsets | Medium |
| Decode String | Medium |
| LFU Cache | Hard |
| Longest Substring with At Most K Distinct Characters | Medium |
| Split BST | Medium |
| Range Module | Hard |
| Find Pivot Index | Easy |
| Course Schedule | Medium |
| Design In-Memory File System | Hard |
| Unique Paths II | Medium |
| Design Twitter | Medium |
Unique to DE Shaw (95)
Problems in DE Shaw's list that do not appear at Coupang.
Frequently Asked Questions
How many LeetCode questions do Coupang and DE Shaw share?
Coupang and DE Shaw share 10 LeetCode interview questions. 39 problems appear only in Coupang's list and 95 appear only in DE Shaw's list.
What topics overlap most between Coupang and DE Shaw?
The most common shared topics between Coupang and DE Shaw are String (5 shared questions), Hash Table (4 shared questions), Array (4 shared questions), Math (2 shared questions), Dynamic Programming (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Coupang or DE Shaw?
Coupang has 2 Easy, 33 Medium, and 14 Hard questions. DE Shaw has 11 Easy, 64 Medium, and 30 Hard questions. DE Shaw has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Coupang and DE Shaw?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 Coupang-specific and 20 DE Shaw-specific questions to round out your prep.