DE Shaw vs Walmart Labs Interview Questions
DE Shaw lists 105 LeetCode interview questions while Walmart Labs lists 144. They share 24 problems — 23% of DE Shaw's bank and 17% of Walmart Labs's. Focus on the overlap first, then drill into 81 DE Shaw-only and 120 Walmart Labs-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 DE Shaw and Walmart Labs.
Step 2 — Company-specific depth: Add DE Shaw-specific problems like Binary Tree Cameras, Find Minimum Cost to Remove Array Elements, Maximum Number of Subsequences After One Inserting and Walmart Labs-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
24 Shared Questions
High-priority problems to practice for both DE Shaw and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Relative Sort Array | Easy |
| Trapping Rain Water | Hard |
| House Robber | Medium |
| Valid Parentheses | Easy |
| Sliding Window Maximum | Hard |
| Rotting Oranges | Medium |
| Maximum Product Subarray | Medium |
| Furthest Building You Can Reach | Medium |
| Longest Consecutive Sequence | Medium |
| LRU Cache | Medium |
| Asteroid Collision | Medium |
| Median of Two Sorted Arrays | Hard |
| Number of Islands | Medium |
| Search a 2D Matrix | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Best Time to Buy and Sell Stock II | Medium |
| Basic Calculator II | Medium |
| Decode Ways | Medium |
| Flatten Nested List Iterator | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Wildcard Matching | Hard |
| Container With Most Water | Medium |
| Two Sum | Easy |
| Next Permutation | Medium |
Unique to DE Shaw (81)
Problems in DE Shaw's list that do not appear at Walmart Labs.
Unique to Walmart Labs (120)
Problems in Walmart Labs's list that do not appear at DE Shaw.
Frequently Asked Questions
How many LeetCode questions do DE Shaw and Walmart Labs share?
DE Shaw and Walmart Labs share 24 LeetCode interview questions. 81 problems appear only in DE Shaw's list and 120 appear only in Walmart Labs's list.
What topics overlap most between DE Shaw and Walmart Labs?
The most common shared topics between DE Shaw and Walmart Labs are Array (17 shared questions), Dynamic Programming (7 shared questions), Hash Table (5 shared questions), Stack (5 shared questions), String (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DE Shaw or Walmart Labs?
DE Shaw has 11 Easy, 64 Medium, and 30 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. DE Shaw has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DE Shaw and Walmart Labs?
Start with the 24 shared problems since they cover what both companies ask most often. Then add 20 DE Shaw-specific and 20 Walmart Labs-specific questions to round out your prep.