DE Shaw vs Expedia Interview Questions
DE Shaw lists 105 LeetCode interview questions while Expedia lists 64. They share 18 problems — 17% of DE Shaw's bank and 28% of Expedia's. Focus on the overlap first, then drill into 87 DE Shaw-only and 46 Expedia-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 18 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DE Shaw and Expedia.
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 Expedia-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
18 Shared Questions
High-priority problems to practice for both DE Shaw and Expedia.
| Problem | Difficulty |
|---|---|
| Letter Combinations of a Phone Number | Medium |
| Trapping Rain Water | Hard |
| House Robber | Medium |
| Valid Parentheses | Easy |
| Reorganize String | Medium |
| Sliding Window Maximum | Hard |
| Koko Eating Bananas | Medium |
| Rotting Oranges | Medium |
| Find the Smallest Divisor Given a Threshold | Medium |
| LRU Cache | Medium |
| Number of Islands | Medium |
| Remove Duplicate Letters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Basic Calculator II | Medium |
| Maximum Points You Can Obtain from Cards | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Container With Most Water | Medium |
| Two Sum | Easy |
Unique to DE Shaw (87)
Problems in DE Shaw's list that do not appear at Expedia.
Unique to Expedia (46)
Problems in Expedia's list that do not appear at DE Shaw.
Frequently Asked Questions
How many LeetCode questions do DE Shaw and Expedia share?
DE Shaw and Expedia share 18 LeetCode interview questions. 87 problems appear only in DE Shaw's list and 46 appear only in Expedia's list.
What topics overlap most between DE Shaw and Expedia?
The most common shared topics between DE Shaw and Expedia are Array (11 shared questions), String (6 shared questions), Hash Table (5 shared questions), Stack (4 shared questions), Dynamic Programming (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DE Shaw or Expedia?
DE Shaw has 11 Easy, 64 Medium, and 30 Hard questions. Expedia has 13 Easy, 42 Medium, and 9 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 Expedia?
Start with the 18 shared problems since they cover what both companies ask most often. Then add 20 DE Shaw-specific and 20 Expedia-specific questions to round out your prep.