DE Shaw vs Morgan Stanley Interview Questions
DE Shaw lists 105 LeetCode interview questions while Morgan Stanley lists 60. They share 10 problems — 10% of DE Shaw's bank and 17% of Morgan Stanley's. Focus on the overlap first, then drill into 95 DE Shaw-only and 50 Morgan Stanley-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 DE Shaw and Morgan Stanley.
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 Morgan Stanley-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 DE Shaw and Morgan Stanley.
| Problem | Difficulty |
|---|---|
| Minimum Number of Taps to Open to Water a Garden | Hard |
| Majority Element | Easy |
| Maximum Product Subarray | Medium |
| Longest Consecutive Sequence | Medium |
| Coin Change II | Medium |
| LRU Cache | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Container With Most Water | Medium |
| Two Sum | Easy |
Unique to DE Shaw (95)
Problems in DE Shaw's list that do not appear at Morgan Stanley.
Unique to Morgan Stanley (50)
Problems in Morgan Stanley's list that do not appear at DE Shaw.
Frequently Asked Questions
How many LeetCode questions do DE Shaw and Morgan Stanley share?
DE Shaw and Morgan Stanley share 10 LeetCode interview questions. 95 problems appear only in DE Shaw's list and 50 appear only in Morgan Stanley's list.
What topics overlap most between DE Shaw and Morgan Stanley?
The most common shared topics between DE Shaw and Morgan Stanley are Array (8 shared questions), Hash Table (5 shared questions), Dynamic Programming (4 shared questions), Greedy (2 shared questions), Divide and Conquer (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DE Shaw or Morgan Stanley?
DE Shaw has 11 Easy, 64 Medium, and 30 Hard questions. Morgan Stanley has 13 Easy, 40 Medium, and 7 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 Morgan Stanley?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 DE Shaw-specific and 20 Morgan Stanley-specific questions to round out your prep.