DE Shaw vs Dropbox Interview Questions
DE Shaw lists 105 LeetCode interview questions while Dropbox lists 22. They share 3 problems — 3% of DE Shaw's bank and 14% of Dropbox's. Focus on the overlap first, then drill into 102 DE Shaw-only and 19 Dropbox-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DE Shaw and Dropbox.
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 Dropbox-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Dropbox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
3 Shared Questions
High-priority problems to practice for both DE Shaw and Dropbox.
| Problem | Difficulty |
|---|---|
| Letter Combinations of a Phone Number | Medium |
| Median of Two Sorted Arrays | Hard |
| Two Sum | Easy |
Unique to DE Shaw (102)
Problems in DE Shaw's list that do not appear at Dropbox.
Unique to Dropbox (19)
Problems in Dropbox's list that do not appear at DE Shaw.
| Problem | Difficulty |
|---|---|
| Simple Bank System | Medium |
| Minimize Malware Spread | Hard |
| Web Crawler | Medium |
| Web Crawler Multithreaded | Medium |
| Find Duplicate File in System | Medium |
| Number of Valid Words for Each Puzzle | Hard |
| Game of Life | Medium |
| Word Pattern | Easy |
| Word Pattern II | Medium |
| Seat Reservation Manager | Medium |
| Minimize Malware Spread II | Hard |
| Design Hit Counter | Medium |
Frequently Asked Questions
How many LeetCode questions do DE Shaw and Dropbox share?
DE Shaw and Dropbox share 3 LeetCode interview questions. 102 problems appear only in DE Shaw's list and 19 appear only in Dropbox's list.
What topics overlap most between DE Shaw and Dropbox?
The most common shared topics between DE Shaw and Dropbox are Hash Table (2 shared questions), Array (2 shared questions), String (1 shared questions), Backtracking (1 shared questions), Binary Search (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DE Shaw or Dropbox?
DE Shaw has 11 Easy, 64 Medium, and 30 Hard questions. Dropbox has 2 Easy, 10 Medium, and 10 Hard questions. Dropbox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both DE Shaw and Dropbox?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 20 DE Shaw-specific and 19 Dropbox-specific questions to round out your prep.