DE Shaw vs Yahoo Interview Questions
DE Shaw lists 105 LeetCode interview questions while Yahoo lists 34. They share 5 problems — 5% of DE Shaw's bank and 15% of Yahoo's. Focus on the overlap first, then drill into 100 DE Shaw-only and 29 Yahoo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DE Shaw and Yahoo.
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 Yahoo-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
5 Shared Questions
High-priority problems to practice for both DE Shaw and Yahoo.
| Problem | Difficulty |
|---|---|
| Valid Parentheses | Easy |
| LRU Cache | Medium |
| Median of Two Sorted Arrays | Hard |
| Flatten Nested List Iterator | Medium |
| Two Sum | Easy |
Unique to DE Shaw (100)
Problems in DE Shaw's list that do not appear at Yahoo.
Unique to Yahoo (29)
Problems in Yahoo's list that do not appear at DE Shaw.
Frequently Asked Questions
How many LeetCode questions do DE Shaw and Yahoo share?
DE Shaw and Yahoo share 5 LeetCode interview questions. 100 problems appear only in DE Shaw's list and 29 appear only in Yahoo's list.
What topics overlap most between DE Shaw and Yahoo?
The most common shared topics between DE Shaw and Yahoo are Stack (2 shared questions), Hash Table (2 shared questions), Design (2 shared questions), Array (2 shared questions), String (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DE Shaw or Yahoo?
DE Shaw has 11 Easy, 64 Medium, and 30 Hard questions. Yahoo has 11 Easy, 20 Medium, and 3 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 Yahoo?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 DE Shaw-specific and 20 Yahoo-specific questions to round out your prep.