DE Shaw vs Grammarly Interview Questions
DE Shaw lists 105 LeetCode interview questions while Grammarly lists 30. They share 4 problems — 4% of DE Shaw's bank and 13% of Grammarly's. Focus on the overlap first, then drill into 101 DE Shaw-only and 26 Grammarly-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both DE Shaw and Grammarly.
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 Grammarly-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
4 Shared Questions
High-priority problems to practice for both DE Shaw and Grammarly.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Number of Islands | Medium |
| Unique Paths | Medium |
Unique to DE Shaw (101)
Problems in DE Shaw's list that do not appear at Grammarly.
Unique to Grammarly (26)
Problems in Grammarly's list that do not appear at DE Shaw.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Remove All Adjacent Duplicates In String | Easy |
| Search in Rotated Sorted Array | Medium |
| Vowel Spellchecker | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Climbing Stairs | Easy |
| Repeated DNA Sequences | Medium |
| Sqrt(x) | Easy |
| Generate Parentheses | Medium |
| Perfect Number | Easy |
| Logger Rate Limiter | Easy |
| Sum of Left Leaves | Easy |
Frequently Asked Questions
How many LeetCode questions do DE Shaw and Grammarly share?
DE Shaw and Grammarly share 4 LeetCode interview questions. 101 problems appear only in DE Shaw's list and 26 appear only in Grammarly's list.
What topics overlap most between DE Shaw and Grammarly?
The most common shared topics between DE Shaw and Grammarly are Array (3 shared questions), Dynamic Programming (2 shared questions), Math (2 shared questions), Two Pointers (1 shared questions), Stack (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: DE Shaw or Grammarly?
DE Shaw has 11 Easy, 64 Medium, and 30 Hard questions. Grammarly has 7 Easy, 19 Medium, and 4 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 Grammarly?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 DE Shaw-specific and 20 Grammarly-specific questions to round out your prep.