ByteDance vs Grammarly Interview Questions
ByteDance lists 64 LeetCode interview questions while Grammarly lists 30. They share 7 problems — 11% of ByteDance's bank and 23% of Grammarly's. Focus on the overlap first, then drill into 57 ByteDance-only and 23 Grammarly-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 7 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and Grammarly.
Step 2 — Company-specific depth: Add ByteDance-specific problems like LRU Cache, Remove Duplicate Letters, Smallest Subsequence of Distinct Characters and Grammarly-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: ByteDance skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
7 Shared Questions
High-priority problems to practice for both ByteDance and Grammarly.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Trapping Rain Water | Hard |
| Search in Rotated Sorted Array | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Climbing Stairs | Easy |
| Unique Paths | Medium |
Unique to ByteDance (57)
Problems in ByteDance's list that do not appear at Grammarly.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Remove Duplicate Letters | Medium |
| Smallest Subsequence of Distinct Characters | Medium |
| First Day Where You Have Been in All the Rooms | Medium |
| Course Schedule | Medium |
| Combination Sum | Medium |
| Basic Calculator II | Medium |
| Shortest Bridge | Medium |
| House Robber | Medium |
| Maximal Square | Medium |
| Regular Expression Matching | Hard |
| Top K Frequent Elements | Medium |
Unique to Grammarly (23)
Problems in Grammarly's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Remove All Adjacent Duplicates In String | Easy |
| Vowel Spellchecker | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Repeated DNA Sequences | Medium |
| Sqrt(x) | Easy |
| Generate Parentheses | Medium |
| Perfect Number | Easy |
| Logger Rate Limiter | Easy |
| Sum of Left Leaves | Easy |
| Non-overlapping Intervals | Medium |
| Search Insert Position | Easy |
| Two Best Non-Overlapping Events | Medium |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Grammarly share?
ByteDance and Grammarly share 7 LeetCode interview questions. 57 problems appear only in ByteDance's list and 23 appear only in Grammarly's list.
What topics overlap most between ByteDance and Grammarly?
The most common shared topics between ByteDance and Grammarly are Array (5 shared questions), Dynamic Programming (3 shared questions), Math (3 shared questions), Depth-First Search (1 shared questions), Breadth-First Search (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Grammarly?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. Grammarly has 7 Easy, 19 Medium, and 4 Hard questions. ByteDance has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and Grammarly?
Start with the 7 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 Grammarly-specific questions to round out your prep.