Grammarly vs TikTok Interview Questions
Grammarly lists 30 LeetCode interview questions while TikTok lists 351. They share 15 problems — 50% of Grammarly's bank and 4% of TikTok's. Focus on the overlap first, then drill into 15 Grammarly-only and 336 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 15 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Grammarly and TikTok.
Step 2 — Company-specific depth: Add Grammarly-specific problems like Remove All Adjacent Duplicates In String, Vowel Spellchecker, Repeated DNA Sequences and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: TikTok skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
15 Shared Questions
High-priority problems to practice for both Grammarly and TikTok.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Search in Rotated Sorted Array | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Climbing Stairs | Easy |
| Sqrt(x) | Easy |
| Generate Parentheses | Medium |
| Non-overlapping Intervals | Medium |
| Word Search | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Word Break II | Hard |
| Number of Islands | Medium |
| Trapping Rain Water | Hard |
| Unique Paths | Medium |
| Word Break | Medium |
Unique to Grammarly (15)
Problems in Grammarly's list that do not appear at TikTok.
Unique to TikTok (336)
Problems in TikTok's list that do not appear at Grammarly.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Increasing Subsequence | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Number of Distinct Islands | Medium |
| Meeting Rooms II | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| Decode String | Medium |
| Longest Palindromic Substring | Medium |
| N-Queens | Hard |
Frequently Asked Questions
How many LeetCode questions do Grammarly and TikTok share?
Grammarly and TikTok share 15 LeetCode interview questions. 15 problems appear only in Grammarly's list and 336 appear only in TikTok's list.
What topics overlap most between Grammarly and TikTok?
The most common shared topics between Grammarly and TikTok are Array (9 shared questions), Dynamic Programming (7 shared questions), String (6 shared questions), Hash Table (4 shared questions), Math (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Grammarly or TikTok?
Grammarly has 7 Easy, 19 Medium, and 4 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. TikTok has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Grammarly and TikTok?
Start with the 15 shared problems since they cover what both companies ask most often. Then add 15 Grammarly-specific and 20 TikTok-specific questions to round out your prep.