Hashedin vs TikTok Interview Questions
Hashedin lists 23 LeetCode interview questions while TikTok lists 351. They share 13 problems — 57% of Hashedin's bank and 4% of TikTok's. Focus on the overlap first, then drill into 10 Hashedin-only and 338 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Hashedin and TikTok.
Step 2 — Company-specific depth: Add Hashedin-specific problems like Find Candidates for Data Scientist Position, Maximize Items, Maximum Points Inside the Square and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Hashedin skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
13 Shared Questions
High-priority problems to practice for both Hashedin and TikTok.
| Problem | Difficulty |
|---|---|
| Maximum Subarray | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Trapping Rain Water | Hard |
| Container With Most Water | Medium |
| Next Permutation | Medium |
| Jump Game II | Medium |
| Edit Distance | Medium |
| 3Sum | Medium |
| Maximum Product Subarray | Medium |
| Group Anagrams | Medium |
| Number of Islands | Medium |
| Jump Game | Medium |
| Koko Eating Bananas | Medium |
Unique to Hashedin (10)
Problems in Hashedin's list that do not appear at TikTok.
Unique to TikTok (338)
Problems in TikTok's list that do not appear at Hashedin.
| 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 |
| Merge Intervals | Medium |
| Course Schedule | Medium |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| Decode String | Medium |
| Word Search | Medium |
Frequently Asked Questions
How many LeetCode questions do Hashedin and TikTok share?
Hashedin and TikTok share 13 LeetCode interview questions. 10 problems appear only in Hashedin's list and 338 appear only in TikTok's list.
What topics overlap most between Hashedin and TikTok?
The most common shared topics between Hashedin and TikTok are Array (12 shared questions), Dynamic Programming (7 shared questions), Two Pointers (4 shared questions), Greedy (3 shared questions), String (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Hashedin or TikTok?
Hashedin has 3 Easy, 15 Medium, and 5 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. Hashedin has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Hashedin and TikTok?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 10 Hashedin-specific and 20 TikTok-specific questions to round out your prep.