ByteDance vs Hashedin Interview Questions
ByteDance lists 64 LeetCode interview questions while Hashedin lists 23. They share 5 problems — 8% of ByteDance's bank and 22% of Hashedin's. Focus on the overlap first, then drill into 59 ByteDance-only and 18 Hashedin-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 ByteDance and Hashedin.
Step 2 — Company-specific depth: Add ByteDance-specific problems like LRU Cache, Remove Duplicate Letters, Smallest Subsequence of Distinct Characters and Hashedin-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
5 Shared Questions
High-priority problems to practice for both ByteDance and Hashedin.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Trapping Rain Water | Hard |
| Maximum Subarray | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Jump Game | Medium |
Unique to ByteDance (59)
Problems in ByteDance's list that do not appear at Hashedin.
| 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 |
| Merge Intervals | Medium |
| Shortest Bridge | Medium |
| House Robber | Medium |
| Maximal Square | Medium |
| Regular Expression Matching | Hard |
Unique to Hashedin (18)
Problems in Hashedin's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Find Candidates for Data Scientist Position | Easy |
| Maximize Items | Hard |
| Maximum Points Inside the Square | Medium |
| Count the Number of Powerful Integers | Hard |
| Minimize Length of Array Using Operations | Medium |
| Container With Most Water | Medium |
| Minimum Cost to Make Array Equal | Hard |
| Next Permutation | Medium |
| Chalkboard XOR Game | Hard |
| Jump Game II | Medium |
| Edit Distance | Medium |
| 3Sum | Medium |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Hashedin share?
ByteDance and Hashedin share 5 LeetCode interview questions. 59 problems appear only in ByteDance's list and 18 appear only in Hashedin's list.
What topics overlap most between ByteDance and Hashedin?
The most common shared topics between ByteDance and Hashedin are Array (5 shared questions), Dynamic Programming (4 shared questions), Depth-First Search (1 shared questions), Breadth-First Search (1 shared questions), Union-Find (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Hashedin?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. Hashedin has 3 Easy, 15 Medium, and 5 Hard questions. Hashedin has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and Hashedin?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 18 Hashedin-specific questions to round out your prep.