ByteDance vs Samsung Interview Questions
ByteDance lists 64 LeetCode interview questions while Samsung lists 65. They share 17 problems — 27% of ByteDance's bank and 26% of Samsung's. Focus on the overlap first, then drill into 47 ByteDance-only and 48 Samsung-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 17 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and Samsung.
Step 2 — Company-specific depth: Add ByteDance-specific problems like Remove Duplicate Letters, Smallest Subsequence of Distinct Characters, First Day Where You Have Been in All the Rooms and Samsung-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Samsung skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
17 Shared Questions
High-priority problems to practice for both ByteDance and Samsung.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Two Sum | Easy |
| Word Ladder | Hard |
| Longest Increasing Subsequence | Medium |
| Trapping Rain Water | Hard |
| Search in Rotated Sorted Array | Medium |
| Rotting Oranges | Medium |
| Maximum Subarray | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Trapping Rain Water II | Hard |
| Remove K Digits | Medium |
| Longest Palindromic Substring | Medium |
| Merge k Sorted Lists | Hard |
| Find Peak Element | Medium |
| Valid Parentheses | Easy |
Unique to ByteDance (47)
Problems in ByteDance's list that do not appear at Samsung.
| Problem | Difficulty |
|---|---|
| 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 |
| Design Memory Allocator | Medium |
Unique to Samsung (48)
Problems in Samsung's list that do not appear at ByteDance.
Frequently Asked Questions
How many LeetCode questions do ByteDance and Samsung share?
ByteDance and Samsung share 17 LeetCode interview questions. 47 problems appear only in ByteDance's list and 48 appear only in Samsung's list.
What topics overlap most between ByteDance and Samsung?
The most common shared topics between ByteDance and Samsung are Array (11 shared questions), Dynamic Programming (5 shared questions), Breadth-First Search (4 shared questions), String (4 shared questions), Hash Table (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Samsung?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. Samsung has 12 Easy, 36 Medium, and 17 Hard questions. Samsung has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and Samsung?
Start with the 17 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 Samsung-specific questions to round out your prep.