Samsung vs TikTok Interview Questions
Samsung lists 65 LeetCode interview questions while TikTok lists 351. They share 33 problems — 51% of Samsung's bank and 9% of TikTok's. Focus on the overlap first, then drill into 32 Samsung-only and 318 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 33 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Samsung and TikTok.
Step 2 — Company-specific depth: Add Samsung-specific problems like Burst Balloons, Vertical Order Traversal of a Binary Tree, Partition Array Into Two Arrays to Minimize Sum Difference and TikTok-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
33 Shared Questions
High-priority problems to practice for both Samsung and TikTok.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Longest Increasing Subsequence | Medium |
| Trapping Rain Water | Hard |
| Two Sum | Easy |
| Is Graph Bipartite? | Medium |
| Rotting Oranges | Medium |
| Possible Bipartition | Medium |
| Find Peak Element | Medium |
| Best Time to Buy and Sell Stock | Easy |
| 3Sum | Medium |
| Rotate Array | Medium |
| Merge k Sorted Lists | Hard |
| Sort Colors | Medium |
| Generate Parentheses | Medium |
| Valid Parentheses | Easy |
| Maximum Subarray | Medium |
| Longest Common Prefix | Easy |
| Remove K Digits | Medium |
| Word Search | Medium |
| Word Ladder | Hard |
| Permutations | Medium |
| Search in Rotated Sorted Array | Medium |
| Coin Change | Medium |
| Next Permutation | Medium |
| Merge Intervals | Medium |
| Intersection of Two Linked Lists | Easy |
| Move Zeroes | Easy |
| Jump Game II | Medium |
| Median of Two Sorted Arrays | Hard |
Showing top 30 of 33 shared problems.
Unique to Samsung (32)
Problems in Samsung's list that do not appear at TikTok.
Unique to TikTok (318)
Problems in TikTok's list that do not appear at Samsung.
| Problem | Difficulty |
|---|---|
| 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 |
| N-Queens | Hard |
| Minimum Window Substring | Hard |
| Subarray Sum Equals K | Medium |
| Top K Frequent Elements | Medium |
Frequently Asked Questions
How many LeetCode questions do Samsung and TikTok share?
Samsung and TikTok share 33 LeetCode interview questions. 32 problems appear only in Samsung's list and 318 appear only in TikTok's list.
What topics overlap most between Samsung and TikTok?
The most common shared topics between Samsung and TikTok are Array (21 shared questions), Dynamic Programming (7 shared questions), Two Pointers (7 shared questions), Breadth-First Search (6 shared questions), String (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Samsung or TikTok?
Samsung has 12 Easy, 36 Medium, and 17 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. Samsung has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Samsung and TikTok?
Start with the 33 shared problems since they cover what both companies ask most often. Then add 20 Samsung-specific and 20 TikTok-specific questions to round out your prep.