Coupang vs TikTok Interview Questions
Coupang lists 49 LeetCode interview questions while TikTok lists 351. They share 35 problems — 71% of Coupang's bank and 10% of TikTok's. Focus on the overlap first, then drill into 14 Coupang-only and 316 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 35 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Coupang and TikTok.
Step 2 — Company-specific depth: Add Coupang-specific problems like Split BST, Range Module, Find Pivot Index and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Coupang skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
35 Shared Questions
High-priority problems to practice for both Coupang and TikTok.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Subsets | Medium |
| Decode String | Medium |
| LFU Cache | Hard |
| Longest Substring with At Most K Distinct Characters | Medium |
| LRU Cache | Medium |
| Course Schedule | Medium |
| Design In-Memory File System | Hard |
| Unique Paths II | Medium |
| Unique Paths | Medium |
| Possible Bipartition | Medium |
| Regular Expression Matching | Hard |
| Shortest Bridge | Medium |
| Remove K Digits | Medium |
| Find K Closest Elements | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Longest Duplicate Substring | Hard |
| Snapshot Array | Medium |
| Number of Distinct Islands | Medium |
| Basic Calculator II | Medium |
| Number of Islands | Medium |
| Search a 2D Matrix | Medium |
| Sliding Window Maximum | Hard |
| Group Anagrams | Medium |
| Cheapest Flights Within K Stops | Medium |
| Find Median from Data Stream | Hard |
| Number of Atoms | Hard |
| Open the Lock | Medium |
| Pacific Atlantic Water Flow | Medium |
| Basic Calculator III | Hard |
Showing top 30 of 35 shared problems.
Unique to Coupang (14)
Problems in Coupang's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Split BST | Medium |
| Range Module | Hard |
| Find Pivot Index | Easy |
| Design Twitter | Medium |
| Shopping Offers | Medium |
| Longest Repeating Substring | Medium |
| Design Hit Counter | Medium |
| Wildcard Matching | Hard |
| Single Element in a Sorted Array | Medium |
| Increasing Triplet Subsequence | Medium |
| Maximum Number of Tasks You Can Assign | Hard |
| Distinct Subsequences | Hard |
Unique to TikTok (316)
Problems in TikTok's list that do not appear at Coupang.
| Problem | Difficulty |
|---|---|
| Longest Increasing Subsequence | Medium |
| Meeting Rooms II | Medium |
| Course Schedule II | Medium |
| Merge Intervals | Medium |
| Trapping Rain Water | Hard |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| Word Search | Medium |
| Longest Palindromic Substring | Medium |
| N-Queens | Hard |
| Minimum Window Substring | Hard |
| Search in Rotated Sorted Array | Medium |
Frequently Asked Questions
How many LeetCode questions do Coupang and TikTok share?
Coupang and TikTok share 35 LeetCode interview questions. 14 problems appear only in Coupang's list and 316 appear only in TikTok's list.
What topics overlap most between Coupang and TikTok?
The most common shared topics between Coupang and TikTok are String (13 shared questions), Array (12 shared questions), Hash Table (11 shared questions), Breadth-First Search (8 shared questions), Depth-First Search (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Coupang or TikTok?
Coupang has 2 Easy, 33 Medium, and 14 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. Coupang has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Coupang and TikTok?
Start with the 35 shared problems since they cover what both companies ask most often. Then add 14 Coupang-specific and 20 TikTok-specific questions to round out your prep.