Coupang vs Twitter Interview Questions
Coupang lists 49 LeetCode interview questions while Twitter lists 53. They share 4 problems — 8% of Coupang's bank and 8% of Twitter's. Focus on the overlap first, then drill into 45 Coupang-only and 49 Twitter-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Coupang and Twitter.
Step 2 — Company-specific depth: Add Coupang-specific problems like Word Break, Subsets, Decode String and Twitter-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
4 Shared Questions
High-priority problems to practice for both Coupang and Twitter.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Design Twitter | Medium |
| Regular Expression Matching | Hard |
| Wildcard Matching | Hard |
Unique to Coupang (45)
Problems in Coupang's list that do not appear at Twitter.
| Problem | Difficulty |
|---|---|
| Word Break | Medium |
| Subsets | Medium |
| Decode String | Medium |
| LFU Cache | Hard |
| Longest Substring with At Most K Distinct Characters | Medium |
| Split BST | Medium |
| Range Module | Hard |
| Find Pivot Index | Easy |
| Course Schedule | Medium |
| Design In-Memory File System | Hard |
| Unique Paths II | Medium |
| Shopping Offers | Medium |
Unique to Twitter (49)
Problems in Twitter's list that do not appear at Coupang.
| Problem | Difficulty |
|---|---|
| Integer to Roman | Medium |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Trapping Rain Water | Hard |
| Multiply Strings | Medium |
| Merge Intervals | Medium |
| Permutation Sequence | Hard |
| Pascal's Triangle | Easy |
| Word Break II | Hard |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
| One Edit Distance | Medium |
Frequently Asked Questions
How many LeetCode questions do Coupang and Twitter share?
Coupang and Twitter share 4 LeetCode interview questions. 45 problems appear only in Coupang's list and 49 appear only in Twitter's list.
What topics overlap most between Coupang and Twitter?
The most common shared topics between Coupang and Twitter are Hash Table (2 shared questions), Linked List (2 shared questions), Design (2 shared questions), String (2 shared questions), Dynamic Programming (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Coupang or Twitter?
Coupang has 2 Easy, 33 Medium, and 14 Hard questions. Twitter has 8 Easy, 33 Medium, and 12 Hard questions. Coupang has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Coupang and Twitter?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 Coupang-specific and 20 Twitter-specific questions to round out your prep.