eBay vs Twitter Interview Questions
eBay lists 62 LeetCode interview questions while Twitter lists 53. They share 8 problems — 13% of eBay's bank and 15% of Twitter's. Focus on the overlap first, then drill into 54 eBay-only and 45 Twitter-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 8 overlapping problems first. These are the highest-yield questions for candidates interviewing at both eBay and Twitter.
Step 2 — Company-specific depth: Add eBay-specific problems like Remove One Element to Make the Array Strictly Increasing, Alternating Digit Sum, Partition Equal Subset Sum and Twitter-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Twitter skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
8 Shared Questions
High-priority problems to practice for both eBay and Twitter.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Binary Gap | Easy |
| Design Skiplist | Hard |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Rotting Oranges | Medium |
| Merge k Sorted Lists | Hard |
| Alien Dictionary | Hard |
Unique to eBay (54)
Problems in eBay's list that do not appear at Twitter.
| Problem | Difficulty |
|---|---|
| Remove One Element to Make the Array Strictly Increasing | Easy |
| Alternating Digit Sum | Easy |
| Partition Equal Subset Sum | Medium |
| Minimize Maximum Pair Sum in Array | Medium |
| Minimum Window Subsequence | Hard |
| Subtree of Another Tree | Easy |
| Two Sum | Easy |
| Spiral Matrix | Medium |
| Top K Frequent Elements | Medium |
| Open the Lock | Medium |
| Number of Islands | Medium |
| Binary Tree Cameras | Hard |
Unique to Twitter (45)
Problems in Twitter's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Regular Expression Matching | Hard |
| Integer to Roman | Medium |
| Trapping Rain Water | Hard |
| Multiply Strings | Medium |
| Wildcard Matching | Hard |
| 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 |
| Happy Number | Easy |
Frequently Asked Questions
How many LeetCode questions do eBay and Twitter share?
eBay and Twitter share 8 LeetCode interview questions. 54 problems appear only in eBay's list and 45 appear only in Twitter's list.
What topics overlap most between eBay and Twitter?
The most common shared topics between eBay and Twitter are Linked List (3 shared questions), Array (3 shared questions), Design (2 shared questions), String (2 shared questions), Breadth-First Search (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: eBay or Twitter?
eBay has 10 Easy, 39 Medium, and 13 Hard questions. Twitter has 8 Easy, 33 Medium, and 12 Hard questions. Twitter has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both eBay and Twitter?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 eBay-specific and 20 Twitter-specific questions to round out your prep.