eBay vs Roblox Interview Questions
eBay lists 62 LeetCode interview questions while Roblox lists 56. They share 10 problems — 16% of eBay's bank and 18% of Roblox's. Focus on the overlap first, then drill into 52 eBay-only and 46 Roblox-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both eBay and Roblox.
Step 2 — Company-specific depth: Add eBay-specific problems like LRU Cache, Remove One Element to Make the Array Strictly Increasing, Alternating Digit Sum and Roblox-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Roblox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
10 Shared Questions
High-priority problems to practice for both eBay and Roblox.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Spiral Matrix | Medium |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Course Schedule | Medium |
| Rotting Oranges | Medium |
| Restore the Array From Adjacent Pairs | Medium |
| Reorganize String | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Block Placement Queries | Hard |
Unique to eBay (52)
Problems in eBay's list that do not appear at Roblox.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Remove One Element to Make the Array Strictly Increasing | Easy |
| Alternating Digit Sum | Easy |
| Partition Equal Subset Sum | Medium |
| Binary Gap | Easy |
| Minimize Maximum Pair Sum in Array | Medium |
| Minimum Window Subsequence | Hard |
| Design Skiplist | Hard |
| Subtree of Another Tree | Easy |
| Top K Frequent Elements | Medium |
| Open the Lock | Medium |
| Number of Islands | Medium |
Unique to Roblox (46)
Problems in Roblox's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Candy Crush | Medium |
| Number of Ways to Wear Different Hats to Each Other | Hard |
| Text Justification | Hard |
| Maximize Distance to Closest Person | Medium |
| Task Scheduler | Medium |
| Course Schedule II | Medium |
| Design Hit Counter | Medium |
| Design Search Autocomplete System | Hard |
| Integer to English Words | Hard |
| Count Number of Nice Subarrays | Medium |
| Group the People Given the Group Size They Belong To | Medium |
| Rotate Image | Medium |
Frequently Asked Questions
How many LeetCode questions do eBay and Roblox share?
eBay and Roblox share 10 LeetCode interview questions. 52 problems appear only in eBay's list and 46 appear only in Roblox's list.
What topics overlap most between eBay and Roblox?
The most common shared topics between eBay and Roblox are Array (6 shared questions), Hash Table (4 shared questions), String (3 shared questions), Matrix (2 shared questions), Sorting (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: eBay or Roblox?
eBay has 10 Easy, 39 Medium, and 13 Hard questions. Roblox has 8 Easy, 35 Medium, and 13 Hard questions. Roblox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both eBay and Roblox?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 eBay-specific and 20 Roblox-specific questions to round out your prep.