ByteDance vs eBay Interview Questions
ByteDance lists 64 LeetCode interview questions while eBay lists 62. They share 17 problems — 27% of ByteDance's bank and 27% of eBay's. Focus on the overlap first, then drill into 47 ByteDance-only and 45 eBay-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 17 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and eBay.
Step 2 — Company-specific depth: Add ByteDance-specific problems like Remove Duplicate Letters, Smallest Subsequence of Distinct Characters, First Day Where You Have Been in All the Rooms and eBay-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: eBay skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
17 Shared Questions
High-priority problems to practice for both ByteDance and eBay.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Course Schedule | Medium |
| Merge Intervals | Medium |
| Maximal Square | Medium |
| Top K Frequent Elements | Medium |
| Two Sum | Easy |
| Word Ladder | Hard |
| Rotting Oranges | Medium |
| Decode String | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Kth Largest Element in an Array | Medium |
| Longest Palindromic Substring | Medium |
| Merge k Sorted Lists | Hard |
| Clone Graph | Medium |
| Find Peak Element | Medium |
| Valid Parentheses | Easy |
Unique to ByteDance (47)
Problems in ByteDance's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Remove Duplicate Letters | Medium |
| Smallest Subsequence of Distinct Characters | Medium |
| First Day Where You Have Been in All the Rooms | Medium |
| Combination Sum | Medium |
| Basic Calculator II | Medium |
| Shortest Bridge | Medium |
| House Robber | Medium |
| Regular Expression Matching | Hard |
| Design Memory Allocator | Medium |
| Longest Increasing Subsequence | Medium |
| Trapping Rain Water | Hard |
| Search in Rotated Sorted Array | Medium |
Unique to eBay (45)
Problems in eBay's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| 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 |
| Spiral Matrix | Medium |
| Open the Lock | Medium |
| Binary Tree Cameras | Hard |
| Pow(x, n) | Medium |
Frequently Asked Questions
How many LeetCode questions do ByteDance and eBay share?
ByteDance and eBay share 17 LeetCode interview questions. 47 problems appear only in ByteDance's list and 45 appear only in eBay's list.
What topics overlap most between ByteDance and eBay?
The most common shared topics between ByteDance and eBay are Array (8 shared questions), Hash Table (6 shared questions), Breadth-First Search (5 shared questions), String (5 shared questions), Depth-First Search (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or eBay?
ByteDance has 4 Easy, 51 Medium, and 9 Hard questions. eBay has 10 Easy, 39 Medium, and 13 Hard questions. eBay has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both ByteDance and eBay?
Start with the 17 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 eBay-specific questions to round out your prep.