eBay vs Zenefits Interview Questions
eBay lists 62 LeetCode interview questions while Zenefits lists 21. They share 5 problems — 8% of eBay's bank and 24% of Zenefits's. Focus on the overlap first, then drill into 57 eBay-only and 16 Zenefits-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both eBay and Zenefits.
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 Zenefits-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zenefits skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
5 Shared Questions
High-priority problems to practice for both eBay and Zenefits.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Valid Parentheses | Easy |
| Course Schedule | Medium |
| Generate Parentheses | Medium |
Unique to eBay (57)
Problems in eBay's list that do not appear at Zenefits.
| 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 |
| Two Sum | Easy |
| Spiral Matrix | Medium |
| Top K Frequent Elements | Medium |
| Open the Lock | Medium |
Unique to Zenefits (16)
Problems in Zenefits's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Median of Two Sorted Arrays | Hard |
| Graph Valid Tree | Medium |
| Reverse Linked List | Easy |
| Course Schedule II | Medium |
| Min Stack | Medium |
| Majority Element II | Medium |
| Excel Sheet Column Title | Easy |
| Majority Element | Easy |
| Trapping Rain Water | Hard |
| Convert Sorted List to Binary Search Tree | Medium |
| Sliding Window Maximum | Hard |
| N-Queens II | Hard |
Frequently Asked Questions
How many LeetCode questions do eBay and Zenefits share?
eBay and Zenefits share 5 LeetCode interview questions. 57 problems appear only in eBay's list and 16 appear only in Zenefits's list.
What topics overlap most between eBay and Zenefits?
The most common shared topics between eBay and Zenefits are Depth-First Search (2 shared questions), Breadth-First Search (2 shared questions), String (2 shared questions), Hash Table (1 shared questions), Linked List (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: eBay or Zenefits?
eBay has 10 Easy, 39 Medium, and 13 Hard questions. Zenefits has 5 Easy, 11 Medium, and 5 Hard questions. Zenefits has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both eBay and Zenefits?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 eBay-specific and 16 Zenefits-specific questions to round out your prep.