Deloitte vs eBay Interview Questions
Deloitte lists 43 LeetCode interview questions while eBay lists 62. They share 11 problems — 26% of Deloitte's bank and 18% of eBay's. Focus on the overlap first, then drill into 32 Deloitte-only and 51 eBay-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 11 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Deloitte and eBay.
Step 2 — Company-specific depth: Add Deloitte-specific problems like Change Null Values in a Table to the Previous Value, Second Highest Salary, Best Time to Buy and Sell Stock 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
11 Shared Questions
High-priority problems to practice for both Deloitte and eBay.
| Problem | Difficulty |
|---|---|
| Merge k Sorted Lists | Hard |
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Longest Palindromic Substring | Medium |
| Merge Intervals | Medium |
| 3Sum | Medium |
| Group Anagrams | Medium |
| Reverse Pairs | Hard |
| Kth Largest Element in an Array | Medium |
| Shortest Unsorted Continuous Subarray | Medium |
Unique to Deloitte (32)
Problems in Deloitte's list that do not appear at eBay.
Unique to eBay (51)
Problems in eBay's list that do not appear at Deloitte.
| 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 |
| Spiral Matrix | Medium |
| Top K Frequent Elements | Medium |
| Open the Lock | Medium |
Frequently Asked Questions
How many LeetCode questions do Deloitte and eBay share?
Deloitte and eBay share 11 LeetCode interview questions. 32 problems appear only in Deloitte's list and 51 appear only in eBay's list.
What topics overlap most between Deloitte and eBay?
The most common shared topics between Deloitte and eBay are Array (7 shared questions), Sorting (5 shared questions), String (4 shared questions), Divide and Conquer (3 shared questions), Hash Table (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Deloitte or eBay?
Deloitte has 17 Easy, 23 Medium, and 3 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 Deloitte and eBay?
Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 Deloitte-specific and 20 eBay-specific questions to round out your prep.