eBay vs Microsoft Interview Questions
eBay lists 62 LeetCode interview questions while Microsoft lists 192. They share 30 problems — 48% of eBay's bank and 16% of Microsoft's. Focus on the overlap first, then drill into 32 eBay-only and 162 Microsoft-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 30 overlapping problems first. These are the highest-yield questions for candidates interviewing at both eBay and Microsoft.
Step 2 — Company-specific depth: Add eBay-specific problems like Remove One Element to Make the Array Strictly Increasing, Alternating Digit Sum, Binary Gap and Microsoft-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
30 Shared Questions
High-priority problems to practice for both eBay and Microsoft.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Partition Equal Subset Sum | Medium |
| Two Sum | Easy |
| Spiral Matrix | Medium |
| Number of Islands | Medium |
| Word Ladder | Hard |
| Pow(x, n) | Medium |
| Set Matrix Zeroes | Medium |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Course Schedule | Medium |
| Longest Palindromic Substring | Medium |
| Group Anagrams | Medium |
| 3Sum | Medium |
| Rotting Oranges | Medium |
| Interleaving String | Medium |
| Kth Largest Element in an Array | Medium |
| Sort Colors | Medium |
| Word Search | Medium |
| Jump Game II | Medium |
| Generate Parentheses | Medium |
| Find Peak Element | Medium |
| Merge k Sorted Lists | Hard |
| Best Time to Buy and Sell Stock II | Medium |
| Palindrome Linked List | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Sudoku Solver | Hard |
| Product of Array Except Self | Medium |
| Find Median from Data Stream | Hard |
| Substring with Concatenation of All Words | Hard |
Unique to eBay (32)
Problems in eBay's list that do not appear at Microsoft.
| Problem | Difficulty |
|---|---|
| Remove One Element to Make the Array Strictly Increasing | Easy |
| Alternating Digit Sum | Easy |
| 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 |
| Binary Tree Cameras | Hard |
| Reverse Pairs | Hard |
| Valid Palindrome II | Easy |
Unique to Microsoft (162)
Problems in Microsoft's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Merge Sorted Array | Easy |
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Single Element in a Sorted Array | Medium |
| Median of Two Sorted Arrays | Hard |
| Maximum Subarray | Medium |
| Search in Rotated Sorted Array | Medium |
| Reverse Nodes in k-Group | Hard |
| Merge Two Sorted Lists | Easy |
| Roman to Integer | Easy |
| Climbing Stairs | Easy |
| Container With Most Water | Medium |
Frequently Asked Questions
How many LeetCode questions do eBay and Microsoft share?
eBay and Microsoft share 30 LeetCode interview questions. 32 problems appear only in eBay's list and 162 appear only in Microsoft's list.
What topics overlap most between eBay and Microsoft?
The most common shared topics between eBay and Microsoft are Array (17 shared questions), String (9 shared questions), Hash Table (8 shared questions), Dynamic Programming (6 shared questions), Matrix (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: eBay or Microsoft?
eBay has 10 Easy, 39 Medium, and 13 Hard questions. Microsoft has 55 Easy, 109 Medium, and 28 Hard questions. eBay has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both eBay and Microsoft?
Start with the 30 shared problems since they cover what both companies ask most often. Then add 20 eBay-specific and 20 Microsoft-specific questions to round out your prep.