eBay vs Qualcomm Interview Questions
eBay lists 62 LeetCode interview questions while Qualcomm lists 62. They share 11 problems — 18% of eBay's bank and 18% of Qualcomm's. Focus on the overlap first, then drill into 51 eBay-only and 51 Qualcomm-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 eBay and Qualcomm.
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 Qualcomm-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 eBay and Qualcomm.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Number of Islands | Medium |
| Pow(x, n) | Medium |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| 3Sum | Medium |
| Kth Largest Element in an Array | Medium |
| Generate Parentheses | Medium |
| Merge k Sorted Lists | Hard |
| Longest Substring Without Repeating Characters | Medium |
Unique to eBay (51)
Problems in eBay's list that do not appear at Qualcomm.
| 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 |
| Top K Frequent Elements | Medium |
| Open the Lock | Medium |
| Binary Tree Cameras | Hard |
Unique to Qualcomm (51)
Problems in Qualcomm's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| String Compression III | Medium |
| Maximum Number of Ones | Hard |
| Reverse Nodes in k-Group | Hard |
| Reverse Linked List | Easy |
| Palindrome Number | Easy |
| Remove Nth Node From End of List | Medium |
| Reverse Bits | Easy |
| Rotate Image | Medium |
| Power of Two | Easy |
| Rectangle Overlap | Easy |
| Linked List Cycle | Easy |
| Reverse String | Easy |
Frequently Asked Questions
How many LeetCode questions do eBay and Qualcomm share?
eBay and Qualcomm share 11 LeetCode interview questions. 51 problems appear only in eBay's list and 51 appear only in Qualcomm's list.
What topics overlap most between eBay and Qualcomm?
The most common shared topics between eBay and Qualcomm are Array (5 shared questions), Hash Table (3 shared questions), Sorting (3 shared questions), String (3 shared questions), Linked List (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: eBay or Qualcomm?
eBay has 10 Easy, 39 Medium, and 13 Hard questions. Qualcomm has 28 Easy, 25 Medium, and 9 Hard questions. eBay has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both eBay and Qualcomm?
Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 eBay-specific and 20 Qualcomm-specific questions to round out your prep.