Qualcomm vs Uber Interview Questions
Qualcomm lists 62 LeetCode interview questions while Uber lists 362. They share 28 problems — 45% of Qualcomm's bank and 8% of Uber's. Focus on the overlap first, then drill into 34 Qualcomm-only and 334 Uber-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 28 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Qualcomm and Uber.
Step 2 — Company-specific depth: Add Qualcomm-specific problems like String Compression III, Maximum Number of Ones, Palindrome Number and Uber-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Uber skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
28 Shared Questions
High-priority problems to practice for both Qualcomm and Uber.
| Problem | Difficulty |
|---|---|
| Reverse Nodes in k-Group | Hard |
| Number of Islands | Medium |
| LRU Cache | Medium |
| Two Sum | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Reverse Linked List | Easy |
| Valid Parentheses | Easy |
| Rotate Image | Medium |
| Move Zeroes | Easy |
| Climbing Stairs | Easy |
| String to Integer (atoi) | Medium |
| Trapping Rain Water | Hard |
| Swap Nodes in Pairs | Medium |
| Design Memory Allocator | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Serialize and Deserialize Binary Tree | Hard |
| Merge Intervals | Medium |
| Kth Largest Element in an Array | Medium |
| Maximum Depth of Binary Tree | Easy |
| Reverse Integer | Medium |
| Course Schedule II | Medium |
| Permutations | Medium |
| Median of Two Sorted Arrays | Hard |
| Subarray Sum Equals K | Medium |
| Generate Parentheses | Medium |
| Merge k Sorted Lists | Hard |
| Container With Most Water | Medium |
| Longest Common Prefix | Easy |
Unique to Qualcomm (34)
Problems in Qualcomm's list that do not appear at Uber.
| Problem | Difficulty |
|---|---|
| String Compression III | Medium |
| Maximum Number of Ones | Hard |
| Palindrome Number | Easy |
| Remove Nth Node From End of List | Medium |
| Reverse Bits | Easy |
| 3Sum | Medium |
| Power of Two | Easy |
| Rectangle Overlap | Easy |
| Linked List Cycle | Easy |
| Reverse String | Easy |
| Middle of the Linked List | Easy |
| Pow(x, n) | Medium |
Unique to Uber (334)
Problems in Uber's list that do not appear at Qualcomm.
| Problem | Difficulty |
|---|---|
| Bus Routes | Hard |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium |
| Alien Dictionary | Hard |
| Number of Islands II | Hard |
| Squares of a Sorted Array | Easy |
| Construct Quad Tree | Medium |
| Kth Smallest Element in a BST | Medium |
| First Unique Number | Medium |
| Find the Closest Palindrome | Hard |
| Word Search | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Design Hit Counter | Medium |
Frequently Asked Questions
How many LeetCode questions do Qualcomm and Uber share?
Qualcomm and Uber share 28 LeetCode interview questions. 34 problems appear only in Qualcomm's list and 334 appear only in Uber's list.
What topics overlap most between Qualcomm and Uber?
The most common shared topics between Qualcomm and Uber are Array (14 shared questions), String (6 shared questions), Linked List (5 shared questions), Hash Table (5 shared questions), Depth-First Search (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Qualcomm or Uber?
Qualcomm has 28 Easy, 25 Medium, and 9 Hard questions. Uber has 45 Easy, 215 Medium, and 102 Hard questions. Uber has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Qualcomm and Uber?
Start with the 28 shared problems since they cover what both companies ask most often. Then add 20 Qualcomm-specific and 20 Uber-specific questions to round out your prep.