Uber vs Walmart Labs Interview Questions
Uber lists 362 LeetCode interview questions while Walmart Labs lists 144. They share 75 problems — 21% of Uber's bank and 52% of Walmart Labs's. Focus on the overlap first, then drill into 287 Uber-only and 69 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 75 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Uber and Walmart Labs.
Step 2 — Company-specific depth: Add Uber-specific problems like Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit, Alien Dictionary, Squares of a Sorted Array and Walmart Labs-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
75 Shared Questions
High-priority problems to practice for both Uber and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Bus Routes | Hard |
| Number of Islands | Medium |
| Number of Islands II | Hard |
| Word Search | Medium |
| LRU Cache | Medium |
| Design Hit Counter | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Product of Array Except Self | Medium |
| Course Schedule II | Medium |
| Spiral Matrix | Medium |
| Valid Sudoku | Medium |
| Course Schedule | Medium |
| Basic Calculator | Hard |
| Group Anagrams | Medium |
| Meeting Rooms II | Medium |
| Word Break | Medium |
| Two Sum | Easy |
| Search in Rotated Sorted Array | Medium |
| Top K Frequent Elements | Medium |
| Minimum Window Substring | Hard |
| Merge k Sorted Lists | Hard |
| Roman to Integer | Easy |
| The Maze | Medium |
| Decode Ways | Medium |
| Asteroid Collision | Medium |
| Find Peak Element | Medium |
| Meeting Rooms III | Hard |
| Rotting Oranges | Medium |
| Coin Change | Medium |
| Subsets | Medium |
Showing top 30 of 75 shared problems.
Unique to Uber (287)
Problems in Uber's list that do not appear at Walmart Labs.
Unique to Walmart Labs (69)
Problems in Walmart Labs's list that do not appear at Uber.
Frequently Asked Questions
How many LeetCode questions do Uber and Walmart Labs share?
Uber and Walmart Labs share 75 LeetCode interview questions. 287 problems appear only in Uber's list and 69 appear only in Walmart Labs's list.
What topics overlap most between Uber and Walmart Labs?
The most common shared topics between Uber and Walmart Labs are Array (22 shared questions), Hash Table (11 shared questions), Breadth-First Search (7 shared questions), String (7 shared questions), Matrix (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Uber or Walmart Labs?
Uber has 45 Easy, 215 Medium, and 102 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Uber has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Uber and Walmart Labs?
Start with the 75 shared problems since they cover what both companies ask most often. Then add 20 Uber-specific and 20 Walmart Labs-specific questions to round out your prep.