Walmart Labs vs Waymo Interview Questions
Walmart Labs lists 144 LeetCode interview questions while Waymo lists 25. They share 5 problems — 3% of Walmart Labs's bank and 20% of Waymo's. Focus on the overlap first, then drill into 139 Walmart Labs-only and 20 Waymo-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Walmart Labs and Waymo.
Step 2 — Company-specific depth: Add Walmart Labs-specific problems like Longest Substring Without Repeating Characters, LRU Cache, Valid Parentheses and Waymo-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Waymo skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
5 Shared Questions
High-priority problems to practice for both Walmart Labs and Waymo.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Meeting Rooms II | Medium |
| Largest Rectangle in Histogram | Hard |
| Number of Islands II | Hard |
| Find Peak Element | Medium |
Unique to Walmart Labs (139)
Problems in Walmart Labs's list that do not appear at Waymo.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| LRU Cache | Medium |
| Valid Parentheses | Easy |
| Two Sum | Easy |
| Trapping Rain Water | Hard |
| Generate Parentheses | Medium |
| Merge Intervals | Medium |
| Search in Rotated Sorted Array | Medium |
| Divide Intervals Into Minimum Number of Groups | Medium |
| Middle of the Linked List | Easy |
| Maximum Number of Tasks You Can Assign | Hard |
| The Winner University | Easy |
Unique to Waymo (20)
Problems in Waymo's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Max Points on a Line | Hard |
| Random Pick with Weight | Medium |
| Logger Rate Limiter | Easy |
| Number of Visible People in a Queue | Hard |
| Minimum Number of Refueling Stops | Hard |
| Minimum Knight Moves | Medium |
| Minimum Area Rectangle | Medium |
| Design Excel Sum Formula | Hard |
| Design Tic-Tac-Toe | Medium |
| Shortest Distance from All Buildings | Hard |
| Maximum Gap | Medium |
| Divide Array in Sets of K Consecutive Numbers | Medium |
Frequently Asked Questions
How many LeetCode questions do Walmart Labs and Waymo share?
Walmart Labs and Waymo share 5 LeetCode interview questions. 139 problems appear only in Walmart Labs's list and 20 appear only in Waymo's list.
What topics overlap most between Walmart Labs and Waymo?
The most common shared topics between Walmart Labs and Waymo are Array (5 shared questions), Union-Find (2 shared questions), Depth-First Search (1 shared questions), Breadth-First Search (1 shared questions), Matrix (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Walmart Labs or Waymo?
Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Waymo has 1 Easy, 13 Medium, and 11 Hard questions. Waymo has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Walmart Labs and Waymo?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Walmart Labs-specific and 20 Waymo-specific questions to round out your prep.