Roblox vs Walmart Labs Interview Questions
Roblox lists 56 LeetCode interview questions while Walmart Labs lists 144. They share 14 problems — 25% of Roblox's bank and 10% of Walmart Labs's. Focus on the overlap first, then drill into 42 Roblox-only and 130 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 14 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Roblox and Walmart Labs.
Step 2 — Company-specific depth: Add Roblox-specific problems like Candy Crush, Reorganize String, Number of Ways to Wear Different Hats to Each Other and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Roblox skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
14 Shared Questions
High-priority problems to practice for both Roblox and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Course Schedule II | Medium |
| Design Hit Counter | Medium |
| Valid Parentheses | Easy |
| Course Schedule | Medium |
| Two Sum | Easy |
| Merge Intervals | Medium |
| Largest Rectangle in Histogram | Hard |
| Spiral Matrix | Medium |
| Trapping Rain Water | Hard |
| Longest Common Prefix | Easy |
| Rotting Oranges | Medium |
| Longest Consecutive Sequence | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Sliding Window Maximum | Hard |
Unique to Roblox (42)
Problems in Roblox's list that do not appear at Walmart Labs.
Unique to Walmart Labs (130)
Problems in Walmart Labs's list that do not appear at Roblox.
Frequently Asked Questions
How many LeetCode questions do Roblox and Walmart Labs share?
Roblox and Walmart Labs share 14 LeetCode interview questions. 42 problems appear only in Roblox's list and 130 appear only in Walmart Labs's list.
What topics overlap most between Roblox and Walmart Labs?
The most common shared topics between Roblox and Walmart Labs are Array (10 shared questions), Breadth-First Search (3 shared questions), String (3 shared questions), Stack (3 shared questions), Hash Table (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Roblox or Walmart Labs?
Roblox has 8 Easy, 35 Medium, and 13 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Roblox has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Roblox and Walmart Labs?
Start with the 14 shared problems since they cover what both companies ask most often. Then add 20 Roblox-specific and 20 Walmart Labs-specific questions to round out your prep.