NVIDIA vs Walmart Labs Interview Questions
NVIDIA lists 136 LeetCode interview questions while Walmart Labs lists 144. They share 51 problems — 38% of NVIDIA's bank and 35% of Walmart Labs's. Focus on the overlap first, then drill into 85 NVIDIA-only and 93 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 51 overlapping problems first. These are the highest-yield questions for candidates interviewing at both NVIDIA and Walmart Labs.
Step 2 — Company-specific depth: Add NVIDIA-specific problems like Special Binary String, Minimum Operations to Reduce an Integer to 0, Last Stone Weight and Walmart Labs-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Walmart Labs skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
51 Shared Questions
High-priority problems to practice for both NVIDIA and Walmart Labs.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Two Sum | Easy |
| Merge k Sorted Lists | Hard |
| Group Anagrams | Medium |
| Valid Parentheses | Easy |
| Maximum Subarray | Medium |
| Number of Islands | Medium |
| Search in Rotated Sorted Array | Medium |
| Trapping Rain Water | Hard |
| Find the Duplicate Number | Medium |
| Move Zeroes | Easy |
| Container With Most Water | Medium |
| Merge Intervals | Medium |
| Sliding Window Maximum | Hard |
| Top K Frequent Elements | Medium |
| House Robber | Medium |
| Asteroid Collision | Medium |
| Jump Game | Medium |
| Product of Array Except Self | Medium |
| Copy List with Random Pointer | Medium |
| Subarray Sum Equals K | Medium |
| Longest Consecutive Sequence | Medium |
| Min Stack | Medium |
| Generate Parentheses | Medium |
| Reverse Linked List II | Medium |
| Find Median from Data Stream | Hard |
| Set Matrix Zeroes | Medium |
| Maximum Sum of Distinct Subarrays With Length K | Medium |
Showing top 30 of 51 shared problems.
Unique to NVIDIA (85)
Problems in NVIDIA's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Special Binary String | Hard |
| Minimum Operations to Reduce an Integer to 0 | Medium |
| Last Stone Weight | Easy |
| Maximize Greatness of an Array | Medium |
| Maximum Number of Visible Points | Hard |
| Restore IP Addresses | Medium |
| Fizz Buzz | Easy |
| Reverse Bits | Easy |
| Missing Number | Easy |
| Dot Product of Two Sparse Vectors | Medium |
| Task Scheduler II | Medium |
| Reverse Words in a String | Medium |
Unique to Walmart Labs (93)
Problems in Walmart Labs's list that do not appear at NVIDIA.
Frequently Asked Questions
How many LeetCode questions do NVIDIA and Walmart Labs share?
NVIDIA and Walmart Labs share 51 LeetCode interview questions. 85 problems appear only in NVIDIA's list and 93 appear only in Walmart Labs's list.
What topics overlap most between NVIDIA and Walmart Labs?
The most common shared topics between NVIDIA and Walmart Labs are Array (21 shared questions), Hash Table (10 shared questions), Dynamic Programming (6 shared questions), Two Pointers (5 shared questions), Linked List (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: NVIDIA or Walmart Labs?
NVIDIA has 32 Easy, 89 Medium, and 15 Hard questions. Walmart Labs has 22 Easy, 96 Medium, and 26 Hard questions. Walmart Labs has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both NVIDIA and Walmart Labs?
Start with the 51 shared problems since they cover what both companies ask most often. Then add 20 NVIDIA-specific and 20 Walmart Labs-specific questions to round out your prep.