Arista Networks vs Walmart Labs Interview Questions
Arista Networks lists 39 LeetCode interview questions while Walmart Labs lists 144. They share 16 problems — 41% of Arista Networks's bank and 11% of Walmart Labs's. Focus on the overlap first, then drill into 23 Arista Networks-only and 128 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 16 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Arista Networks and Walmart Labs.
Step 2 — Company-specific depth: Add Arista Networks-specific problems like Construct String With Repeat Limit, Find the Town Judge, Restore IP Addresses 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
16 Shared Questions
High-priority problems to practice for both Arista Networks and Walmart Labs.
| Problem | Difficulty |
|---|---|
| Reverse Nodes in k-Group | Hard |
| Course Schedule II | Medium |
| Reverse Linked List II | Medium |
| Copy List with Random Pointer | Medium |
| LRU Cache | Medium |
| Search in Rotated Sorted Array | Medium |
| Palindromic Substrings | Medium |
| Longest Palindromic Substring | Medium |
| Word Search | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Word Break | Medium |
| Top K Frequent Elements | Medium |
| Edit Distance | Medium |
| Valid Palindrome | Easy |
| Decode String | Medium |
Unique to Arista Networks (23)
Problems in Arista Networks's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Construct String With Repeat Limit | Medium |
| Find the Town Judge | Easy |
| Restore IP Addresses | Medium |
| Reorder List | Medium |
| Remove Linked List Elements | Easy |
| Contains Duplicate II | Easy |
| Inorder Successor in BST II | Medium |
| Maximum Depth of Binary Tree | Easy |
| Missing Number | Easy |
| Rotated Digits | Medium |
| Maximum Units on a Truck | Easy |
| Simplify Path | Medium |
Unique to Walmart Labs (128)
Problems in Walmart Labs's list that do not appear at Arista Networks.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Valid Parentheses | Easy |
| Two Sum | Easy |
| Trapping Rain Water | Hard |
| Generate Parentheses | Medium |
| Merge Intervals | 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 |
| Count Good Triplets in an Array | Hard |
| XOR Operation in an Array | Easy |
Frequently Asked Questions
How many LeetCode questions do Arista Networks and Walmart Labs share?
Arista Networks and Walmart Labs share 16 LeetCode interview questions. 23 problems appear only in Arista Networks's list and 128 appear only in Walmart Labs's list.
What topics overlap most between Arista Networks and Walmart Labs?
The most common shared topics between Arista Networks and Walmart Labs are String (8 shared questions), Hash Table (5 shared questions), Array (5 shared questions), Dynamic Programming (5 shared questions), Linked List (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Arista Networks or Walmart Labs?
Arista Networks has 12 Easy, 26 Medium, and 1 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 Arista Networks and Walmart Labs?
Start with the 16 shared problems since they cover what both companies ask most often. Then add 20 Arista Networks-specific and 20 Walmart Labs-specific questions to round out your prep.