Palo Alto Networks vs Walmart Labs Interview Questions
Palo Alto Networks lists 46 LeetCode interview questions while Walmart Labs lists 144. They share 24 problems — 52% of Palo Alto Networks's bank and 17% of Walmart Labs's. Focus on the overlap first, then drill into 22 Palo Alto Networks-only and 120 Walmart Labs-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 24 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Palo Alto Networks and Walmart Labs.
Step 2 — Company-specific depth: Add Palo Alto Networks-specific problems like Find the Longest Equal Subarray, Logger Rate Limiter, String Compression 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
24 Shared Questions
High-priority problems to practice for both Palo Alto Networks and Walmart Labs.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Search in Rotated Sorted Array | Medium |
| Group Anagrams | Medium |
| Decode String | Medium |
| Min Stack | Medium |
| Merge Intervals | Medium |
| Median of Two Sorted Arrays | Hard |
| Integer to Roman | Medium |
| Longest Common Prefix | Easy |
| Subarray Sum Equals K | Medium |
| Linked List Cycle | Easy |
| Diameter of Binary Tree | Easy |
| Two Sum | Easy |
| Sliding Window Maximum | Hard |
| Basic Calculator | Hard |
| Word Break | Medium |
| Valid Parentheses | Easy |
| Basic Calculator II | Medium |
| Advantage Shuffle | Medium |
| Reconstruct Itinerary | Hard |
| Reverse Linked List II | Medium |
| Longest Palindromic Substring | Medium |
| Binary Tree Zigzag Level Order Traversal | Medium |
Unique to Palo Alto Networks (22)
Problems in Palo Alto Networks's list that do not appear at Walmart Labs.
| Problem | Difficulty |
|---|---|
| Find the Longest Equal Subarray | Medium |
| Logger Rate Limiter | Easy |
| String Compression | Medium |
| Add Two Numbers | Medium |
| Design HashMap | Easy |
| Minimum Number of Food Buckets to Feed the Hamsters | Medium |
| Binary Tree Level Order Traversal | Medium |
| Merge Sorted Array | Easy |
| Insert Delete GetRandom O(1) | Medium |
| Restore IP Addresses | Medium |
| Top K Frequent Words | Medium |
| Design Twitter | Medium |
Unique to Walmart Labs (120)
Problems in Walmart Labs's list that do not appear at Palo Alto Networks.
Frequently Asked Questions
How many LeetCode questions do Palo Alto Networks and Walmart Labs share?
Palo Alto Networks and Walmart Labs share 24 LeetCode interview questions. 22 problems appear only in Palo Alto Networks's list and 120 appear only in Walmart Labs's list.
What topics overlap most between Palo Alto Networks and Walmart Labs?
The most common shared topics between Palo Alto Networks and Walmart Labs are String (11 shared questions), Array (11 shared questions), Hash Table (8 shared questions), Stack (5 shared questions), Sorting (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Palo Alto Networks or Walmart Labs?
Palo Alto Networks has 12 Easy, 29 Medium, and 5 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 Palo Alto Networks and Walmart Labs?
Start with the 24 shared problems since they cover what both companies ask most often. Then add 20 Palo Alto Networks-specific and 20 Walmart Labs-specific questions to round out your prep.