Airbnb vs Palo Alto Networks Interview Questions
Airbnb lists 63 LeetCode interview questions while Palo Alto Networks lists 46. They share 5 problems — 8% of Airbnb's bank and 11% of Palo Alto Networks's. Focus on the overlap first, then drill into 58 Airbnb-only and 41 Palo Alto Networks-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 Airbnb and Palo Alto Networks.
Step 2 — Company-specific depth: Add Airbnb-specific problems like Text Justification, Flatten 2D Vector, Smallest Common Region and Palo Alto Networks-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Airbnb 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 Airbnb and Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| Maximum Profit in Job Scheduling | Hard |
| Two Sum | Easy |
| Add Two Numbers | Medium |
| Valid Parentheses | Easy |
| Basic Calculator II | Medium |
Unique to Airbnb (58)
Problems in Airbnb's list that do not appear at Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| Text Justification | Hard |
| Flatten 2D Vector | Medium |
| Smallest Common Region | Medium |
| Palindrome Pairs | Hard |
| Maximum Candies You Can Get from Boxes | Hard |
| Pour Water | Medium |
| Sliding Puzzle | Hard |
| Design Excel Sum Formula | Hard |
| Intersection of Two Linked Lists | Easy |
| Trapping Rain Water | Hard |
| Alien Dictionary | Hard |
| Contains Duplicate II | Easy |
Unique to Palo Alto Networks (41)
Problems in Palo Alto Networks's list that do not appear at Airbnb.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Find the Longest Equal Subarray | Medium |
| Logger Rate Limiter | Easy |
| String Compression | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Design HashMap | Easy |
| Search in Rotated Sorted Array | Medium |
| Group Anagrams | Medium |
| Decode String | Medium |
| Minimum Number of Food Buckets to Feed the Hamsters | Medium |
| Min Stack | Medium |
| Binary Tree Level Order Traversal | Medium |
Frequently Asked Questions
How many LeetCode questions do Airbnb and Palo Alto Networks share?
Airbnb and Palo Alto Networks share 5 LeetCode interview questions. 58 problems appear only in Airbnb's list and 41 appear only in Palo Alto Networks's list.
What topics overlap most between Airbnb and Palo Alto Networks?
The most common shared topics between Airbnb and Palo Alto Networks are Array (2 shared questions), Math (2 shared questions), String (2 shared questions), Stack (2 shared questions), Binary Search (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Airbnb or Palo Alto Networks?
Airbnb has 11 Easy, 31 Medium, and 21 Hard questions. Palo Alto Networks has 12 Easy, 29 Medium, and 5 Hard questions. Airbnb has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Airbnb and Palo Alto Networks?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Airbnb-specific and 20 Palo Alto Networks-specific questions to round out your prep.