Expedia vs Palo Alto Networks Interview Questions
Expedia lists 64 LeetCode interview questions while Palo Alto Networks lists 46. They share 11 problems — 17% of Expedia's bank and 24% of Palo Alto Networks's. Focus on the overlap first, then drill into 53 Expedia-only and 35 Palo Alto Networks-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 11 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Expedia and Palo Alto Networks.
Step 2 — Company-specific depth: Add Expedia-specific problems like Find the Smallest Divisor Given a Threshold, Valid Triangle Number, The kth Factor of n and Palo Alto Networks-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Expedia skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
11 Shared Questions
High-priority problems to practice for both Expedia and Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| String Compression | Medium |
| Group Anagrams | Medium |
| Merge Intervals | Medium |
| Sliding Window Maximum | Hard |
| Two Sum | Easy |
| Valid Parentheses | Easy |
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Basic Calculator II | Medium |
| Koko Eating Bananas | Medium |
| Search in Rotated Sorted Array | Medium |
Unique to Expedia (53)
Problems in Expedia's list that do not appear at Palo Alto Networks.
Unique to Palo Alto Networks (35)
Problems in Palo Alto Networks's list that do not appear at Expedia.
| Problem | Difficulty |
|---|---|
| Find the Longest Equal Subarray | Medium |
| Logger Rate Limiter | Easy |
| Add Two Numbers | Medium |
| Design HashMap | Easy |
| Decode String | Medium |
| Minimum Number of Food Buckets to Feed the Hamsters | Medium |
| Min Stack | Medium |
| Binary Tree Level Order Traversal | Medium |
| Merge Sorted Array | Easy |
| Median of Two Sorted Arrays | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Restore IP Addresses | Medium |
Frequently Asked Questions
How many LeetCode questions do Expedia and Palo Alto Networks share?
Expedia and Palo Alto Networks share 11 LeetCode interview questions. 53 problems appear only in Expedia's list and 35 appear only in Palo Alto Networks's list.
What topics overlap most between Expedia and Palo Alto Networks?
The most common shared topics between Expedia and Palo Alto Networks are Array (6 shared questions), String (5 shared questions), Hash Table (4 shared questions), Sorting (2 shared questions), Sliding Window (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Expedia or Palo Alto Networks?
Expedia has 13 Easy, 42 Medium, and 9 Hard questions. Palo Alto Networks has 12 Easy, 29 Medium, and 5 Hard questions. Expedia has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Expedia and Palo Alto Networks?
Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 Expedia-specific and 20 Palo Alto Networks-specific questions to round out your prep.