Palo Alto Networks vs Uber Interview Questions
Palo Alto Networks lists 46 LeetCode interview questions while Uber lists 362. They share 25 problems — 54% of Palo Alto Networks's bank and 7% of Uber's. Focus on the overlap first, then drill into 21 Palo Alto Networks-only and 337 Uber-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 25 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Palo Alto Networks and Uber.
Step 2 — Company-specific depth: Add Palo Alto Networks-specific problems like Find the Longest Equal Subarray, Logger Rate Limiter, String Compression and Uber-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Uber skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
25 Shared Questions
High-priority problems to practice for both Palo Alto Networks and Uber.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Add Two Numbers | Medium |
| Search in Rotated Sorted Array | Medium |
| Group Anagrams | Medium |
| Min Stack | Medium |
| Merge Intervals | Medium |
| Median of Two Sorted Arrays | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Top K Frequent Words | Medium |
| Longest Common Prefix | Easy |
| Subarray Sum Equals K | Medium |
| Design Twitter | Medium |
| Maximum Profit in Job Scheduling | Hard |
| Two Sum | Easy |
| Sliding Window Maximum | Hard |
| Basic Calculator | Hard |
| Word Break | Medium |
| Meeting Rooms | Easy |
| Valid Parentheses | Easy |
| Basic Calculator II | Medium |
| Reconstruct Itinerary | Hard |
| Koko Eating Bananas | Medium |
| Longest Palindromic Substring | Medium |
| Remove Zero Sum Consecutive Nodes from Linked List | Medium |
Unique to Palo Alto Networks (21)
Problems in Palo Alto Networks's list that do not appear at Uber.
| Problem | Difficulty |
|---|---|
| Find the Longest Equal Subarray | Medium |
| Logger Rate Limiter | Easy |
| String Compression | Medium |
| Design HashMap | Easy |
| Decode String | Medium |
| Minimum Number of Food Buckets to Feed the Hamsters | Medium |
| Binary Tree Level Order Traversal | Medium |
| Merge Sorted Array | Easy |
| Restore IP Addresses | Medium |
| Integer to Roman | Medium |
| Linked List Cycle | Easy |
| Diameter of Binary Tree | Easy |
Unique to Uber (337)
Problems in Uber's list that do not appear at Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| Bus Routes | Hard |
| Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit | Medium |
| Alien Dictionary | Hard |
| Number of Islands | Medium |
| Number of Islands II | Hard |
| Squares of a Sorted Array | Easy |
| Construct Quad Tree | Medium |
| Kth Smallest Element in a BST | Medium |
| First Unique Number | Medium |
| Find the Closest Palindrome | Hard |
| Word Search | Medium |
| Design Hit Counter | Medium |
Frequently Asked Questions
How many LeetCode questions do Palo Alto Networks and Uber share?
Palo Alto Networks and Uber share 25 LeetCode interview questions. 21 problems appear only in Palo Alto Networks's list and 337 appear only in Uber's list.
What topics overlap most between Palo Alto Networks and Uber?
The most common shared topics between Palo Alto Networks and Uber are Array (15 shared questions), Hash Table (10 shared questions), String (10 shared questions), Sorting (6 shared questions), Linked List (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Palo Alto Networks or Uber?
Palo Alto Networks has 12 Easy, 29 Medium, and 5 Hard questions. Uber has 45 Easy, 215 Medium, and 102 Hard questions. Uber has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Palo Alto Networks and Uber?
Start with the 25 shared problems since they cover what both companies ask most often. Then add 20 Palo Alto Networks-specific and 20 Uber-specific questions to round out your prep.