Deloitte vs Palo Alto Networks Interview Questions
Deloitte lists 43 LeetCode interview questions while Palo Alto Networks lists 46. They share 8 problems — 19% of Deloitte's bank and 17% of Palo Alto Networks's. Focus on the overlap first, then drill into 35 Deloitte-only and 38 Palo Alto Networks-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 8 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Deloitte and Palo Alto Networks.
Step 2 — Company-specific depth: Add Deloitte-specific problems like Merge k Sorted Lists, Change Null Values in a Table to the Previous Value, Second Highest Salary and Palo Alto Networks-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Palo Alto Networks skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
8 Shared Questions
High-priority problems to practice for both Deloitte and Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Longest Palindromic Substring | Medium |
| Longest Common Prefix | Easy |
| Merge Intervals | Medium |
| Group Anagrams | Medium |
| Subarray Sum Equals K | Medium |
Unique to Deloitte (35)
Problems in Deloitte's list that do not appear at Palo Alto Networks.
Unique to Palo Alto Networks (38)
Problems in Palo Alto Networks's list that do not appear at Deloitte.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Find the Longest Equal Subarray | Medium |
| Logger Rate Limiter | Easy |
| String Compression | Medium |
| Add Two Numbers | Medium |
| Design HashMap | Easy |
| Search in Rotated Sorted Array | Medium |
| 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 |
Frequently Asked Questions
How many LeetCode questions do Deloitte and Palo Alto Networks share?
Deloitte and Palo Alto Networks share 8 LeetCode interview questions. 35 problems appear only in Deloitte's list and 38 appear only in Palo Alto Networks's list.
What topics overlap most between Deloitte and Palo Alto Networks?
The most common shared topics between Deloitte and Palo Alto Networks are Array (5 shared questions), String (5 shared questions), Hash Table (4 shared questions), Sorting (2 shared questions), Stack (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Deloitte or Palo Alto Networks?
Deloitte has 17 Easy, 23 Medium, and 3 Hard questions. Palo Alto Networks has 12 Easy, 29 Medium, and 5 Hard questions. Palo Alto Networks has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Deloitte and Palo Alto Networks?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 Deloitte-specific and 20 Palo Alto Networks-specific questions to round out your prep.