Palo Alto Networks vs TikTok Interview Questions
Palo Alto Networks lists 46 LeetCode interview questions while TikTok lists 351. They share 33 problems — 72% of Palo Alto Networks's bank and 9% of TikTok's. Focus on the overlap first, then drill into 13 Palo Alto Networks-only and 318 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 33 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Palo Alto Networks and TikTok.
Step 2 — Company-specific depth: Add Palo Alto Networks-specific problems like Find the Longest Equal Subarray, Logger Rate Limiter, Minimum Number of Food Buckets to Feed the Hamsters and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: TikTok skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
33 Shared Questions
High-priority problems to practice for both Palo Alto Networks and TikTok.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| String Compression | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Add Two Numbers | Medium |
| Design HashMap | Easy |
| Search in Rotated Sorted Array | Medium |
| Group Anagrams | Medium |
| Decode String | Medium |
| Merge Intervals | Medium |
| Median of Two Sorted Arrays | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Restore IP Addresses | Medium |
| Top K Frequent Words | Medium |
| Integer to Roman | Medium |
| Longest Common Prefix | Easy |
| Subarray Sum Equals K | Medium |
| Maximum Profit in Job Scheduling | Hard |
| Diameter of Binary Tree | Easy |
| Two Sum | Easy |
| Merge Two Sorted Lists | Easy |
| Sliding Window Maximum | Hard |
| Basic Calculator | Hard |
| Word Break | Medium |
| Meeting Rooms | Easy |
| Path Sum | Easy |
| Path Sum II | Medium |
| Valid Parentheses | Easy |
| Basic Calculator II | Medium |
| Multiply Strings | Medium |
| Reverse Linked List II | Medium |
Showing top 30 of 33 shared problems.
Unique to Palo Alto Networks (13)
Problems in Palo Alto Networks's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Find the Longest Equal Subarray | Medium |
| Logger Rate Limiter | Easy |
| Minimum Number of Food Buckets to Feed the Hamsters | Medium |
| Min Stack | Medium |
| Binary Tree Level Order Traversal | Medium |
| Merge Sorted Array | Easy |
| Linked List Cycle | Easy |
| Design Twitter | Medium |
| Invert Binary Tree | Easy |
| Advantage Shuffle | Medium |
| Reconstruct Itinerary | Hard |
| Maximum Length of a Concatenated String with Unique Characters | Medium |
Unique to TikTok (318)
Problems in TikTok's list that do not appear at Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Longest Increasing Subsequence | Medium |
| Number of Distinct Islands | Medium |
| Meeting Rooms II | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Trapping Rain Water | Hard |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| Word Search | Medium |
| N-Queens | Hard |
| Minimum Window Substring | Hard |
Frequently Asked Questions
How many LeetCode questions do Palo Alto Networks and TikTok share?
Palo Alto Networks and TikTok share 33 LeetCode interview questions. 13 problems appear only in Palo Alto Networks's list and 318 appear only in TikTok's list.
What topics overlap most between Palo Alto Networks and TikTok?
The most common shared topics between Palo Alto Networks and TikTok are Array (14 shared questions), String (13 shared questions), Hash Table (10 shared questions), Math (6 shared questions), Linked List (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Palo Alto Networks or TikTok?
Palo Alto Networks has 12 Easy, 29 Medium, and 5 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. TikTok has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Palo Alto Networks and TikTok?
Start with the 33 shared problems since they cover what both companies ask most often. Then add 13 Palo Alto Networks-specific and 20 TikTok-specific questions to round out your prep.