Grammarly vs Palo Alto Networks Interview Questions
Grammarly lists 30 LeetCode interview questions while Palo Alto Networks lists 46. They share 5 problems — 17% of Grammarly's bank and 11% of Palo Alto Networks's. Focus on the overlap first, then drill into 25 Grammarly-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 Grammarly and Palo Alto Networks.
Step 2 — Company-specific depth: Add Grammarly-specific problems like Remove All Adjacent Duplicates In String, Vowel Spellchecker, Remove All Adjacent Duplicates in String II and Palo Alto Networks-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Grammarly 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 Grammarly and Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Search in Rotated Sorted Array | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Logger Rate Limiter | Easy |
| Word Break | Medium |
Unique to Grammarly (25)
Problems in Grammarly's list that do not appear at Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| Remove All Adjacent Duplicates In String | Easy |
| Vowel Spellchecker | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Climbing Stairs | Easy |
| Repeated DNA Sequences | Medium |
| Sqrt(x) | Easy |
| Generate Parentheses | Medium |
| Perfect Number | Easy |
| Sum of Left Leaves | Easy |
| Non-overlapping Intervals | Medium |
| Search Insert Position | Easy |
| Two Best Non-Overlapping Events | Medium |
Unique to Palo Alto Networks (41)
Problems in Palo Alto Networks's list that do not appear at Grammarly.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Find the Longest Equal Subarray | Medium |
| String Compression | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Add Two Numbers | Medium |
| Design HashMap | Easy |
| 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 |
| Merge Sorted Array | Easy |
Frequently Asked Questions
How many LeetCode questions do Grammarly and Palo Alto Networks share?
Grammarly and Palo Alto Networks share 5 LeetCode interview questions. 25 problems appear only in Grammarly's list and 41 appear only in Palo Alto Networks's list.
What topics overlap most between Grammarly and Palo Alto Networks?
The most common shared topics between Grammarly and Palo Alto Networks are Array (4 shared questions), Hash Table (3 shared questions), Design (2 shared questions), Sorting (1 shared questions), Binary Search (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Grammarly or Palo Alto Networks?
Grammarly has 7 Easy, 19 Medium, and 4 Hard questions. Palo Alto Networks has 12 Easy, 29 Medium, and 5 Hard questions. Grammarly has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Grammarly and Palo Alto Networks?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Grammarly-specific and 20 Palo Alto Networks-specific questions to round out your prep.