Palo Alto Networks vs Yandex Interview Questions
Palo Alto Networks lists 46 LeetCode interview questions while Yandex lists 128. They share 22 problems — 48% of Palo Alto Networks's bank and 17% of Yandex's. Focus on the overlap first, then drill into 24 Palo Alto Networks-only and 106 Yandex-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 22 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Palo Alto Networks and Yandex.
Step 2 — Company-specific depth: Add Palo Alto Networks-specific problems like Find the Longest Equal Subarray, Logger Rate Limiter, Design HashMap and Yandex-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
22 Shared Questions
High-priority problems to practice for both Palo Alto Networks and Yandex.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| String Compression | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Add Two Numbers | Medium |
| Search in Rotated Sorted Array | Medium |
| Group Anagrams | Medium |
| Min Stack | Medium |
| Binary Tree Level Order Traversal | Medium |
| Merge Intervals | Medium |
| Merge Sorted Array | Easy |
| Median of Two Sorted Arrays | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Subarray Sum Equals K | Medium |
| Linked List Cycle | Easy |
| Two Sum | Easy |
| Merge Two Sorted Lists | Easy |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Basic Calculator II | Medium |
| Reconstruct Itinerary | Hard |
| Longest Palindromic Substring | Medium |
| Binary Tree Zigzag Level Order Traversal | Medium |
Unique to Palo Alto Networks (24)
Problems in Palo Alto Networks's list that do not appear at Yandex.
| Problem | Difficulty |
|---|---|
| Find the Longest Equal Subarray | Medium |
| Logger Rate Limiter | Easy |
| Design HashMap | Easy |
| Decode String | Medium |
| Minimum Number of Food Buckets to Feed the Hamsters | Medium |
| Restore IP Addresses | Medium |
| Top K Frequent Words | Medium |
| Integer to Roman | Medium |
| Longest Common Prefix | Easy |
| Design Twitter | Medium |
| Maximum Profit in Job Scheduling | Hard |
| Diameter of Binary Tree | Easy |
Unique to Yandex (106)
Problems in Yandex's list that do not appear at Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| Longest Subarray of 1's After Deleting One Element | Medium |
| Summary Ranges | Easy |
| Maximize Distance to Closest Person | Medium |
| Find K Closest Elements | Medium |
| Valid Palindrome II | Easy |
| Move Zeroes | Easy |
| One Edit Distance | Medium |
| Permutation in String | Medium |
| Isomorphic Strings | Easy |
| Line Reflection | Medium |
| Longest Strictly Increasing or Strictly Decreasing Subarray | Easy |
| Valid Palindrome | Easy |
Frequently Asked Questions
How many LeetCode questions do Palo Alto Networks and Yandex share?
Palo Alto Networks and Yandex share 22 LeetCode interview questions. 24 problems appear only in Palo Alto Networks's list and 106 appear only in Yandex's list.
What topics overlap most between Palo Alto Networks and Yandex?
The most common shared topics between Palo Alto Networks and Yandex are Array (10 shared questions), Hash Table (7 shared questions), String (7 shared questions), Linked List (4 shared questions), Two Pointers (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Palo Alto Networks or Yandex?
Palo Alto Networks has 12 Easy, 29 Medium, and 5 Hard questions. Yandex has 51 Easy, 67 Medium, and 10 Hard questions. Palo Alto Networks has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Palo Alto Networks and Yandex?
Start with the 22 shared problems since they cover what both companies ask most often. Then add 20 Palo Alto Networks-specific and 20 Yandex-specific questions to round out your prep.