Arista Networks vs Snapchat Interview Questions
Arista Networks lists 39 LeetCode interview questions while Snapchat lists 99. They share 8 problems — 21% of Arista Networks's bank and 8% of Snapchat's. Focus on the overlap first, then drill into 31 Arista Networks-only and 91 Snapchat-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 Arista Networks and Snapchat.
Step 2 — Company-specific depth: Add Arista Networks-specific problems like Construct String With Repeat Limit, Find the Town Judge, Reverse Nodes in k-Group and Snapchat-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Snapchat 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 Arista Networks and Snapchat.
| Problem | Difficulty |
|---|---|
| Reorder List | Medium |
| Course Schedule II | Medium |
| LRU Cache | Medium |
| Search in Rotated Sorted Array | Medium |
| Word Search | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Top K Frequent Elements | Medium |
| Edit Distance | Medium |
Unique to Arista Networks (31)
Problems in Arista Networks's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Construct String With Repeat Limit | Medium |
| Find the Town Judge | Easy |
| Reverse Nodes in k-Group | Hard |
| Restore IP Addresses | Medium |
| Reverse Linked List II | Medium |
| Remove Linked List Elements | Easy |
| Contains Duplicate II | Easy |
| Inorder Successor in BST II | Medium |
| Maximum Depth of Binary Tree | Easy |
| Copy List with Random Pointer | Medium |
| Missing Number | Easy |
| Rotated Digits | Medium |
Unique to Snapchat (91)
Problems in Snapchat's list that do not appear at Arista Networks.
| Problem | Difficulty |
|---|---|
| Meeting Rooms II | Medium |
| Valid Sudoku | Medium |
| Sudoku Solver | Hard |
| Combination Sum | Medium |
| Combination Sum II | Medium |
| Wildcard Matching | Hard |
| Minimum Window Substring | Hard |
| Unique Binary Search Trees | Medium |
| Word Ladder | Hard |
| Word Break II | Hard |
| Reverse Words in a String | Medium |
| Min Stack | Medium |
Frequently Asked Questions
How many LeetCode questions do Arista Networks and Snapchat share?
Arista Networks and Snapchat share 8 LeetCode interview questions. 31 problems appear only in Arista Networks's list and 91 appear only in Snapchat's list.
What topics overlap most between Arista Networks and Snapchat?
The most common shared topics between Arista Networks and Snapchat are Hash Table (3 shared questions), Array (3 shared questions), String (3 shared questions), Linked List (2 shared questions), Depth-First Search (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Arista Networks or Snapchat?
Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. Snapchat has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Arista Networks and Snapchat?
Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 Arista Networks-specific and 20 Snapchat-specific questions to round out your prep.