Arista Networks vs Microsoft Interview Questions
Arista Networks lists 39 LeetCode interview questions while Microsoft lists 192. They share 21 problems — 54% of Arista Networks's bank and 11% of Microsoft's. Focus on the overlap first, then drill into 18 Arista Networks-only and 171 Microsoft-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 21 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Arista Networks and Microsoft.
Step 2 — Company-specific depth: Add Arista Networks-specific problems like Construct String With Repeat Limit, Find the Town Judge, Reorder List and Microsoft-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Microsoft skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
21 Shared Questions
High-priority problems to practice for both Arista Networks and Microsoft.
| Problem | Difficulty |
|---|---|
| Reverse Nodes in k-Group | Hard |
| Restore IP Addresses | Medium |
| Course Schedule II | Medium |
| Reverse Linked List II | Medium |
| Contains Duplicate II | Easy |
| Maximum Depth of Binary Tree | Easy |
| Copy List with Random Pointer | Medium |
| Missing Number | Easy |
| LRU Cache | Medium |
| Search in Rotated Sorted Array | Medium |
| Simplify Path | Medium |
| Remove Duplicates from Sorted List II | Medium |
| Permutations | Medium |
| Longest Palindromic Substring | Medium |
| Word Search | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Swap Nodes in Pairs | Medium |
| Word Break | Medium |
| Edit Distance | Medium |
| Merge Two Sorted Lists | Easy |
Unique to Arista Networks (18)
Problems in Arista Networks's list that do not appear at Microsoft.
| Problem | Difficulty |
|---|---|
| Construct String With Repeat Limit | Medium |
| Find the Town Judge | Easy |
| Reorder List | Medium |
| Remove Linked List Elements | Easy |
| Inorder Successor in BST II | Medium |
| Rotated Digits | Medium |
| Maximum Units on a Truck | Easy |
| Merge In Between Linked Lists | Medium |
| Palindromic Substrings | Medium |
| Path Sum II | Medium |
| Remove All Occurrences of a Substring | Medium |
| Top K Frequent Elements | Medium |
Unique to Microsoft (171)
Problems in Microsoft's list that do not appear at Arista Networks.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Sorted Array | Easy |
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Single Element in a Sorted Array | Medium |
| Merge Intervals | Medium |
| Median of Two Sorted Arrays | Hard |
| Valid Parentheses | Easy |
| 3Sum | Medium |
| Group Anagrams | Medium |
| Roman to Integer | Easy |
| Spiral Matrix | Medium |
Frequently Asked Questions
How many LeetCode questions do Arista Networks and Microsoft share?
Arista Networks and Microsoft share 21 LeetCode interview questions. 18 problems appear only in Arista Networks's list and 171 appear only in Microsoft's list.
What topics overlap most between Arista Networks and Microsoft?
The most common shared topics between Arista Networks and Microsoft are Linked List (7 shared questions), String (7 shared questions), Array (7 shared questions), Hash Table (6 shared questions), Dynamic Programming (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Arista Networks or Microsoft?
Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Microsoft has 55 Easy, 109 Medium, and 28 Hard questions. Microsoft has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Arista Networks and Microsoft?
Start with the 21 shared problems since they cover what both companies ask most often. Then add 18 Arista Networks-specific and 20 Microsoft-specific questions to round out your prep.