Arista Networks vs Deloitte Interview Questions
Arista Networks lists 39 LeetCode interview questions while Deloitte lists 43. They share 5 problems — 13% of Arista Networks's bank and 12% of Deloitte's. Focus on the overlap first, then drill into 34 Arista Networks-only and 38 Deloitte-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 Arista Networks and Deloitte.
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 Deloitte-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Deloitte 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 Arista Networks and Deloitte.
| Problem | Difficulty |
|---|---|
| Longest Palindromic Substring | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Edit Distance | Medium |
| Valid Palindrome | Easy |
Unique to Arista Networks (34)
Problems in Arista Networks's list that do not appear at Deloitte.
| Problem | Difficulty |
|---|---|
| Construct String With Repeat Limit | Medium |
| Find the Town Judge | Easy |
| Reverse Nodes in k-Group | Hard |
| Restore IP Addresses | Medium |
| Reorder List | Medium |
| Course Schedule II | 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 |
Unique to Deloitte (38)
Problems in Deloitte's list that do not appear at Arista Networks.
| Problem | Difficulty |
|---|---|
| Merge k Sorted Lists | Hard |
| Two Sum | Easy |
| Change Null Values in a Table to the Previous Value | Medium |
| Second Highest Salary | Medium |
| Valid Parentheses | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
| Container With Most Water | Medium |
| Palindrome Number | Easy |
| Climbing Stairs | Easy |
| Add Binary | Easy |
| Managers with at Least 5 Direct Reports | Medium |
Frequently Asked Questions
How many LeetCode questions do Arista Networks and Deloitte share?
Arista Networks and Deloitte share 5 LeetCode interview questions. 34 problems appear only in Arista Networks's list and 38 appear only in Deloitte's list.
What topics overlap most between Arista Networks and Deloitte?
The most common shared topics between Arista Networks and Deloitte are String (4 shared questions), Dynamic Programming (3 shared questions), Two Pointers (2 shared questions), Hash Table (1 shared questions), Sliding Window (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Arista Networks or Deloitte?
Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Deloitte has 17 Easy, 23 Medium, and 3 Hard questions. Deloitte has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Arista Networks and Deloitte?
Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Arista Networks-specific and 20 Deloitte-specific questions to round out your prep.