Arista Networks vs Infosys Interview Questions
Arista Networks lists 39 LeetCode interview questions while Infosys lists 105. They share 11 problems — 28% of Arista Networks's bank and 10% of Infosys's. Focus on the overlap first, then drill into 28 Arista Networks-only and 94 Infosys-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 11 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Arista Networks and Infosys.
Step 2 — Company-specific depth: Add Arista Networks-specific problems like Construct String With Repeat Limit, Find the Town Judge, Restore IP Addresses and Infosys-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Infosys skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
11 Shared Questions
High-priority problems to practice for both Arista Networks and Infosys.
| Problem | Difficulty |
|---|---|
| Reverse Nodes in k-Group | Hard |
| Maximum Depth of Binary Tree | Easy |
| Missing Number | Easy |
| Search in Rotated Sorted Array | Medium |
| Longest Palindromic Substring | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Edit Distance | Medium |
| Valid Palindrome | Easy |
| Implement Queue using Stacks | Easy |
| Merge Two Sorted Lists | Easy |
Unique to Arista Networks (28)
Problems in Arista Networks's list that do not appear at Infosys.
| Problem | Difficulty |
|---|---|
| Construct String With Repeat Limit | Medium |
| Find the Town Judge | Easy |
| 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 |
| Copy List with Random Pointer | Medium |
| LRU Cache | Medium |
| Rotated Digits | Medium |
Unique to Infosys (94)
Problems in Infosys's list that do not appear at Arista Networks.
Frequently Asked Questions
How many LeetCode questions do Arista Networks and Infosys share?
Arista Networks and Infosys share 11 LeetCode interview questions. 28 problems appear only in Arista Networks's list and 94 appear only in Infosys's list.
What topics overlap most between Arista Networks and Infosys?
The most common shared topics between Arista Networks and Infosys are String (4 shared questions), Array (3 shared questions), Dynamic Programming (3 shared questions), Linked List (2 shared questions), Recursion (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Arista Networks or Infosys?
Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Infosys has 32 Easy, 57 Medium, and 16 Hard questions. Infosys has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Arista Networks and Infosys?
Start with the 11 shared problems since they cover what both companies ask most often. Then add 20 Arista Networks-specific and 20 Infosys-specific questions to round out your prep.