Arista Networks vs Epam Systems Interview Questions
Arista Networks lists 39 LeetCode interview questions while Epam Systems lists 46. They share 7 problems — 18% of Arista Networks's bank and 15% of Epam Systems's. Focus on the overlap first, then drill into 32 Arista Networks-only and 39 Epam Systems-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 7 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Arista Networks and Epam Systems.
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 Epam Systems-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Epam Systems skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
7 Shared Questions
High-priority problems to practice for both Arista Networks and Epam Systems.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Palindromic Substring | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Top K Frequent Elements | Medium |
| Edit Distance | Medium |
| Merge Two Sorted Lists | Easy |
Unique to Arista Networks (32)
Problems in Arista Networks's list that do not appear at Epam Systems.
| 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 Epam Systems (39)
Problems in Epam Systems's list that do not appear at Arista Networks.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Minimum Operations to Make a Uni-Value Grid | Medium |
| Valid Parentheses | Easy |
| Move Zeroes | Easy |
| Longest Common Prefix | Easy |
| Merge Sorted Array | Easy |
| Valid Anagram | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| Rotate Array | Medium |
| Reverse String | Easy |
| House Robber | Medium |
Frequently Asked Questions
How many LeetCode questions do Arista Networks and Epam Systems share?
Arista Networks and Epam Systems share 7 LeetCode interview questions. 32 problems appear only in Arista Networks's list and 39 appear only in Epam Systems's list.
What topics overlap most between Arista Networks and Epam Systems?
The most common shared topics between Arista Networks and Epam Systems are Hash Table (3 shared questions), String (3 shared questions), Dynamic Programming (3 shared questions), Linked List (2 shared questions), Array (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Arista Networks or Epam Systems?
Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Epam Systems has 16 Easy, 27 Medium, and 3 Hard questions. Epam Systems has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Arista Networks and Epam Systems?
Start with the 7 shared problems since they cover what both companies ask most often. Then add 20 Arista Networks-specific and 20 Epam Systems-specific questions to round out your prep.