Arista Networks vs Coupang Interview Questions
Arista Networks lists 39 LeetCode interview questions while Coupang lists 49. They share 4 problems — 10% of Arista Networks's bank and 8% of Coupang's. Focus on the overlap first, then drill into 35 Arista Networks-only and 45 Coupang-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Arista Networks and Coupang.
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 Coupang-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Coupang skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both Arista Networks and Coupang.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Word Break | Medium |
| Decode String | Medium |
Unique to Arista Networks (35)
Problems in Arista Networks's list that do not appear at Coupang.
| 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 Coupang (45)
Problems in Coupang's list that do not appear at Arista Networks.
| Problem | Difficulty |
|---|---|
| Subsets | Medium |
| LFU Cache | Hard |
| Longest Substring with At Most K Distinct Characters | Medium |
| Split BST | Medium |
| Range Module | Hard |
| Find Pivot Index | Easy |
| Course Schedule | Medium |
| Design In-Memory File System | Hard |
| Unique Paths II | Medium |
| Design Twitter | Medium |
| Shopping Offers | Medium |
| Longest Repeating Substring | Medium |
Frequently Asked Questions
How many LeetCode questions do Arista Networks and Coupang share?
Arista Networks and Coupang share 4 LeetCode interview questions. 35 problems appear only in Arista Networks's list and 45 appear only in Coupang's list.
What topics overlap most between Arista Networks and Coupang?
The most common shared topics between Arista Networks and Coupang are Hash Table (3 shared questions), String (3 shared questions), Linked List (1 shared questions), Design (1 shared questions), Doubly-Linked List (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Arista Networks or Coupang?
Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Coupang has 2 Easy, 33 Medium, and 14 Hard questions. Coupang has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Arista Networks and Coupang?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 Arista Networks-specific and 20 Coupang-specific questions to round out your prep.