Amazon vs Arista Networks Interview Questions
Amazon lists 1,968 LeetCode interview questions while Arista Networks lists 39. They share 37 problems — 2% of Amazon's bank and 95% of Arista Networks's. Focus on the overlap first, then drill into 1,931 Amazon-only and 2 Arista Networks-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 37 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Amazon and Arista Networks.
Step 2 — Company-specific depth: Add Amazon-specific problems like Two Sum, Trapping Rain Water, Number of Islands and Arista Networks-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Amazon skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
37 Shared Questions
High-priority problems to practice for both Amazon and Arista Networks.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Longest Palindromic Substring | Medium |
| Search in Rotated Sorted Array | Medium |
| Top K Frequent Elements | Medium |
| Maximum Subarray | Medium |
| Copy List with Random Pointer | Medium |
| Merge Two Sorted Lists | Easy |
| Course Schedule II | Medium |
| Word Search | Medium |
| Word Break | Medium |
| Reverse Nodes in k-Group | Hard |
| Missing Number | Easy |
| Permutations | Medium |
| Reorder List | Medium |
| Valid Palindrome | Easy |
| Edit Distance | Medium |
| Contains Duplicate II | Easy |
| Decode String | Medium |
| Maximum Depth of Binary Tree | Easy |
| Reverse Linked List II | Medium |
| Simplify Path | Medium |
| Kth Largest Element in a Stream | Easy |
| Swap Nodes in Pairs | Medium |
| Palindromic Substrings | Medium |
| Maximum Units on a Truck | Easy |
| Implement Queue using Stacks | Easy |
| Remove Linked List Elements | Easy |
| Count Negative Numbers in a Sorted Matrix | Easy |
| Path Sum II | Medium |
Showing top 30 of 37 shared problems.
Unique to Amazon (1,931)
Problems in Amazon's list that do not appear at Arista Networks.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Trapping Rain Water | Hard |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| Add Two Numbers | Medium |
| Reorganize String | Medium |
| 3Sum | Medium |
| Merge Intervals | Medium |
| Container With Most Water | Medium |
| Median of Two Sorted Arrays | Hard |
| Koko Eating Bananas | Medium |
Unique to Arista Networks (2)
Problems in Arista Networks's list that do not appear at Amazon.
| Problem | Difficulty |
|---|---|
| Construct String With Repeat Limit | Medium |
| Inorder Successor in BST II | Medium |
Frequently Asked Questions
How many LeetCode questions do Amazon and Arista Networks share?
Amazon and Arista Networks share 37 LeetCode interview questions. 1931 problems appear only in Amazon's list and 2 appear only in Arista Networks's list.
What topics overlap most between Amazon and Arista Networks?
The most common shared topics between Amazon and Arista Networks are Array (10 shared questions), String (9 shared questions), Linked List (8 shared questions), Hash Table (7 shared questions), Recursion (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Amazon or Arista Networks?
Amazon has 527 Easy, 1074 Medium, and 367 Hard questions. Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Amazon has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Amazon and Arista Networks?
Start with the 37 shared problems since they cover what both companies ask most often. Then add 20 Amazon-specific and 2 Arista Networks-specific questions to round out your prep.