Arista Networks vs Yahoo Interview Questions

Arista Networks lists 39 LeetCode interview questions while Yahoo lists 34. They share 8 problems — 21% of Arista Networks's bank and 24% of Yahoo's. Focus on the overlap first, then drill into 31 Arista Networks-only and 26 Yahoo-only questions.

Overview

Arista Networks

39 questions

Easy 12Medium 26Hard 1
Yahoo

34 questions

Easy 11Medium 20Hard 3

Preparation Strategy

Step 1 — Shared core: Solve the 8 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Arista Networks and Yahoo.

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 Yahoo-specific problems from the exclusive lists below.

Step 3 — Difficulty tuning: Yahoo skews harder in our data. Budget extra time for Hard problems if you are targeting that company.

Difficulty Comparison

Easy
Arista Networks
12
Yahoo
11
Medium
Arista Networks
26
Yahoo
20
Hard
Arista Networks
1
Yahoo
3

Top Shared Topics

8 Shared Questions

High-priority problems to practice for both Arista Networks and Yahoo.

ProblemDifficulty
Restore IP AddressesMedium
Maximum Depth of Binary TreeEasy
LRU CacheMedium
Search in Rotated Sorted ArrayMedium
Word SearchMedium
Word BreakMedium
Top K Frequent ElementsMedium
Decode StringMedium

Unique to Arista Networks (31)

Problems in Arista Networks's list that do not appear at Yahoo.

ProblemDifficulty
Construct String With Repeat LimitMedium
Find the Town JudgeEasy
Reverse Nodes in k-GroupHard
Reorder ListMedium
Course Schedule IIMedium
Reverse Linked List IIMedium
Remove Linked List ElementsEasy
Contains Duplicate IIEasy
Inorder Successor in BST IIMedium
Copy List with Random PointerMedium
Missing NumberEasy
Rotated DigitsMedium

Unique to Yahoo (26)

Problems in Yahoo's list that do not appear at Arista Networks.

ProblemDifficulty
Two SumEasy
Reverse Linked ListEasy
Contains DuplicateEasy
Serialize and Deserialize Binary TreeHard
Largest Palindrome ProductHard
Median of Two Sorted ArraysHard
Roman to IntegerEasy
Linked List CycleEasy
Matrix Cells in Distance OrderEasy
Non-decreasing SubsequencesMedium
Maximum Distance in ArraysMedium
Binary Number with Alternating BitsEasy

Frequently Asked Questions

How many LeetCode questions do Arista Networks and Yahoo share?

Arista Networks and Yahoo share 8 LeetCode interview questions. 31 problems appear only in Arista Networks's list and 26 appear only in Yahoo's list.

What topics overlap most between Arista Networks and Yahoo?

The most common shared topics between Arista Networks and Yahoo are String (4 shared questions), Array (4 shared questions), Hash Table (3 shared questions), Backtracking (2 shared questions), Depth-First Search (2 shared questions). Mastering these areas prepares you for both companies.

Which company asks harder LeetCode questions: Arista Networks or Yahoo?

Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Yahoo has 11 Easy, 20 Medium, and 3 Hard questions. Yahoo has a higher proportion of Hard problems in its interview set.

How should I prepare if interviewing at both Arista Networks and Yahoo?

Start with the 8 shared problems since they cover what both companies ask most often. Then add 20 Arista Networks-specific and 20 Yahoo-specific questions to round out your prep.

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