Arista Networks vs Samsung Interview Questions

Arista Networks lists 39 LeetCode interview questions while Samsung lists 65. They share 7 problems — 18% of Arista Networks's bank and 11% of Samsung's. Focus on the overlap first, then drill into 32 Arista Networks-only and 58 Samsung-only questions.

Overview

Arista Networks

39 questions

Easy 12Medium 26Hard 1
Samsung

65 questions

Easy 12Medium 36Hard 17

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 Samsung.

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 Samsung-specific problems from the exclusive lists below.

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

Difficulty Comparison

Easy
Arista Networks
12
Samsung
12
Medium
Arista Networks
26
Samsung
36
Hard
Arista Networks
1
Samsung
17

Top Shared Topics

7 Shared Questions

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

ProblemDifficulty
LRU CacheMedium
Search in Rotated Sorted ArrayMedium
PermutationsMedium
Longest Palindromic SubstringMedium
Word SearchMedium
Maximum SubarrayMedium
Edit DistanceMedium

Unique to Arista Networks (32)

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

ProblemDifficulty
Construct String With Repeat LimitMedium
Find the Town JudgeEasy
Reverse Nodes in k-GroupHard
Restore IP AddressesMedium
Reorder ListMedium
Course Schedule IIMedium
Reverse Linked List IIMedium
Remove Linked List ElementsEasy
Contains Duplicate IIEasy
Inorder Successor in BST IIMedium
Maximum Depth of Binary TreeEasy
Copy List with Random PointerMedium

Unique to Samsung (58)

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

ProblemDifficulty
Burst BalloonsHard
Number of IslandsMedium
Longest Increasing SubsequenceMedium
Vertical Order Traversal of a Binary TreeHard
Partition Array Into Two Arrays to Minimize Sum DifferenceHard
Minimum Cost of a Path With Special RoadsMedium
Minimize Deviation in ArrayHard
Number of Paths with Max ScoreHard
Count Prefix and Suffix Pairs IIHard
Mark Elements on Array by Performing QueriesMedium
Substring with Concatenation of All WordsHard
Guess Number Higher or LowerEasy

Frequently Asked Questions

How many LeetCode questions do Arista Networks and Samsung share?

Arista Networks and Samsung share 7 LeetCode interview questions. 32 problems appear only in Arista Networks's list and 58 appear only in Samsung's list.

What topics overlap most between Arista Networks and Samsung?

The most common shared topics between Arista Networks and Samsung are Array (4 shared questions), String (3 shared questions), Dynamic Programming (3 shared questions), Backtracking (2 shared questions), Hash Table (1 shared questions). Mastering these areas prepares you for both companies.

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

Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Samsung has 12 Easy, 36 Medium, and 17 Hard questions. Samsung has a higher proportion of Hard problems in its interview set.

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

Start with the 7 shared problems since they cover what both companies ask most often. Then add 20 Arista Networks-specific and 20 Samsung-specific questions to round out your prep.

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