Apple vs Samsung Interview Questions
Apple lists 300 LeetCode interview questions while Samsung lists 65. They share 33 problems — 11% of Apple's bank and 51% of Samsung's. Focus on the overlap first, then drill into 267 Apple-only and 32 Samsung-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 33 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Samsung.
Step 2 — Company-specific depth: Add Apple-specific problems like Design Hit Counter, Reverse Linked List, Valid Sudoku 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
Top Shared Topics
33 Shared Questions
High-priority problems to practice for both Apple and Samsung.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Valid Parentheses | Easy |
| Rotate Image | Medium |
| Maximum Subarray | Medium |
| Merge k Sorted Lists | Hard |
| Trapping Rain Water | Hard |
| Subarray Product Less Than K | Medium |
| Median of Two Sorted Arrays | Hard |
| Move Zeroes | Easy |
| Word Ladder | Hard |
| Merge Sorted Array | Easy |
| 3Sum | Medium |
| Longest Palindromic Substring | Medium |
| Generate Parentheses | Medium |
| Search in Rotated Sorted Array | Medium |
| Permutations | Medium |
| Coin Change | Medium |
| Edit Distance | Medium |
| Word Search | Medium |
| Rotting Oranges | Medium |
| Sort Colors | Medium |
| Exam Room | Medium |
| Find Peak Element | Medium |
| Intersection of Two Linked Lists | Easy |
Showing top 30 of 33 shared problems.
Unique to Apple (267)
Problems in Apple's list that do not appear at Samsung.
| Problem | Difficulty |
|---|---|
| Design Hit Counter | Medium |
| Reverse Linked List | Easy |
| Valid Sudoku | Medium |
| Group Anagrams | Medium |
| Top K Frequent Elements | Medium |
| Course Schedule II | Medium |
| Course Schedule | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Product of Array Except Self | Medium |
| Valid Palindrome | Easy |
| Reverse Words in a String | Medium |
| Kth Largest Element in an Array | Medium |
Unique to Samsung (32)
Problems in Samsung's list that do not appear at Apple.
Frequently Asked Questions
How many LeetCode questions do Apple and Samsung share?
Apple and Samsung share 33 LeetCode interview questions. 267 problems appear only in Apple's list and 32 appear only in Samsung's list.
What topics overlap most between Apple and Samsung?
The most common shared topics between Apple and Samsung are Array (21 shared questions), Two Pointers (8 shared questions), Dynamic Programming (7 shared questions), String (7 shared questions), Hash Table (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Samsung?
Apple has 76 Easy, 178 Medium, and 46 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 Apple and Samsung?
Start with the 33 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 20 Samsung-specific questions to round out your prep.