Apple vs Snapchat Interview Questions
Apple lists 300 LeetCode interview questions while Snapchat lists 99. They share 55 problems — 18% of Apple's bank and 56% of Snapchat's. Focus on the overlap first, then drill into 245 Apple-only and 44 Snapchat-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 55 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Apple and Snapchat.
Step 2 — Company-specific depth: Add Apple-specific problems like Two Sum, Design Hit Counter, Longest Common Prefix and Snapchat-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Snapchat skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
55 Shared Questions
High-priority problems to practice for both Apple and Snapchat.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock | Easy |
| 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 |
| Reverse Words in a String | Medium |
| Meeting Rooms II | Medium |
| Median of Two Sorted Arrays | Hard |
| Snapshot Array | Medium |
| Word Ladder | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Basic Calculator II | Medium |
| Min Stack | Medium |
| Search a 2D Matrix II | Medium |
| String Compression | Medium |
| Task Scheduler | Medium |
| Letter Combinations of a Phone Number | Medium |
| Search in Rotated Sorted Array | Medium |
| Edit Distance | Medium |
| Cheapest Flights Within K Stops | Medium |
| LFU Cache | Hard |
| Word Search | Medium |
| Binary Tree Vertical Order Traversal | Medium |
Showing top 30 of 55 shared problems.
Unique to Apple (245)
Problems in Apple's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Design Hit Counter | Medium |
| Longest Common Prefix | Easy |
| Rotate Array | Medium |
| Valid Parentheses | Easy |
| Valid Palindrome | Easy |
| Rotate Image | Medium |
| Kth Largest Element in an Array | Medium |
| Spiral Matrix | Medium |
| Best Time to Buy and Sell Stock II | Medium |
| Maximum Subarray | Medium |
| Reverse Integer | Medium |
Unique to Snapchat (44)
Problems in Snapchat's list that do not appear at Apple.
| Problem | Difficulty |
|---|---|
| Combination Sum II | Medium |
| Wildcard Matching | Hard |
| Unique Binary Search Trees | Medium |
| Word Break II | Hard |
| Closest Binary Search Tree Value | Easy |
| Game of Life | Medium |
| Burst Balloons | Hard |
| Combination Sum IV | Medium |
| Remove K Digits | Medium |
| Frog Jump | Hard |
| Ternary Expression Parser | Medium |
| Word Abbreviation | Hard |
Frequently Asked Questions
How many LeetCode questions do Apple and Snapchat share?
Apple and Snapchat share 55 LeetCode interview questions. 245 problems appear only in Apple's list and 44 appear only in Snapchat's list.
What topics overlap most between Apple and Snapchat?
The most common shared topics between Apple and Snapchat are Array (15 shared questions), Hash Table (12 shared questions), String (9 shared questions), Depth-First Search (6 shared questions), Breadth-First Search (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Apple or Snapchat?
Apple has 76 Easy, 178 Medium, and 46 Hard questions. Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. Snapchat has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Apple and Snapchat?
Start with the 55 shared problems since they cover what both companies ask most often. Then add 20 Apple-specific and 20 Snapchat-specific questions to round out your prep.