Amazon vs Snapchat Interview Questions
Amazon lists 1,968 LeetCode interview questions while Snapchat lists 99. They share 90 problems — 5% of Amazon's bank and 91% of Snapchat's. Focus on the overlap first, then drill into 1,878 Amazon-only and 9 Snapchat-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 90 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Amazon and Snapchat.
Step 2 — Company-specific depth: Add Amazon-specific problems like Two Sum, Trapping Rain Water, Add Two Numbers 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
90 Shared Questions
High-priority problems to practice for both Amazon and Snapchat.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Group Anagrams | Medium |
| Merge Intervals | Medium |
| Median of Two Sorted Arrays | Hard |
| Koko Eating Bananas | Medium |
| Course Schedule | Medium |
| Search in Rotated Sorted Array | Medium |
| Top K Frequent Elements | Medium |
| Word Ladder | Hard |
| Product of Array Except Self | Medium |
| Letter Combinations of a Phone Number | Medium |
| Course Schedule II | Medium |
| Word Search | Medium |
| Task Scheduler | Medium |
| Meeting Rooms II | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Min Stack | Medium |
| Minimum Window Substring | Hard |
| Binary Tree Maximum Path Sum | Hard |
| Valid Sudoku | Medium |
| Reverse Linked List | Easy |
| LFU Cache | Hard |
| Word Search II | Hard |
| String Compression | Medium |
| Combination Sum | Medium |
| Reorder List | Medium |
| Basic Calculator | Hard |
Showing top 30 of 90 shared problems.
Unique to Amazon (1,878)
Problems in Amazon's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Trapping Rain Water | Hard |
| Add Two Numbers | Medium |
| Reorganize String | Medium |
| 3Sum | Medium |
| Longest Palindromic Substring | Medium |
| Container With Most Water | Medium |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Longest Common Prefix | Easy |
| Rotting Oranges | Medium |
| Subarray Sum Equals K | Medium |
Unique to Snapchat (9)
Problems in Snapchat's list that do not appear at Amazon.
| Problem | Difficulty |
|---|---|
| One Edit Distance | Medium |
| Closest Binary Search Tree Value | Easy |
| Ternary Expression Parser | Medium |
| Largest Merge Of Two Strings | Medium |
| Least Operators to Express Number | Hard |
| Bricks Falling When Hit | Hard |
| Minimum Area Rectangle | Medium |
| Minimum Time to Complete All Tasks | Hard |
| UTF-8 Validation | Medium |
Frequently Asked Questions
How many LeetCode questions do Amazon and Snapchat share?
Amazon and Snapchat share 90 LeetCode interview questions. 1878 problems appear only in Amazon's list and 9 appear only in Snapchat's list.
What topics overlap most between Amazon and Snapchat?
The most common shared topics between Amazon and Snapchat are Array (16 shared questions), Hash Table (11 shared questions), String (9 shared questions), Depth-First Search (5 shared questions), Sorting (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Amazon or Snapchat?
Amazon has 527 Easy, 1074 Medium, and 367 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 Amazon and Snapchat?
Start with the 90 shared problems since they cover what both companies ask most often. Then add 20 Amazon-specific and 9 Snapchat-specific questions to round out your prep.