Snap vs Snapchat Interview Questions
Snap lists 84 LeetCode interview questions while Snapchat lists 99. They share 80 problems — 95% of Snap's bank and 81% of Snapchat's. Focus on the overlap first, then drill into 4 Snap-only and 19 Snapchat-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 80 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Snap and Snapchat.
Step 2 — Company-specific depth: Add Snap-specific problems like Merge k Sorted Lists, Design Hit Counter, Most Stones Removed with Same Row or Column and Snapchat-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Snap skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
80 Shared Questions
High-priority problems to practice for both Snap and Snapchat.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Meeting Rooms II | Medium |
| Number of Islands | Medium |
| Word Ladder | Hard |
| Minimum Window Substring | Hard |
| Design Log Storage System | Medium |
| Making A Large Island | Hard |
| Number of Distinct Islands | Medium |
| Bus Routes | Hard |
| Word Break II | Hard |
| Basic Calculator II | Medium |
| Combination Sum | Medium |
| Reverse Words in a String | Medium |
| Bricks Falling When Hit | Hard |
| Alien Dictionary | Hard |
| Closest Binary Search Tree Value | Easy |
| Word Abbreviation | Hard |
| Remove K Digits | Medium |
| Frog Jump | Hard |
| Min Stack | Medium |
| One Edit Distance | Medium |
| Game of Life | Medium |
| Valid Sudoku | Medium |
| Sudoku Solver | Hard |
| Combination Sum II | Medium |
| Wildcard Matching | Hard |
| Ternary Expression Parser | Medium |
| Burst Balloons | Hard |
| Binary Tree Vertical Order Traversal | Medium |
| String Compression | Medium |
Showing top 30 of 80 shared problems.
Unique to Snap (4)
Problems in Snap's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Merge k Sorted Lists | Hard |
| Design Hit Counter | Medium |
| Most Stones Removed with Same Row or Column | Medium |
| Fraction to Recurring Decimal | Medium |
Unique to Snapchat (19)
Problems in Snapchat's list that do not appear at Snap.
| Problem | Difficulty |
|---|---|
| Minimum Number of Keypresses | Medium |
| Median of Two Sorted Arrays | Hard |
| Search a 2D Matrix II | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Amount of Time for Binary Tree to Be Infected | Medium |
| Design a Text Editor | Hard |
| Minimum Time to Complete All Tasks | Hard |
| Edit Distance | Medium |
| Valid Arrangement of Pairs | Hard |
| Search Suggestions System | Medium |
| Accounts Merge | Medium |
| Score of Parentheses | Medium |
Frequently Asked Questions
How many LeetCode questions do Snap and Snapchat share?
Snap and Snapchat share 80 LeetCode interview questions. 4 problems appear only in Snap's list and 19 appear only in Snapchat's list.
What topics overlap most between Snap and Snapchat?
The most common shared topics between Snap and Snapchat are Array (16 shared questions), String (13 shared questions), Hash Table (10 shared questions), Breadth-First Search (7 shared questions), Matrix (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Snap or Snapchat?
Snap has 5 Easy, 52 Medium, and 27 Hard questions. Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. Snap has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Snap and Snapchat?
Start with the 80 shared problems since they cover what both companies ask most often. Then add 4 Snap-specific and 19 Snapchat-specific questions to round out your prep.