Google vs Snapchat Interview Questions
Google lists 2,305 LeetCode interview questions while Snapchat lists 99. They share 94 problems — 4% of Google's bank and 95% of Snapchat's. Focus on the overlap first, then drill into 2,211 Google-only and 5 Snapchat-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 94 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Google and Snapchat.
Step 2 — Company-specific depth: Add Google-specific problems like Two Sum, Add Two Numbers, Trapping Rain Water 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
94 Shared Questions
High-priority problems to practice for both Google and Snapchat.
| Problem | Difficulty |
|---|---|
| Median of Two Sorted Arrays | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Merge Intervals | Medium |
| Number of Islands | Medium |
| Meeting Rooms II | Medium |
| Reverse Linked List | Easy |
| Koko Eating Bananas | Medium |
| Search in Rotated Sorted Array | Medium |
| LRU Cache | Medium |
| Letter Combinations of a Phone Number | Medium |
| Top K Frequent Elements | Medium |
| Group Anagrams | Medium |
| Product of Array Except Self | Medium |
| Add Binary | Easy |
| Power of Two | Easy |
| Course Schedule | Medium |
| Basic Calculator | Hard |
| Min Stack | Medium |
| Binary Tree Maximum Path Sum | Hard |
| Reverse Words in a String | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Sudoku Solver | Hard |
| Valid Sudoku | Medium |
| Combination Sum | Medium |
| Edit Distance | Medium |
| Remove K Digits | Medium |
| Minimum Area Rectangle | Medium |
| Wildcard Matching | Hard |
| Random Pick with Weight | Medium |
Showing top 30 of 94 shared problems.
Unique to Google (2,211)
Problems in Google's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Longest Common Prefix | Easy |
| Palindrome Number | Easy |
| Merge Sorted Array | Easy |
| 3Sum | Medium |
| Create Hello World Function | Easy |
| Merge Strings Alternately | Easy |
| Longest Palindromic Substring | Medium |
| Longest Consecutive Sequence | Medium |
| Container With Most Water | Medium |
Unique to Snapchat (5)
Problems in Snapchat's list that do not appear at Google.
| Problem | Difficulty |
|---|---|
| Ternary Expression Parser | Medium |
| Design Log Storage System | Medium |
| Largest Merge Of Two Strings | Medium |
| Least Operators to Express Number | Hard |
| Minimum Number of Keypresses | Medium |
Frequently Asked Questions
How many LeetCode questions do Google and Snapchat share?
Google and Snapchat share 94 LeetCode interview questions. 2211 problems appear only in Google's list and 5 appear only in Snapchat's list.
What topics overlap most between Google and Snapchat?
The most common shared topics between Google and Snapchat are Array (16 shared questions), Hash Table (9 shared questions), String (9 shared questions), Math (6 shared questions), Sorting (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Google or Snapchat?
Google has 601 Easy, 1205 Medium, and 499 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 Google and Snapchat?
Start with the 94 shared problems since they cover what both companies ask most often. Then add 20 Google-specific and 5 Snapchat-specific questions to round out your prep.