Google vs Snap Interview Questions
Google lists 2,305 LeetCode interview questions while Snap lists 84. They share 80 problems — 3% of Google's bank and 95% of Snap's. Focus on the overlap first, then drill into 2,225 Google-only and 4 Snap-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 Google and Snap.
Step 2 — Company-specific depth: Add Google-specific problems like Two Sum, Add Two Numbers, Trapping Rain Water and Snap-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 Google and Snap.
| Problem | Difficulty |
|---|---|
| Longest Substring Without Repeating Characters | Medium |
| 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 |
| Merge k Sorted Lists | Hard |
| Binary Tree Maximum Path Sum | Hard |
| Reverse Words in a String | Medium |
| Sudoku Solver | Hard |
| Valid Sudoku | Medium |
| Combination Sum | Medium |
| Remove K Digits | Medium |
| Minimum Area Rectangle | Medium |
| Wildcard Matching | Hard |
| Random Pick with Weight | Medium |
| String Compression | Medium |
| Word Search | Medium |
| Minimum Window Substring | Hard |
Showing top 30 of 80 shared problems.
Unique to Google (2,225)
Problems in Google's list that do not appear at Snap.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Add Two Numbers | Medium |
| Trapping Rain Water | Hard |
| Median of Two Sorted Arrays | Hard |
| Longest Common Prefix | Easy |
| Palindrome Number | Easy |
| Merge Sorted Array | Easy |
| Best Time to Buy and Sell Stock | Easy |
| 3Sum | Medium |
| Create Hello World Function | Easy |
| Merge Strings Alternately | Easy |
| Longest Palindromic Substring | Medium |
Unique to Snap (4)
Problems in Snap's list that do not appear at Google.
| Problem | Difficulty |
|---|---|
| Design Log Storage System | Medium |
| Ternary Expression Parser | Medium |
| Largest Merge Of Two Strings | Medium |
| Least Operators to Express Number | Hard |
Frequently Asked Questions
How many LeetCode questions do Google and Snap share?
Google and Snap share 80 LeetCode interview questions. 2225 problems appear only in Google's list and 4 appear only in Snap's list.
What topics overlap most between Google and Snap?
The most common shared topics between Google and Snap are Array (14 shared questions), String (11 shared questions), Hash Table (9 shared questions), Sorting (5 shared questions), Math (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Google or Snap?
Google has 601 Easy, 1205 Medium, and 499 Hard questions. Snap has 5 Easy, 52 Medium, and 27 Hard questions. Snap has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Google and Snap?
Start with the 80 shared problems since they cover what both companies ask most often. Then add 20 Google-specific and 4 Snap-specific questions to round out your prep.