ByteDance vs Snapchat Interview Questions
ByteDance lists 64 LeetCode interview questions while Snapchat lists 99. They share 17 problems — 27% of ByteDance's bank and 17% of Snapchat's. Focus on the overlap first, then drill into 47 ByteDance-only and 82 Snapchat-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 17 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and Snapchat.
Step 2 — Company-specific depth: Add ByteDance-specific problems like Remove Duplicate Letters, Smallest Subsequence of Distinct Characters, First Day Where You Have Been in All the Rooms 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
17 Shared Questions
High-priority problems to practice for both ByteDance and Snapchat.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Number of Islands | Medium |
| Course Schedule | Medium |
| Combination Sum | Medium |
| Basic Calculator II | Medium |
| Merge Intervals | Medium |
| Top K Frequent Elements | Medium |
| Word Ladder | Hard |
| Search in Rotated Sorted Array | Medium |
| Combination Sum II | Medium |
| Basic Calculator | Hard |
| Best Time to Buy and Sell Stock | Easy |
| Accounts Merge | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Minimum Area Rectangle | Medium |
| Remove K Digits | Medium |
Unique to ByteDance (47)
Problems in ByteDance's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Remove Duplicate Letters | Medium |
| Smallest Subsequence of Distinct Characters | Medium |
| First Day Where You Have Been in All the Rooms | Medium |
| Shortest Bridge | Medium |
| House Robber | Medium |
| Maximal Square | Medium |
| Regular Expression Matching | Hard |
| Design Memory Allocator | Medium |
| Two Sum | Easy |
| Longest Increasing Subsequence | Medium |
| Trapping Rain Water | Hard |
| Rotting Oranges | Medium |
Unique to Snapchat (82)
Problems in Snapchat's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Meeting Rooms II | Medium |
| Valid Sudoku | Medium |
| Sudoku Solver | Hard |
| Wildcard Matching | Hard |
| Minimum Window Substring | Hard |
| Unique Binary Search Trees | Medium |
| Word Break II | Hard |
| Reverse Words in a String | Medium |
| Min Stack | Medium |
| One Edit Distance | Medium |
| Reverse Linked List | Easy |
| Alien Dictionary | Hard |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Snapchat share?
ByteDance and Snapchat share 17 LeetCode interview questions. 47 problems appear only in ByteDance's list and 82 appear only in Snapchat's list.
What topics overlap most between ByteDance and Snapchat?
The most common shared topics between ByteDance and Snapchat are Array (10 shared questions), Hash Table (7 shared questions), String (6 shared questions), Breadth-First Search (4 shared questions), Math (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Snapchat?
ByteDance has 4 Easy, 51 Medium, and 9 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 ByteDance and Snapchat?
Start with the 17 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 Snapchat-specific questions to round out your prep.