ByteDance vs Snap Interview Questions
ByteDance lists 64 LeetCode interview questions while Snap lists 84. They share 15 problems — 23% of ByteDance's bank and 18% of Snap's. Focus on the overlap first, then drill into 49 ByteDance-only and 69 Snap-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 15 overlapping problems first. These are the highest-yield questions for candidates interviewing at both ByteDance and Snap.
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 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
15 Shared Questions
High-priority problems to practice for both ByteDance and Snap.
| 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 |
| Longest Substring Without Repeating Characters | Medium |
| Minimum Area Rectangle | Medium |
| Remove K Digits | Medium |
| Merge k Sorted Lists | Hard |
Unique to ByteDance (49)
Problems in ByteDance's list that do not appear at Snap.
| 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 Snap (69)
Problems in Snap's list that do not appear at ByteDance.
| Problem | Difficulty |
|---|---|
| Meeting Rooms II | Medium |
| 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 |
| Reverse Words in a String | Medium |
| Bricks Falling When Hit | Hard |
| Alien Dictionary | Hard |
| Closest Binary Search Tree Value | Easy |
| Word Abbreviation | Hard |
Frequently Asked Questions
How many LeetCode questions do ByteDance and Snap share?
ByteDance and Snap share 15 LeetCode interview questions. 49 problems appear only in ByteDance's list and 69 appear only in Snap's list.
What topics overlap most between ByteDance and Snap?
The most common shared topics between ByteDance and Snap are Array (7 shared questions), Hash Table (5 shared questions), String (5 shared questions), Breadth-First Search (3 shared questions), Math (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: ByteDance or Snap?
ByteDance has 4 Easy, 51 Medium, and 9 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 ByteDance and Snap?
Start with the 15 shared problems since they cover what both companies ask most often. Then add 20 ByteDance-specific and 20 Snap-specific questions to round out your prep.