Snap vs TikTok Interview Questions
Snap lists 84 LeetCode interview questions while TikTok lists 351. They share 50 problems — 60% of Snap's bank and 14% of TikTok's. Focus on the overlap first, then drill into 34 Snap-only and 301 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 50 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Snap and TikTok.
Step 2 — Company-specific depth: Add Snap-specific problems like Design Log Storage System, Bricks Falling When Hit, Closest Binary Search Tree Value and TikTok-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
50 Shared Questions
High-priority problems to practice for both Snap and TikTok.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Meeting Rooms II | Medium |
| Number of Islands | Medium |
| Word Ladder | Hard |
| Minimum Window Substring | Hard |
| 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 |
| Alien Dictionary | Hard |
| Remove K Digits | Medium |
| Frog Jump | Hard |
| Valid Sudoku | Medium |
| Combination Sum II | Medium |
| String Compression | Medium |
| Reverse Linked List | Easy |
| Unique Binary Search Trees | Medium |
| Combination Sum IV | Medium |
| Top K Frequent Elements | Medium |
| Course Schedule II | Medium |
| Decode Ways | Medium |
| Best Time to Buy and Sell Stock III | Hard |
| Basic Calculator III | Hard |
| Evaluate Division | Medium |
| Shortest Path in a Grid with Obstacles Elimination | Hard |
| Course Schedule | Medium |
| Merge Intervals | Medium |
Showing top 30 of 50 shared problems.
Unique to Snap (34)
Problems in Snap's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Design Log Storage System | Medium |
| Bricks Falling When Hit | Hard |
| Closest Binary Search Tree Value | Easy |
| Word Abbreviation | Hard |
| Min Stack | Medium |
| One Edit Distance | Medium |
| Game of Life | Medium |
| Sudoku Solver | Hard |
| Wildcard Matching | Hard |
| Ternary Expression Parser | Medium |
| Burst Balloons | Hard |
| Binary Tree Vertical Order Traversal | Medium |
Unique to TikTok (301)
Problems in TikTok's list that do not appear at Snap.
| Problem | Difficulty |
|---|---|
| Longest Increasing Subsequence | Medium |
| Trapping Rain Water | Hard |
| Subarray With Elements Greater Than Varying Threshold | Hard |
| Text Justification | Hard |
| Decode String | Medium |
| Longest Palindromic Substring | Medium |
| N-Queens | Hard |
| Subarray Sum Equals K | Medium |
| 3Sum | Medium |
| Minimum Swaps to Group All 1's Together | Medium |
| Sqrt(x) | Easy |
| Coin Change | Medium |
Frequently Asked Questions
How many LeetCode questions do Snap and TikTok share?
Snap and TikTok share 50 LeetCode interview questions. 34 problems appear only in Snap's list and 301 appear only in TikTok's list.
What topics overlap most between Snap and TikTok?
The most common shared topics between Snap and TikTok are Array (17 shared questions), String (11 shared questions), Breadth-First Search (10 shared questions), Hash Table (8 shared questions), Depth-First Search (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Snap or TikTok?
Snap has 5 Easy, 52 Medium, and 27 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. Snap has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Snap and TikTok?
Start with the 50 shared problems since they cover what both companies ask most often. Then add 20 Snap-specific and 20 TikTok-specific questions to round out your prep.