Snapchat vs TikTok Interview Questions
Snapchat lists 99 LeetCode interview questions while TikTok lists 351. They share 60 problems — 61% of Snapchat's bank and 17% of TikTok's. Focus on the overlap first, then drill into 39 Snapchat-only and 291 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 60 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Snapchat and TikTok.
Step 2 — Company-specific depth: Add Snapchat-specific problems like Sudoku Solver, Wildcard Matching, Min Stack and TikTok-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
60 Shared Questions
High-priority problems to practice for both Snapchat and TikTok.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Meeting Rooms II | Medium |
| Valid Sudoku | Medium |
| Combination Sum | Medium |
| Combination Sum II | Medium |
| Minimum Window Substring | Hard |
| Unique Binary Search Trees | Medium |
| Word Ladder | Hard |
| Word Break II | Hard |
| Reverse Words in a String | Medium |
| Number of Islands | Medium |
| Reverse Linked List | Easy |
| Basic Calculator II | Medium |
| Alien Dictionary | Hard |
| Combination Sum IV | Medium |
| Remove K Digits | Medium |
| Frog Jump | Hard |
| String Compression | Medium |
| Making A Large Island | Hard |
| Bus Routes | Hard |
| Number of Distinct Islands | Medium |
| Course Schedule | Medium |
| Course Schedule II | Medium |
| Merge Intervals | Medium |
| Best Time to Buy and Sell Stock III | Hard |
| Top K Frequent Elements | Medium |
| Evaluate Division | Medium |
| Basic Calculator III | Hard |
| Decode Ways | Medium |
| Median of Two Sorted Arrays | Hard |
Showing top 30 of 60 shared problems.
Unique to Snapchat (39)
Problems in Snapchat's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Sudoku Solver | Hard |
| Wildcard Matching | Hard |
| Min Stack | Medium |
| One Edit Distance | Medium |
| Closest Binary Search Tree Value | Easy |
| Game of Life | Medium |
| Burst Balloons | Hard |
| Binary Tree Vertical Order Traversal | Medium |
| Ternary Expression Parser | Medium |
| Word Abbreviation | Hard |
| Design Log Storage System | Medium |
| Largest Merge Of Two Strings | Medium |
Unique to TikTok (291)
Problems in TikTok's list that do not appear at Snapchat.
| 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 Snapchat and TikTok share?
Snapchat and TikTok share 60 LeetCode interview questions. 39 problems appear only in Snapchat's list and 291 appear only in TikTok's list.
What topics overlap most between Snapchat and TikTok?
The most common shared topics between Snapchat and TikTok are Array (14 shared questions), String (9 shared questions), Hash Table (7 shared questions), Breadth-First Search (7 shared questions), Dynamic Programming (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Snapchat or TikTok?
Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. Snapchat has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Snapchat and TikTok?
Start with the 60 shared problems since they cover what both companies ask most often. Then add 20 Snapchat-specific and 20 TikTok-specific questions to round out your prep.