Snapchat vs Twitter Interview Questions
Snapchat lists 99 LeetCode interview questions while Twitter lists 53. They share 10 problems — 10% of Snapchat's bank and 19% of Twitter's. Focus on the overlap first, then drill into 89 Snapchat-only and 43 Twitter-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Snapchat and Twitter.
Step 2 — Company-specific depth: Add Snapchat-specific problems like Meeting Rooms II, Valid Sudoku, Sudoku Solver and Twitter-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
10 Shared Questions
High-priority problems to practice for both Snapchat and Twitter.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Wildcard Matching | Hard |
| Word Break II | Hard |
| One Edit Distance | Medium |
| Reverse Linked List | Easy |
| Alien Dictionary | Hard |
| Merge Intervals | Medium |
| Best Meeting Point | Hard |
| Insert Delete GetRandom O(1) | Medium |
| Random Pick with Weight | Medium |
Unique to Snapchat (89)
Problems in Snapchat's list that do not appear at Twitter.
| Problem | Difficulty |
|---|---|
| Meeting Rooms II | Medium |
| Valid Sudoku | Medium |
| Sudoku Solver | Hard |
| Combination Sum | Medium |
| Combination Sum II | Medium |
| Minimum Window Substring | Hard |
| Unique Binary Search Trees | Medium |
| Word Ladder | Hard |
| Reverse Words in a String | Medium |
| Min Stack | Medium |
| Number of Islands | Medium |
| Basic Calculator II | Medium |
Unique to Twitter (43)
Problems in Twitter's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Regular Expression Matching | Hard |
| Integer to Roman | Medium |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Trapping Rain Water | Hard |
| Multiply Strings | Medium |
| Permutation Sequence | Hard |
| Pascal's Triangle | Easy |
| Time Needed to Buy Tickets | Easy |
| Max Points on a Line | Hard |
| Happy Number | Easy |
| Implement Trie (Prefix Tree) | Medium |
Frequently Asked Questions
How many LeetCode questions do Snapchat and Twitter share?
Snapchat and Twitter share 10 LeetCode interview questions. 89 problems appear only in Snapchat's list and 43 appear only in Twitter's list.
What topics overlap most between Snapchat and Twitter?
The most common shared topics between Snapchat and Twitter are Array (4 shared questions), Hash Table (3 shared questions), Linked List (2 shared questions), Design (2 shared questions), String (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Snapchat or Twitter?
Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. Twitter has 8 Easy, 33 Medium, and 12 Hard questions. Snapchat has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Snapchat and Twitter?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 20 Snapchat-specific and 20 Twitter-specific questions to round out your prep.