Snapchat vs X Interview Questions
Snapchat lists 99 LeetCode interview questions while X lists 51. They share 9 problems — 9% of Snapchat's bank and 18% of X's. Focus on the overlap first, then drill into 90 Snapchat-only and 42 X-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 9 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Snapchat and X.
Step 2 — Company-specific depth: Add Snapchat-specific problems like Meeting Rooms II, Valid Sudoku, Sudoku Solver and X-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
9 Shared Questions
High-priority problems to practice for both Snapchat and X.
| 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 |
Unique to Snapchat (90)
Problems in Snapchat's list that do not appear at X.
| 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 X (42)
Problems in X's list that do not appear at Snapchat.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Tweet Counts Per Frequency | Medium |
| Flatten Nested List Iterator | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Design Twitter | Medium |
| Binary Gap | Easy |
| Regular Expression Matching | Hard |
| Integer to Roman | Medium |
| Time Needed to Buy Tickets | Easy |
| Valid Parentheses | Easy |
| Max Points on a Line | Hard |
| Merge k Sorted Lists | Hard |
Frequently Asked Questions
How many LeetCode questions do Snapchat and X share?
Snapchat and X share 9 LeetCode interview questions. 90 problems appear only in Snapchat's list and 42 appear only in X's list.
What topics overlap most between Snapchat and X?
The most common shared topics between Snapchat and X are Hash Table (3 shared questions), Array (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 X?
Snapchat has 6 Easy, 62 Medium, and 31 Hard questions. X has 8 Easy, 31 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 X?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 Snapchat-specific and 20 X-specific questions to round out your prep.