Snap vs X Interview Questions
Snap lists 84 LeetCode interview questions while X lists 51. They share 9 problems — 11% of Snap's bank and 18% of X's. Focus on the overlap first, then drill into 75 Snap-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 Snap and X.
Step 2 — Company-specific depth: Add Snap-specific problems like Meeting Rooms II, Number of Islands, Word Ladder and X-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
9 Shared Questions
High-priority problems to practice for both Snap and X.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Word Break II | Hard |
| Alien Dictionary | Hard |
| One Edit Distance | Medium |
| Wildcard Matching | Hard |
| Reverse Linked List | Easy |
| Best Meeting Point | Hard |
| Merge Intervals | Medium |
| Merge k Sorted Lists | Hard |
Unique to Snap (75)
Problems in Snap's list that do not appear at X.
| Problem | Difficulty |
|---|---|
| Meeting Rooms II | Medium |
| Number of Islands | Medium |
| Word Ladder | Hard |
| Minimum Window Substring | Hard |
| Design Log Storage System | Medium |
| Making A Large Island | Hard |
| Number of Distinct Islands | Medium |
| Bus Routes | Hard |
| Basic Calculator II | Medium |
| Combination Sum | Medium |
| Reverse Words in a String | Medium |
| Bricks Falling When Hit | Hard |
Unique to X (42)
Problems in X's list that do not appear at Snap.
| Problem | Difficulty |
|---|---|
| Trapping Rain Water | Hard |
| Tweet Counts Per Frequency | Medium |
| Flatten Nested List Iterator | Medium |
| Implement Trie (Prefix Tree) | Medium |
| Insert Delete GetRandom O(1) | 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 |
Frequently Asked Questions
How many LeetCode questions do Snap and X share?
Snap and X share 9 LeetCode interview questions. 75 problems appear only in Snap's list and 42 appear only in X's list.
What topics overlap most between Snap and X?
The most common shared topics between Snap and X are Array (4 shared questions), String (4 shared questions), Linked List (3 shared questions), Hash Table (2 shared questions), Dynamic Programming (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Snap or X?
Snap has 5 Easy, 52 Medium, and 27 Hard questions. X has 8 Easy, 31 Medium, and 12 Hard questions. Snap has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Snap and X?
Start with the 9 shared problems since they cover what both companies ask most often. Then add 20 Snap-specific and 20 X-specific questions to round out your prep.