Meta vs X Interview Questions
Meta lists 217 LeetCode interview questions while X lists 51. They share 16 problems — 7% of Meta's bank and 31% of X's. Focus on the overlap first, then drill into 201 Meta-only and 35 X-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 16 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Meta and X.
Step 2 — Company-specific depth: Add Meta-specific problems like Minimum Remove to Make Valid Parentheses, Valid Word Abbreviation, Binary Tree Vertical Order Traversal and X-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: X skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
16 Shared Questions
High-priority problems to practice for both Meta and X.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Merge k Sorted Lists | Hard |
| Valid Parentheses | Easy |
| LRU Cache | Medium |
| Trapping Rain Water | Hard |
| Multiply Strings | Medium |
| Regular Expression Matching | Hard |
| Kth Smallest Element in a Sorted Matrix | Medium |
| Lowest Common Ancestor of a Binary Search Tree | Medium |
| Word Break II | Hard |
| Alien Dictionary | Hard |
| Wildcard Matching | Hard |
| Reverse Linked List | Easy |
| Max Points on a Line | Hard |
| Pascal's Triangle | Easy |
| Integer to Roman | Medium |
Unique to Meta (201)
Problems in Meta's list that do not appear at X.
| Problem | Difficulty |
|---|---|
| Minimum Remove to Make Valid Parentheses | Medium |
| Valid Word Abbreviation | Easy |
| Binary Tree Vertical Order Traversal | Medium |
| Valid Palindrome II | Easy |
| Lowest Common Ancestor of a Binary Tree III | Medium |
| Merge Sorted Array | Easy |
| Kth Largest Element in an Array | Medium |
| Pow(x, n) | Medium |
| Binary Tree Right Side View | Medium |
| Simplify Path | Medium |
| Basic Calculator II | Medium |
| Two Sum | Easy |
Unique to X (35)
Problems in X's list that do not appear at Meta.
| Problem | Difficulty |
|---|---|
| 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 |
| Time Needed to Buy Tickets | Easy |
| Trapping Rain Water II | Hard |
| Finding the Users Active Minutes | Medium |
| One Edit Distance | Medium |
| Invalid Tweets | Easy |
| Best Meeting Point | Hard |
Frequently Asked Questions
How many LeetCode questions do Meta and X share?
Meta and X share 16 LeetCode interview questions. 201 problems appear only in Meta's list and 35 appear only in X's list.
What topics overlap most between Meta and X?
The most common shared topics between Meta and X are Array (7 shared questions), String (7 shared questions), Dynamic Programming (5 shared questions), Hash Table (4 shared questions), Linked List (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Meta or X?
Meta has 52 Easy, 132 Medium, and 33 Hard questions. X has 8 Easy, 31 Medium, and 12 Hard questions. X has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Meta and X?
Start with the 16 shared problems since they cover what both companies ask most often. Then add 20 Meta-specific and 20 X-specific questions to round out your prep.