Meta vs TikTok Interview Questions
Meta lists 217 LeetCode interview questions while TikTok lists 351. They share 130 problems — 60% of Meta's bank and 37% of TikTok's. Focus on the overlap first, then drill into 87 Meta-only and 221 TikTok-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 130 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Meta and TikTok.
Step 2 — Company-specific depth: Add Meta-specific problems like Binary Tree Vertical Order Traversal, Lowest Common Ancestor of a Binary Tree III, Merge Sorted Array and TikTok-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: TikTok skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
130 Shared Questions
High-priority problems to practice for both Meta and TikTok.
| Problem | Difficulty |
|---|---|
| Minimum Remove to Make Valid Parentheses | Medium |
| Valid Word Abbreviation | Easy |
| Valid Palindrome II | Easy |
| Kth Largest Element in an Array | Medium |
| Pow(x, n) | Medium |
| Binary Tree Right Side View | Medium |
| Simplify Path | Medium |
| Merge Intervals | Medium |
| Basic Calculator II | Medium |
| Two Sum | Easy |
| Lowest Common Ancestor of a Binary Tree | Medium |
| Find Peak Element | Medium |
| Random Pick with Weight | Medium |
| Diameter of Binary Tree | Easy |
| Next Permutation | Medium |
| Top K Frequent Elements | Medium |
| Merge k Sorted Lists | Hard |
| 3Sum | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Find First and Last Position of Element in Sorted Array | Medium |
| Subarray Sum Equals K | Medium |
| Valid Parentheses | Easy |
| Dot Product of Two Sparse Vectors | Medium |
| Valid Palindrome | Easy |
| Minimum Window Substring | Hard |
| Shortest Path in Binary Matrix | Medium |
| Copy List with Random Pointer | Medium |
| Longest Common Prefix | Easy |
| Add Two Numbers | Medium |
| Making A Large Island | Hard |
Showing top 30 of 130 shared problems.
Unique to Meta (87)
Problems in Meta's list that do not appear at TikTok.
| Problem | Difficulty |
|---|---|
| Binary Tree Vertical Order Traversal | Medium |
| Lowest Common Ancestor of a Binary Tree III | Medium |
| Merge Sorted Array | Easy |
| Nested List Weight Sum | Medium |
| Sum Root to Leaf Numbers | Medium |
| Buildings With an Ocean View | Medium |
| Custom Sort String | Medium |
| K Closest Points to Origin | Medium |
| Clone Graph | Medium |
| Valid Number | Hard |
| Range Sum of BST | Easy |
| Sliding Window Median | Hard |
Unique to TikTok (221)
Problems in TikTok's list that do not appear at Meta.
Frequently Asked Questions
How many LeetCode questions do Meta and TikTok share?
Meta and TikTok share 130 LeetCode interview questions. 87 problems appear only in Meta's list and 221 appear only in TikTok's list.
What topics overlap most between Meta and TikTok?
The most common shared topics between Meta and TikTok are Array (14 shared questions), String (9 shared questions), Two Pointers (6 shared questions), Hash Table (6 shared questions), Stack (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Meta or TikTok?
Meta has 52 Easy, 132 Medium, and 33 Hard questions. TikTok has 34 Easy, 245 Medium, and 72 Hard questions. TikTok has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Meta and TikTok?
Start with the 130 shared problems since they cover what both companies ask most often. Then add 20 Meta-specific and 20 TikTok-specific questions to round out your prep.