Meta‑Style LeetCode Question List

A curated list of problems commonly asked in Meta-style (and similar FAANG) coding interviews. 16/31 have a full Java walkthrough on this blog — look for the Blog column.

Study path: Interview Prep Hub · NeetCode 150 Tracker · Beginner’s Guide

✅ Easy

# Title LeetCode Blog Done
1 Two Sum LeetCode — ☐
217 Contains Duplicate LeetCode Blog ✅
242 Valid Anagram LeetCode Blog ✅
283 Move Zeroes LeetCode — ☐
349 Intersection of Two Arrays LeetCode Blog ✅
206 Reverse Linked List LeetCode Blog ✅
21 Merge Two Sorted Lists LeetCode — ☐
141 Linked List Cycle LeetCode — ☐

🟡 Medium

# Title LeetCode Blog Done
3 Longest Substring Without Repeating Characters LeetCode Blog ✅
15 3Sum LeetCode — ☐
49 Group Anagrams LeetCode Blog ✅
56 Merge Intervals LeetCode Blog ✅
75 Sort Colors LeetCode Blog ✅
102 Binary Tree Level Order Traversal LeetCode Blog ✅
200 Number of Islands LeetCode Blog ✅
207 Course Schedule LeetCode Blog ✅
210 Course Schedule II LeetCode Blog ✅
215 Kth Largest Element in an Array LeetCode Blog ✅
347 Top K Frequent Elements LeetCode Blog ✅
438 Find All Anagrams in a String LeetCode — ☐
560 Subarray Sum Equals K LeetCode Blog ✅
128 Longest Consecutive Sequence LeetCode — ☐

🟥 Hard

# Title LeetCode Blog Done
4 Median of Two Sorted Arrays LeetCode — ☐
76 Minimum Window Substring LeetCode — ☐
30 Substring with Concatenation of All Words LeetCode — ☐
895 Maximum Frequency Stack LeetCode — ☐
432 All O`one Data Structure LeetCode — ☐
124 Binary Tree Maximum Path Sum LeetCode — ☐
297 Serialize and Deserialize Binary Tree LeetCode — ☐
146 LRU Cache LeetCode Blog ✅
355 Design Twitter LeetCode — ☐

Progress

Difficulty On blog Total
Easy 4 8
Medium 11 14
Hard 1 9
All 16 31

🛠 System Design & Beyond (reading list)

Topic Resource Notes
System design System Design Primer Free, comprehensive starting point
OOD Grokking OOD Interview Design patterns + interview problems
Behavioral STAR method guide Structure behavioral stories
Meta-specific Meta Careers — Interview prep Official company guidance

Common system design prompts: news feed, rate limiter, key-value cache (LRU Cache coding version), notifications, web crawler (LC 1242 blog).