76 LeetCode Problems To Crack Meta

Meta Interview Roadmap

Here are 76 LeetCode Problems I will solve to crack my Meta interview.

And no, I won’t “grind 500 problems.”

I will focus on the right ones.

These are the exact problems I will practice right before my Meta interview:

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1/ Arrays & Hashing

1. Two Sum

2. Contains Duplicate

3. Roman to Integer

4. Simple Bank System

5. Custom Sort String

6. Group Anagrams

2/ Two Pointers

1. Valid Palindrome II

2. Merge Sorted Array

3. Valid Palindrome

4. Longest Palindromic Substring

5. Container With Most Water

6. 3Sum

3/ Stack

1. Valid Parentheses

2. Remove All Adjacent Duplicates In String

3. Remove Outermost Parentheses

4. Minimum Remove to Make Valid Parentheses

5. Simplify Path

6. Basic Calculator II

4/ Binary Search

1. Kth Missing Positive Number

2. Binary Search

3. Search Insert Position

4. Random Pick with Weight

5. Find Peak Element

6. Find First and Last Position of Element in Sorted Array

5/ Sliding Window

1. Contains Duplicate II

2. Maximum Average Subarray I

3. Find the K-Beauty of a Number

4. Longest Substring Without Repeating Characters

5. Max Consecutive Ones III

6. Minimum Window Substring

6/ Linked List

1. Intersection of Two Linked Lists

2. Reverse Linked List

3. Remove Duplicates from Sorted List

4. Add Two Numbers

5. LRU Cache

6. Copy List with Random Pointer

7/ Trees

1. Diameter of Binary Tree

2. Range Sum of BST

3. Same Tree

4. Binary Tree Right Side View

5. Lowest Common Ancestor of a Binary Tree

6. Sum Root to Leaf Numbers

8/ Trie

1. Longest Common Prefix

2. Count Prefix and Suffix Pairs I

3. Word Break

4. Implement Trie (Prefix Tree)

5. Design Add And Search Words Data Structure

9/ Backtracking

1. Binary Tree Paths

2. Binary Watch

3. Sum of All Subset XOR Totals

4. Generate Parentheses

5. Subsets

6. Combination Sum

10/ Heap (Priority Queue)

1. Last Stone Weight

2. Kth Largest Element in a Stream

3. Relative Ranks

4. K Closest Points to Origin

5. Top K Frequent Elements

6. Merge k Sorted Lists

11/ Graphs

1. Find Center of Star Graph

2. Find the Town Judge

3. Find if Path Exists in Graph

4. Clone Graph

5. Course Schedule

6. Longest Increasing Path in a Matrix

12/ Intervals

1. Interval List Intersections

2. Merge Intervals

3. Insert Interval

13/ Greedy & Dynamic Programming

1. Best Time to Buy and Sell Stock

2. Maximum Subarray

3. Trapping Rain Water

14/ Prefix Sum

1. Subarray Sum Equals K

2. Continuous Subarray Sum

3. Product of Array Except Self

15/ Miscellaneous

1. Pow(x, n)

2. Making A Large Island

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If you’re preparing for FAANG in 2026, don’t forget to save this post.

Also, here’s a platform which you can use to practice for your interviews:

🔗 Interview Roadmap Platform: Link

Best of luck!