armankhondker/best-leetcode-resources
armankhondker/best-leetcode-resources has 3,809 GitHub stars and 414 forks. GitHot measured 0 stars in 24 hours and 0 in 7 days. Last checked 2026-11-11 05:19 UTC. Last push 2025-02-14.
Learn LeetCode and prepare for coding interviews with free resources.
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README.md
OriginalBest LeetCode Resources
This repository contains the best resources for coding interview prep and mastering leetcode.
Data Structures & Algorithms
- Hash Tables
- Linked List
- Recursion
- Sorting
- Binary Search
- Stacks
- Queues
- Trees
- Tries
- Backtracking
- Heaps
- Breadth First Search
- Depth First Search
- Graph Theory
- Dynaymic Programming
- Big O Cheat Sheet
Leetcode Spaced-Repetition Template
Patterns
- 14 Coding Interview Patterns
- Sliding Window
- Two Pointers
- Merge Intervals
- Cyclic Sort
- Monotonic Stack
- Two Heaps
- Subsets
- Modified Binary Search
- Top K Elements
- K-way merge
- In-place Reversal of Linked List
- DFS Pattern
- BFS Pattern
- O-1 Knapsack
- Topological Sort
Famous Problem Sets
Books
Courses
Mock Interviewing
LeetCode Extensions
Resume Template
Must-do Problems
Graphs
- Redundant Connection
- Course Schedule
- Course Schedule II
- Number of connected components in an undirected graph
- Shortest Path to Get All Keys
- Pacific Atlantic Waterflow
- Word Ladder
- Number of Islands
- Clone Graph
- Alien Dictionary
Binary Trees
- Construct binary tree from preorder and inorder traversal
- Diameter of Binary Tree
- Invert Binary Tree
- Count good nodes in Binary Tree
- Serialize and Deserialize Binary Tree
- Kth smallest element in BST
- Lowest Common Ancestor of a BST
- Path Sum
- Path Sum II
- Merge two Binary Trees
- Word Search
- Word Search II
- Maximum Width of Binary Tree
Linked Lists
- Reverse Linked List
- Reverse Linked List II
- Rotate List
- Odd Even Linked List
- Swap Nodes in Pairs
- Reverse nodes in K group
- LRU Cache
Your open-source contributions are appreciated!
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