awesome-leetcode-resources

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This repository contains awesome resources to learn Data Structures and Algorithms (DSA) and prepare for Coding interviews. 👉 If you want to learn DSA from scratch and master all important DSA patterns, checkout this comprehensive and interactive resource [DSA - AlgoMaster.io (https://algomaster.io/learn/dsa) ## 💡 Tips - [How I Mastered DSA](https://blog.algomaster.io/p/how-i-mastered-data-structures-and-algorithms) - [How to Start LeetCode](https://blog.algomaster.io/p/how-to-start-leetcode-in-2025) - [20 DSA Patterns](https://blog.algomaster.io/p/20-dsa-patterns) ## 📌 Fundamental Concepts - [Algorithmic Complexity](https://algomaster.io/learn/dsa/big-o-introduction) - [Arrays](https://algomaster.io/learn/dsa/arrays-introduction) - [Bit Manipulation Techniques](https://algomaster.io/learn/dsa/bit-manipulation-introduction) - [Sorting Algorithms](https://algomaster.io/learn/dsa/bubble-sort) - [Linked List](https://algomaster.io/learn/dsa/linked-list-introduction) - [Stacks](https://algomaster.io/learn/dsa/stack-introduction) - [Queues](https://algomaster.io/learn/dsa/queue-introduction) - [Hash Tables](https://algomaster.io/learn/dsa/hash-tables-introduction) - [Binary Tree](https://algomaster.io/learn/dsa/binary-tree-introduction) - [Binary Search Tree](https://algomaster.io/learn/dsa/bst-introduction) - [Heaps](https://algomaster.io/learn/dsa/heaps-introduction) - [Recursion](https://algomaster.io/learn/dsa/recursion-fundamentals) - [Backtracking](https://algomaster.io/learn/dsa/backtracking-introduction) - [Tries](https://algomaster.io/learn/dsa/tries-introduction) - [Binary Search](https://algomaster.io/learn/dsa/binary-search-introduction) - [Greedy Algorithm](https://algomaster.io/learn/dsa/greedy-introduction) - [Dynamic Programming](https://algomaster.io/learn/dsa/dp-introduction) - [Graph Theory](https://algomaster.io/learn/dsa/graphs-introduction) - [DFS Traversal](https://algomaster.io/learn/dsa/dfs-introduction) - [BFS Traversal](https://algomaster.io/learn/dsa/bfs-introduction) - [Union-Find](https://algomaster.io/learn/dsa/union-find-introduction) - [Dijkstra Algorithm](https://algomaster.io/learn/dsa/dijkstras-algorithm) - [Minimum Spanning Tree](https://www.hackerearth.com/practice/algorithms/graphs/minimum-spanning-tree/tutorial/) ## 🚀 Patterns - [20 Leetcode Patterns](https://blog.algomaster.io/p/20-dsa-patterns) - [20 DP Patterns](https://blog.algomaster.io/p/20-patterns-to-master-dynamic-programming) - [Two Pointers Pattern](https://algomaster.io/learn/dsa/two-pointers-introduction) - [Sliding Window Pattern](https://algomaster.io/learn/dsa/sliding-window-introduction) - [Prefix Sum Pattern](https://algomaster.io/learn/dsa/prefix-sum-introduction) - [Fast and Slow Pointers Pattern](https://algomaster.io/learn/dsa/fast-slow-pointers-introduction) - [Top 'K' Elements Pattern](https://algomaster.io/learn/dsa/top-k-elements-introduction) - [Kadane's Algorithm](https://algomaster.io/learn/dsa/kadane-s-algorithm-introduction) - [Linked List In-place Reversal Pattern](https://algomaster.io/learn/dsa/linked-list-in-place-reversal-introduction) - [Monotonic Stack Pattern](https://algomaster.io/learn/dsa/monotonic-stack-introduction) - [Overlapping Intervals Pattern](https://algomaster.io/learn/dsa/intervals-introduction) ## 📝 Must-Read Leetcode Articles - [Sliding Window Template](https://leetcode.com/problems/frequency-of-the-most-frequent-element/solutions/1175088/C++-Maximum-Sliding-Window-Cheatsheet-Template/) - [Two Pointers Patterns](https://leetcode.com/discuss/study-guide/1688903/Solved-all-two-pointers-problems-in-100-days) - [Collections of Important String Questions](https://leetcode.com/discuss/study-guide/2001789/Collections-of-Important-String-questions-Pattern) - [Substring Problem Template](https://leetcode.com/problems/minimum-window-substring/solutions/26808/Here-is-a-10-line-template-that-can-solve-most-'substring'-problems/) - [Binary Search Template](https://leetcode.com/discuss/study-guide/786126/Python-Powerful-Ultimate-Binary-Search-Template.-Solved-many-problems) - [A General Approach to Backtracking Questions](https://leetcode.com/problems/permutations/solutions/18239/A-general-approach-to-backtracking-questions-in-Java-(Subsets-Permutations-Combination-Sum-Palindrome-Partioning)/) - [Monotonic Stack Template](https://leetcode.com/discuss/study-guide/2347639/A-comprehensive-guide-and-template-for-monotonic-stack-based-problems) - [Heap Patterns](https://leetcode.com/discuss/general-discussion/1127238/master-heap-by-solving-23-questions-in-4-patterns-category) - [Bit Manipulation Patterns](https://leetcode.com/discuss/study-guide/4282051/all-types-of-patterns-for-bits-manipulations-and-how-to-use-it) - [Dynamic Programming Patterns](https://leetcode.com/discuss/study-guide/458695/Dynamic-Programming-Patterns) - [Stock Series Patterns](https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-transaction-fee/solutions/108870/most-consistent-ways-of-dealing-with-the-series-of-stock-problems/) ## ✅ Curated Problems - [AlgoMaster 300](https://algomaster.io/practice/dsa-patterns) - [Blind 75](https://leetcode.com/discuss/general-discussion/460599/blind-75-leetcode-questions) - [Leetcode Top 100 Liked](https://leetcode.com/studyplan/top-100-liked/) - [Leetcode Top Interview 150](https://leetcode.com/studyplan/top-interview-150/) ## 📺 YouTube Playlist - [AlgoMaster DSA Playlist](https://www.youtube.com/playlist?list=PLK63NuByH5o9odyBT7nfYkHZyvGQ5oVp2&pp=gAQB) - [AlgoMaster LeetCode Pattern Playlist](https://www.youtube.com/playlist?list=PLK63NuByH5o-tqaMUHRA4r8ObRW7PWz45) - [Abdul Bari's Algorithms Playlist](https://www.youtube.com/playlist?list=PLDN4rrl48XKpZkf03iYFl-O29szjTrs_O) - [William Fiset's Data Structure Playlist](https://www.youtube.com/playlist?list=PLDV1Zeh2NRsB6SWUrDFW2RmDotAfPbeHu) - [William Fiset's Graphs Playlist](https://www.youtube.com/playlist?list=PLDV1Zeh2NRsDGO4--qE8yH72HFL1Km93P) - [Tushar Roy's Dynamic Programming Playlist](https://www.youtube.com/playlist?list=PLrmLmBdmIlpsHaNTPP_jHHDx_os9ItYXr) ## 📇 Courses - [Coursera - Algorithms, Part I](https://www.coursera.org/learn/algorithms-part1) - [Coursera - Algorithms, Part 2](https://www.coursera.org/learn/algorithms-part2) ## 📚 Books - [Data Structures And Algorithms Made Easy](https://www.amazon.in/dp/B08CMLS7LZ) - [Cracking the Coding Interview](https://www.amazon.in/dp/0984782850) ## 📩 Newsletter - [AlgoMaster Newsletter](https://blog.algomaster.io/) ## 🔎 Visualization - [AlgoMaster DSA Animations](https://algomaster.io/animations/dsa) - [VisuAlgo](https://visualgo.net/en) ---

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