{"id":28717153,"url":"https://github.com/harshpreet931/the-ultimate-dsa-prep","last_synced_at":"2026-04-09T08:39:01.907Z","repository":{"id":298886680,"uuid":"1000864455","full_name":"harshpreet931/The-Ultimate-DSA-Prep","owner":"harshpreet931","description":"The Ultimate Guide to Data Structures and Algorithms (DSA). A comprehensive, community-driven resource with clear explanations and code implementations in Python, Java, C++, and JavaScript. 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This repository aims to be a comprehensive resource for learning, practicing, and mastering DSA concepts. Our goal is to provide clear explanations, efficient code implementations (in various languages), and a supportive community.\n\n## Why This Repository?\n\n*   **Comprehensive Coverage:** From basic data structures to advanced algorithms.\n*   **Clear Explanations:** Concepts broken down into easy-to-understand pieces.\n*   **Multiple Implementations:** Code examples in popular languages (e.g., Python, Java, C++, JavaScript).\n*   **Community Driven:** We encourage contributions to make this the best DSA resource.\n*   **Interview Focused:** Helping you prepare for technical interviews at top companies.\n\n## Table of Contents\n\n### Basic Data Structures\n\n*   [Arrays](https://www.notion.so/Arrays-1c8e8aab7faa80a5bfb0cf4c911082b8?pvs=21)\n*   [Strings](https://www.notion.so/Strings-1cae8aab7faa80d1bb42c58cb73dfff1?pvs=21)\n*   [Linked Lists (LL)](https://www.notion.so/LL-1cae8aab7faa80eb8a08ef43d83f8fa6?pvs=21)\n*   [Stacks](https://www.notion.so/Stacks-1cbe8aab7faa80538f00cd5c3480fc23?pvs=21)\n*   [Queues](https://www.notion.so/Queues-1cbe8aab7faa80cb82a5c885ddf1555a?pvs=21)\n*   [Hashing](https://www.notion.so/Hashing-1cbe8aab7faa80e7aaccf0065fa403b5?pvs=21)\n*   [Priority Queues (PQ)](https://www.notion.so/PQ-1cbe8aab7faa803ca05ff92fd9487081?pvs=21)\n\n### Trees \u0026 Graphs\n\n*   [Binary Trees](https://www.notion.so/Binary-Trees-1cbe8aab7faa80c28247f2eb626c0e8c?pvs=21)\n*   [Binary Search Trees (BSTs)](https://www.notion.so/BSTs-1cbe8aab7faa809bb27ce4c3b55acf0f?pvs=21)\n*   [Tries](https://www.notion.so/Tries-1cbe8aab7faa8034bc35c071607b8b81?pvs=21)\n*   [Graphs (DFS \u0026 BFS)](https://www.notion.so/Graphs-DFS-BFS-1cbe8aab7faa806b92cbcfd6701a2b4a?pvs=21)\n*   [Graphs (Minimum Spanning Tree - MST)](https://www.notion.so/Graphs-MST-1cbe8aab7faa806fb59ce5c39f5e3e8c?pvs=21)\n*   [Topological Sort](https://www.notion.so/Topological-Sort-1cbe8aab7faa808f8a48e3feca426a21?pvs=21)\n*   [Strongly Connected Components (SCC)](https://www.notion.so/SCC-1cbe8aab7faa80269579f645717f6ca4?pvs=21)\n*   [Disjoint Set Union (DSU)](https://www.notion.so/DSU-1cbe8aab7faa80bb8042f499e41eda57?pvs=21)\n\n### Sorting \u0026 Searching\n\n*   [Sorting Algorithms](https://www.notion.so/Sorting-Algos-1cbe8aab7faa8024bb1ce963073771d3?pvs=21)\n*   [Binary Search](https://www.notion.so/Binary-Search-1cbe8aab7faa80d6b602e0124a072ce3?pvs=21)\n*   [Interpolation \u0026 Ternary Search](https://www.notion.so/Interpolation-Ternary-Search-1cbe8aab7faa80e6a974db4109cae04a?pvs=21)\n\n### Recursion \u0026 Backtracking\n\n*   [Recursion](https://www.notion.so/Recursion-1cbe8aab7faa8056919feb308ef4662b?pvs=21)\n*   [Backtracking](https://www.notion.so/Backtracking-1cbe8aab7faa80998b75d8618847f998?pvs=21)\n\n### Dynamic Programming \u0026 Greedy\n\n*   [1D DP](https://www.notion.so/1D-1cbe8aab7faa80fab14dcfe459bb1e8c?pvs=21)\n*   [2D DP](https://www.notion.so/2D-1cbe8aab7faa801db0bfe1735ae3353a?pvs=21)\n*   [DP on Trees](https://www.notion.so/On-Trees-1cbe8aab7faa8043a947d47c66ff5ae3?pvs=21)\n*   [Greedy Algorithms](https://www.notion.so/Greedy-1cbe8aab7faa80169cf1d8e2521b7d2d?pvs=21)\n\n### Advanced Data Structures\n\n*   [Segment Trees \u0026 Fenwick Trees (BIT)](https://www.notion.so/Segment-Trees-Fenwick-Trees-1cbe8aab7faa8073bb33f3578015ff31?pvs=21)\n*   [Suffix Arrays \u0026 LCP](https://www.notion.so/Suffix-Arrays-LCP-1cbe8aab7faa809fa0f0d5a4742f4f9b?pvs=21)\n\n### Bit Manipulation \u0026 Miscellaneous\n\n*   [Bit Manipulation](https://www.notion.so/Bit-Manipulation-1cbe8aab7faa808d9bb4dd58662c0eb8?pvs=21)\n*   [Number Theory](https://www.notion.so/Number-Theory-1cbe8aab7faa80d3adb0cf3dee1c33de?pvs=21)\n*   [Game Theory and Mathematical Algorithms](https://www.notion.so/Game-Theory-and-Mathematical-Algorithms-1cbe8aab7faa801bb56ad4f3d580ba8d?pvs=21)\n\n## How to Use This Repository\n\n1.  **Browse by Topic:** Navigate through the Table of Contents to find the topic you're interested in.\n2.  **Study the Concepts:** Each topic will ideally have a dedicated folder with:\n    *   `README.md`: Detailed explanation, complexities, use-cases.\n    *   `Implementations/`: Code in various languages (e.g., `Python/`, `Java/`, `Cpp/`).\n    *   `Problems/`: Curated practice problems.\n3.  **Run the Code:** Clone the repository and run the code examples on your local machine.\n4.  **Contribute:** Help us improve by adding new topics, implementations, or fixing issues.\n\n## Contributing\n\nWe welcome contributions from the community! Please read our [CONTRIBUTING.md](CONTRIBUTING.md) for guidelines on how to contribute.\n\n## Code of Conduct\n\nPlease note that this project is released with a [Contributor Code of Conduct](CODE_OF_CONDUCT.md). By participating in this project you agree to abide by its terms.\n\n## License\n\nThis project is licensed under the [MIT License](LICENSE).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fharshpreet931%2Fthe-ultimate-dsa-prep","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fharshpreet931%2Fthe-ultimate-dsa-prep","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fharshpreet931%2Fthe-ultimate-dsa-prep/lists"}