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| 1 | +# Competitive Programming Handbook |
| 2 | + |
| 3 | +Welcome to the **Competitive Programming Handbook Repository** — a comprehensive, structured, and community-driven collection of **algorithms, data structures, problem-solving techniques, and detailed explanations** aimed at helping students and developers master competitive programming. |
| 4 | + |
| 5 | +This repository is designed to serve as a **single-source reference** for beginners as well as advanced programmers preparing for: |
| 6 | + |
| 7 | +- Competitive Coding Contests |
| 8 | +- Technical Placement Interviews |
| 9 | +- Olympiads |
| 10 | +- GATE |
| 11 | +- ICPC |
| 12 | +- Codeforces |
| 13 | +- LeetCode |
| 14 | +- AtCoder |
| 15 | + |
| 16 | +--- |
| 17 | + |
| 18 | +## Purpose of This Repository |
| 19 | + |
| 20 | +The goal of this project is to: |
| 21 | + |
| 22 | +- Build a **complete handbook of competitive programming** |
| 23 | +- Provide **clear explanations with clean implementations** |
| 24 | +- Cover **all major algorithms and data structures** |
| 25 | +- Include **common CP patterns and optimization tricks** |
| 26 | +- Encourage **open-source collaboration** |
| 27 | +- Maintain **professional documentation and structure** |
| 28 | + |
| 29 | +This repository is meant to grow continuously with contributions from the community. |
| 30 | + |
| 31 | +--- |
| 32 | + |
| 33 | +## Repository Structure |
| 34 | + |
| 35 | + |
| 36 | +### `/algos` |
| 37 | + |
| 38 | +This directory will contain: |
| 39 | + |
| 40 | +- All **algorithms** |
| 41 | +- Core **data structures** |
| 42 | +- Classical **problem solutions** |
| 43 | +- Optimized solutions |
| 44 | +- Step-by-step explanations |
| 45 | + |
| 46 | +Each algorithm must be placed in its **relevant category folder**, such as: |
| 47 | + |
| 48 | +- `dp` |
| 49 | +- `graphs` |
| 50 | +- `trees` |
| 51 | +- `math` |
| 52 | +- `strings` |
| 53 | +- `bit-manipulation` |
| 54 | +- `greedy` |
| 55 | +- `searching` |
| 56 | +- `range-queries` |
| 57 | + |
| 58 | +More directories will be added as the project scales. |
| 59 | + |
| 60 | +## What This Handbook Will Contain |
| 61 | + |
| 62 | +- Basic to Advanced Algorithms |
| 63 | +- Fundamental & Advanced Data Structures |
| 64 | +- Dynamic Programming |
| 65 | +- Graph Theory (BFS, DFS, Dijkstra, MST, etc.) |
| 66 | +- Number Theory |
| 67 | +- Greedy Techniques |
| 68 | +- Bit Manipulation |
| 69 | +- Binary Search |
| 70 | +- String Algorithms (KMP, Z, Trie, Hashing) |
| 71 | +- Geometry |
| 72 | +- Range Queries (Segment Tree, Fenwick Tree) |
| 73 | +- Advanced Topics (HLD, Mo’s Algorithm, etc.) |
| 74 | + |
| 75 | +Each topic will include: |
| 76 | + |
| 77 | +- Algorithm explanation |
| 78 | +- Time & Space Complexity |
| 79 | +- Clean, readable implementation |
| 80 | +- Sample test cases |
| 81 | +- Optimization notes |
| 82 | + |
| 83 | + |
| 84 | +## How to Participate & Contribute |
| 85 | + |
| 86 | +Contributions are **open to everyone**. |
| 87 | + |
| 88 | +### Steps to Contribute |
| 89 | + |
| 90 | +1. **Fork this repository** |
| 91 | +2. **Create a new branch with your name** |
| 92 | + |
| 93 | +git checkout -b your-name |
| 94 | + |
| 95 | +3. Add your files inside the `/algos` directory in the appropriate category |
| 96 | +4. Follow clean coding practices with proper documentation |
| 97 | +5. Commit and push your changes |
| 98 | +6. Create a **Pull Request (PR)** |
| 99 | + |
| 100 | +All pull requests will be reviewed before merging. |
| 101 | + |
| 102 | +--- |
| 103 | + |
| 104 | +## Contribution Guidelines |
| 105 | + |
| 106 | +- Code must be **well-documented** |
| 107 | +- Follow **standard naming conventions** |
| 108 | +- Include **time & space complexity** |
| 109 | +- Avoid unnecessary boilerplate |
| 110 | +- One algorithm per file |
| 111 | +- No copied code without proper credit |
| 112 | +- Clearly explain tricky logic |
| 113 | + |
| 114 | +Low-effort or poorly documented submissions will not be merged. |
| 115 | + |
| 116 | +--- |
| 117 | + |
| 118 | +## Community & Collaboration |
| 119 | + |
| 120 | +This project is built on: |
| 121 | + |
| 122 | +- Collaboration |
| 123 | +- Learning |
| 124 | +- Teaching |
| 125 | +- Knowledge Sharing |
| 126 | + |
| 127 | +- If you’re a **beginner**, this repository will guide you. |
| 128 | +- If you’re **experienced**, your contributions can help thousands. |
| 129 | + |
| 130 | +--- |
| 131 | + |
| 132 | +## Future Plans |
| 133 | + |
| 134 | +- Full Algorithm Roadmap |
| 135 | +- Problem-wise CP Handbook |
| 136 | +- Interview Preparation Track |
| 137 | +- GATE-Level Problem Sets |
| 138 | +- Contest-wise Practice Banks |
| 139 | +- PDF Version of the Handbook |
| 140 | +- Language-wise Implementations (C++, Java, Python, Rust) |
| 141 | + |
| 142 | +--- |
| 143 | + |
| 144 | +## Support the Project |
| 145 | + |
| 146 | +If this repository helps you: |
| 147 | + |
| 148 | +- Give it a ⭐ on GitHub |
| 149 | +- Share it with your friends |
| 150 | +- Contribute regularly |
| 151 | + |
| 152 | +Your support helps the project grow. |
| 153 | + |
| 154 | + |
| 155 | +## Contact & Maintainers |
| 156 | + |
| 157 | +For: |
| 158 | + |
| 159 | +- Bug reports |
| 160 | +- Suggestions |
| 161 | +- Feature requests |
| 162 | +- New topic proposals |
| 163 | + |
| 164 | +Please open an **Issue** or submit a **Pull Request**. |
| 165 | + |
| 166 | +--- |
| 167 | + |
| 168 | +### Let’s build the **ultimate open-source Competitive Programming Handbook** together. |
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