📘 100 C++ Projects

A collection of 100 practical C++ projects designed to strengthen your problem-solving skills, deepen your understanding of systems programming, and build real-world development experience.

This repository is structured progressively—from beginner fundamentals to advanced system-level challenges—so you can grow as a C++ developer step by step.

🚀 Features

• 📂 100 curated C++ projects, each in its own folder
• 🎯 Covers beginner → advanced topics
• 🧱 Includes algorithms, OOP, data structures, file I/O, networking, multithreading, OS concepts, graphics, and more
• 📝 Each project contains:
  • Problem description
  • Implementation
  • Notes / improvements
  • Compilation & run instructions
• 🧪 Optional unit tests (where relevant)

📁 Repository Structure

100-cpp-projects/
│
├── 01-temperature-converter/
│   ├── main.cpp
│   └── README.md
│
├── ...
│
└── 100-final-project/
    ├── src/
    └── README.md
│
│
├── init_cpp.sh
├── License
└── README.md

📝 Project Categories

LEVEL 1 (1–20)

• Basic syntax
• Variables, loops, functions
• Console apps
• Simple algorithms

LEVEL 2 (21–40)

• OOP (classes, inheritance, polymorphism)
• File I/O
• Data structures (linked lists, trees, stacks, queues)
• Memory management

LEVEL 3 (41–60)

• STL mastery (vectors, maps, algorithms)
• Multithreading & concurrency
• Design patterns
• Compiler-like tools
• System-level tools
• Mini-engines

LEVEL 4 (61–80)

• Networking (TCP/UDP sockets)
• OS
• Memory Management

LEVEL 5 (81–100)

• Games
• Graphics
• OpenGL / graphics basics (optional)
• Real-World apps

🛠️ Requirements

• C++17 or later
• A compiler such as:
  • g++ (MinGW/GCC)
  • clang++
  • MSVC / Visual Studio
• CMake (optional but recommended)

▶️ How to Compile & Run

Using g++

g++ main.cpp -o program
./program

Using CMake

mkdir build
cd build
cmake ..
make
./program

🧩 How to Use This Repo

You can:

• Build the projects in order for a full learning path
• Jump to specific topics you want to practice
• Fork and modify for your own learning
• Use it as a portfolio showcase
• Practice system-level development

📚 Learning Goals

By completing this repo, you will gain solid experience in:

• Problem-solving
• Memory management
• Data structures & algorithms
• Object-oriented design
• File processing
• Multithreading
• Networking
• Modern C++ best practices
• Writing clean, maintainable code

💡 Ideas for Future Improvements

• Add automated tests
• Add performance benchmarks
• Add diagrams & explanations
• Convert some projects into full applications
• Add GUI versions using Qt or SDL

🤝 Contributing

Contributions are welcome!
If you want to:

• Improve a project
• Add alternative solutions
• Add unit tests
• Fix bugs

Submit a pull request 🤝

📜 License

This project is licensed under the MIT License.
Feel free to use it for your learning or portfolio.

⭐ Support

If this repo helps you learn, star the repository ⭐
It motivates further improvements.

🧑‍💻 About the Developer

Hi! I'm Zamin Ahmadi, a passionate software engineering student and systems programmer.
I love building:

• ⚙️ System-level C++ applications
• 🖥️ Networking & server tools
• 🎮 Graphics & OpenGL projects
• 🧩 Algorithms & low-level utilities

This repository is part of my mission to master C++ by building 100 real-world projects.

If you'd like to collaborate, feel free to reach out!

📧 Email: [email protected]
🐙 GitHub: https://github.com/zmn17
💼 LinkedIn: https://linkedin.com/in/zmnahm10