/Online-Judge

Primary LanguageJavaScriptMIT LicenseMIT

Online-Judge

Online Judge Project (MERN Stack)

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This is a comprehensive Online Judge project built using the MERN (MongoDB, Express.js, React.js, Node.js) stack. The project provides a platform for hosting coding competitions, practicing coding problems, and evaluating submissions. It is designed to facilitate the evaluation of programming skills and improve problem-solving capabilities.

Features

  • User authentication and registration
  • Coding competition creation and management
  • Practice coding problems with different difficulty levels
  • Submission evaluation and scoring
  • Leaderboard for competitions
  • Code editor
  • Admin dashboard for managing users, competitions, and problems

Demo

Homepage

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Register/Signup Page

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Login/SignIn Page

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Problem Page

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Indiviual Problem :

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Coding Arena

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Flexibility of Programming Language and More

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LeaderBoard (Tested with live Users)

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Technologies Used

  • Frontend: React.js
  • Backend: Node.js, Express.js, MongoDB

Installation

  1. Clone the repository:

    

    2. 

  2. 

    Navigate to the project directory:
    

    cd online-judge
    

    3. 

  3. 

    Install the dependencies for both the frontend and backend:
    

    cd frontend
npm install
cd ../backend
npm install
    

    4. 

  4. 

    Configure the environment variables:
    

      

    • Create a .env file in the backend directory.
      • 

    • Add the necessary environment variables in the .env file. For example:
      • 

    

    PORT=5000
MONGODB_URI=<your-mongodb-uri>
    

    5. 

  5. 

    Start the development servers:
    

    # Start the backend server
  cd backend
  npm start

# Start the frontend development server in a new terminal window
  cd frontend
  npm start
    

    6.