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Student Report Management System

This C++ project provides a command-line interface for managing student records, including creating, viewing, searching, modifying, and deleting student information and their academic performance.

Features

  • Create Student Records: Add new students with details like roll number, name, and marks in various subjects.
  • Search Student Records: Find specific student records using their roll number.
  • Display All Records: View a list of all stored student records.
  • Delete Student Records: Remove existing student records based on roll number.
  • Modify Student Records: Update information for existing students.
  • Automatic Grade Calculation: Calculates and stores student grades based on their average marks.
  • Persistent Storage: Utilizes binary file storage to save and retrieve student data.

How to Use

  1. Compile the Code:

    • Make sure you have a C++ compiler installed (e.g., g++).
    • Compile the code using a command like: g++ main.cpp -o student_report (assuming your main file is named main.cpp)

  2. Run the Program:

    • Execute the compiled program: ./student_report

  3. Follow the Menu:

    • The program will display a menu with options to create, search, display, delete, or modify student records.
    • Choose options by entering the corresponding number and follow the on-screen prompts.

Time and Space Complexity

  • Time Complexity:

    • Input Reading: O(n)
    • Record Creation: O(1)
    • Record Display (All): O(n)
    • Record Display (Specific): O(n)
    • Record Modification: O(n)
    • Record Deletion: O(n)
    • Overall: O(n)

  • Space Complexity:

    • Storage for student records: O(n)
    • Additional variables: O(1)
    • Overall: O(n)

Code Structure

  • student Class:

    • Stores student data (roll number, name, marks, average, grade).
    • Provides methods for data input, output, calculation, and retrieval.

  • Functions:

    • create_student(): Creates and saves a new student record.
    • display_sp(int): Displays a specific student record based on roll number.
    • display_all(): Displays all student records.
    • delete_student(int): Deletes a student record.
    • change_student(int): Modifies an existing student record.

  • main() Function:

    • Presents the main menu and handles user interactions.

Contributing

Contributions are welcome! Feel free to fork the repository and submit pull requests.

License

This project is open-source and available under a permissive, copyright-free approach. You are free to use and modify the code as needed.

Disclaimer

By using this project, you acknowledge that it is provided as-is without warranty.