//Program to give out homework assignment information.
#include <iostream.h>

void show_assignment( );
//Displays next assignment on screen.

void show_grade( );
//Asks for a student number and gives the corresponding grade.

void give_hints( );
//Displays a hint for the current assignment.
int main( )
{
    int choice;

    do
    {
        cout << endl
             << "Choose 1 to see the next homework assignment.\n"
             << "Choose 2 for your grade on the last assignment.\n"
             << "Choose 3 for assignment hints.\n"
             << "Choose 4 to exit this program.\n"
             << "Enter your choice and press return: ";
        cin >> choice;

        switch (choice)
        {
            case 1:
                show_assignment( );
                break;
            case 2:
                show_grade( );
                break;
            case 3:
                give_hints( );
                break;
            case 4:
                cout << "End of Program.\n";
                break;
            default:
                cout << "Not a valid choice.\n"
                     << "Choose again.\n";
        }
    }while (choice != 4);

    return 0;
}


void show_assignment( )
{
    cout << endl << "show_assignment not implemented.\n";
}

void show_grade( )
{
    cout << endl << "show_grade not implemented.\n";
}

void give_hints( )
{
    cout << endl
         << "Assignment hints:\n"
         <<"Analyze the problem\n"
         << "Write an algorithm in pseudocode.\n"
         << "Translate the pseudocode into a C++ program.\n";
}