#include <iostream>

using namespace std;

char DoMenu();

void find_largest();

void find_smallest();

int main()
{
    char choice;

    do
    {
        choice = DoMenu();

        switch (choice)
        {
            case 'a':
            case 'A': find_largest();
                break;
            case 'b':
            case 'B': find_smallest();
                break;
        }

    } while ((choice != 'C') && (choice != 'c'));

    return 0;
}

char DoMenu()
{
    char MenuChoice;

        cout << "\n Menu";

        cout << "\n ================";

        cout << "\n A - Find the largest # with a known quantity of numbers\n";

        cout << "\n B - Find the smallest # with an unknown quantity of numbers\n";

        cout << "\n C - Quit\n";

        cout << "\n Please enter your choice: ";

    cin >> MenuChoice;

    return MenuChoice;
}

void find_largest()
{
    int largest = -9999;

    int numbers=0, input, i=0;

    cout << endl;

    cout << "How many numbers to enter: ";

    cin >> numbers;

    for (i=0; i<numbers; i++)
    {
        cout << "Enter number " << i+1 << ": ";

        cin >> input;

        if (input > largest)

            largest = input;
    }

    cout << endl;

    cout << "The largest number is: " << largest << "\n\n";
}

void find_smallest()
{
    int smallest = 9999;

    int input=0, i=1;

    cout << endl;

    do
    {
        cout << "Enter number " << i << ": ";

        cin >> input;

        i++;
        if ((input < smallest) && (input != -99))

            smallest = input;

    } while (input != -99);

    cout << endl;

    cout << "The smallest number is: " << smallest << "\n\n";
}

void Greatest()

{

      // Initialize final result variable to largest number possible

      //

      // Ask user How many numbers he would like to enter

      // Read number of numbers user plans to enter

      // start a loop, increment from 0 to number of numbers user plans to enter

      //       Read next number

      //       Compare number to final result variable

      //       if number is less than final result variable, then

      //       store in final result variable

      // end of loop

}