#include<iostream>
#include<cctype>

using namespace std;

void LargestNum();
void SmallestNum();

int main()
{
    char option;

    do
    {
        cout << "     A - Find the largest # with a known quantity of numbers.\n";
        cout << "     B - Find the smallest # with an unknown quantity of numbers.\n";
        cout << "     C - Quit!\n";
        cout << endl;
        cout << "Please enter your choice: ";
        cin >> option;
        cout << endl;
        
        switch (option)
        {
            case 'A': LargestNum(); break;

            case 'B': SmallestNum(); break;
        }
    } while (option != 'C');

    system("PAUSE");

    return 0;
}

void LargestNum()
{
    int entry;
    int i = 0;
    int input;
    int largest = 0;

    cout << "How many numbers would you like to enter? ";
    cin >> entry;

    for (i = 0; i < entry; i++)
    {
        cout << "Number " << i+1 << ":";
        cin >> input;
        if (input > largest)
            largest = input;
    }
    
    cout << endl;
    cout << "     The largest number you entered is: " << largest << "\n";
    cout << endl;
}

void SmallestNum()
{
    int smallest, input1 = 0, i1 = 1;

    cout << endl;
    cout << "Enter as many numbers as you want, when finished type -99\n";
    cout << endl;
    
    do
    {
        cout << "Number" << i1 << ": ";
        cin >> input1;    
        i1++;
        if ((input1 < smallest) && (input1 != -99))
            smallest = input1;
    } while (input1 != -99);
    
    cout << endl;
    cout << "     The smallest number you entered is: " << smallest << "\n";
    cout << endl;
}

option=toupper(option);
switch (option) {