// Week 5 - Control Structures II- Philip McCrary - 11-08-06
 
#include<iostream>
 
using namespace std; 
 
char menuItem;
int number;
int limit, counter;
int temp1, temp2;
const int SENTINEL = -99;
 
int main() 
{ //open main
 
    while (menuItem != 'C' || 'c')
    { // open while 1
    cout << "Welcome to CS106 Week 5: Control Structures II." << endl;
    cout << "Please choose from the following options below." << endl;
    cout << "A: What's the largest number?" << endl;        
    cout << "B: What's the smallest number?" << endl;
    cout << "C: Flee to Windows" << endl;
    cout << "Please choose now: ";
    cin >> menuItem;
    cout << endl;
 
 
        if ((menuItem >= 'A' || 'a') && (menuItem <= 'C' || 'c'))
        { // open if main 
            switch (menuItem)
            { // open switch 1
            case 'a':                                                    
            case 'A':
 
            cout << "This section will find the largest number? " << endl;
            cout << "How many numbers do you want to enter? ";
            cin >> limit;
            cout << endl;
            cout << "Enter " << limit << " numbers: " << endl;
 
 
            for (counter = 0; counter < limit; counter++)
            {
                cin >> number;
                if (number > temp1)
                temp1 = number;
            }
 
                cout << "\nYour largest number out of " << limit << " was " << temp1 << "." << endl;
            cout << endl;
 
            break;                                                    
 
            case 'b':
            case 'B':
 
                cout << " Enter a group of numbers. I will tell you the smallest number. \n Enter " << SENTINEL << " to exit." << endl;
                counter = 0;
 
 
            while (number != SENTINEL)
            {                                                            // open while 3
                counter++;
                cin >> number;
 
                {
                    cin >> number;
                if (number < temp2)
                    temp2 = number;
                }
             }
 
                cout << "Your smallest number out of " << counter << " was " << temp2 << "." << endl;
                cout << endl;
                break;
            case 'c':
            case 'C':
                cout << " Goodbye. " << endl;
                return 0;
            } //close switch 1
        } // close if main
        else
        {
            cout << "Please enter a valid menu option; A, B, or C." << endl;
            cin >> menuItem;
            cout << endl;
        } // end else 
 
          } // close while 1
    return 0;
} // close main