#include <iostream>
using namespace std;

void output();
void track (int &);
int greatest, least;


int main()
{
        int num;
        
        cout << "This program lets you input a series of numbers and finds\nthe greatest and least values.\n";
        cout << "Type in a value. -99 will finish the series.\n";
        cin >> num;
        
        if (num == -99)
        cout << "\nNo values were entered, so there is no smallest and greatest value.\n";
        greatest = num, least = num;
        
        
while (num != -99)
      
      {
      track(num);
      cout << "Enter another value.\n";
      cin >> num;
      }
      
      
if (greatest != -99 && least != -99)
   { 
          cout << "\nSmallest value: " << least << endl;
          cout << "Greatest value: " << greatest << endl;
   }

system ("PAUSE");
return 0;

}

void track (int &num)
{
     greatest = num, least = num;
          
     if (num > greatest)
     greatest = num;
     else (num < least);
     least = num;  
}

else (num < least);

//This program should get an integer list from the user
//then display only the largest and smallest number in the list.
//using two functions.
#include <cstdlib>
#include <iostream>

using namespace std;

void track (int &, int &, int &); //Function Prototypes.
void output();

int main(int argc, char *argv[])
{
    
    output(); //Call First Function.
    
    
    system("PAUSE");
    return EXIT_SUCCESS;
}

void output() //Function Definition.
     {
               int integer; //to hold the integers.
               int greatest, least; //To hold the greatest & Smallest values.
               
               do
               {
                   cout << "This program lets you input a series of numbers and finds\nthe greatest and least values.\n";
                   cout << "Type in a value. -99 will finish the series.\n";
                   cin >> integer;
               
                   if (integer == -99)
                   
                      cout << "\nNo values were entered, so there is no smallest and greatest value.\n";
               }
                   while(integer /= -99);
                   {
                         track(integer, greatest, least);
                         cout << "Please enter another integer: \n";
                         cin >> integer;
                   
                   if (greatest == -99 && least == -99)
                      {
                          cout << "\nSmallest value: " << least << endl; 
                          cout << "Greatest value: " << greatest << endl;
                      }  
                   }
        }
        
void track (int &integer, int &greatest, int &least)
{
     greatest = integer, least = integer;
     
     if (integer > greatest)
     greatest = integer;
     else if (integer < least)
     least = integer;  
}

void track (int &integer, int &greatest, int &least)
{
     greatest = integer, least = integer; <-- pay attention here also!
     
     if (integer > greatest)
     greatest = integer;
     else if (integer < least)
     least = integer;  
}