// timecnv2.cpp
// a class that models a time data type
// includes member function to convert airtime to minutes

#include <iostream.h>
#include <iomanip.h>      // for setw(), etc.

class airtime
{
   private:
      int minutes;     // 0 to 59
      int hours;       // 0 to 23

   public:
      void set()
      {
         char dummy;   // for colon

         cout << "Enter time (format 23:59): ";
         cin >> hours >> dummy >> minutes;
      }

      void display()
      {
         cout << hours  << ':'
              << setfill('0') << setw(2) << minutes;
      }

      int AirtimeToMins()   // convert airtime to minutes
      {
         int imins = hours*60 + minutes;
         return imins;
      }
};

void main()
{
  airtime t1;
  int iminutes;             //  minutes (can be > 59)
  char choice;

  do
  {
    cout << "For t1, ";    // get airtime value from user
    t1.set();
                           // convert airtime to minutes
    iminutes = t1.AirtimeToMins();

    cout << "Minutes = "   // display minutes
         << iminutes;

    cout << "\nDo another (y/n)? ";
    cin >> choice;

} while(choice != 'n');

}  //end main