//DISPLAY 12.3 Application File Using DigitalTime
//Application file timedemo.cpp (your system may require some suffix
//other than .cpp): This program demonstrates use of the class DigitalTime.
#include <iostream>
#include "dtime.h"
using namespace std;

int main( )
{
    DigitalTime clock, oldClock;

    cout << "Enter the time in 24-hour notation: ";
    cin >> clock;

    oldClock = clock;
    clock.advance(15);
    if (clock == oldClock)
        cout << "Something is wrong.";
    cout << "You entered " << oldClock << endl;
    cout << "15 minutes later the time will be "
         << clock << endl;

    clock.advance(2, 15);
    cout << "2 hours and 15 minutes after that\n"
         << "the time will be "
         << clock << endl;

    return 0;
}