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// Fig. 6.1: fig06_01.cpp
// Create a structure, set its members, and print it.
#include <iostream>
using std::cout;
using std::endl;
#include <iomanip>
using std::setfill;
using std::setw;
// structure definition
struct Time {
int hour; // 0-23 (24-hour clock format)
int minute; // 0-59
int second; // 0-59
}; // end struct Time
void printUniversal( const Time & ); // prototype
void printStandard( const Time & ); // prototype
int main()
{
Time dinnerTime; // variable of new type Time
dinnerTime.hour = 18; // set hour member of dinnerTime
dinnerTime.minute = 30; // set minute member of dinnerTime
dinnerTime.second = 0; // set second member of dinnerTime
cout << "Dinner will be held at ";
printUniversal( dinnerTime );
cout << " universal time,\nwhich is ";
printStandard( dinnerTime );
cout << " standard time.\n";
dinnerTime.hour = 29; // set hour to invalid value
dinnerTime.minute = 73; // set minute to invalid value
cout << "\nTime with invalid values: ";
printUniversal( dinnerTime );
cout << endl;
return 0;
} // end main
// print time in universal-time format
void printUniversal( const Time &t )
{
cout << setfill( '0' ) << setw( 2 ) << t.hour << ":"
<< setw( 2 ) << t.minute << ":"
<< setw( 2 ) << t.second;
} // end function printUniversal
// print time in standard-time format
void printStandard( const Time &t )
{
cout << ( ( t.hour == 0 || t.hour == 12 ) ?
12 : t.hour % 12 ) << ":" << setfill( '0' )
<< setw( 2 ) << t.minute << ":"
<< setw( 2 ) << t.second
<< ( t.hour < 12 ? " AM" : " PM" );
} // end function printStandard
/**************************************************************************
* (C) Copyright 1992-2002 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/
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