Sams Teach Yourself C in 21 Days

26: start_time.init(7, 15, 20);

27: end_time.init(10, 20, 30);

28:

29: // Print initial times

30: cout << “\nStart time: “;

31: start_time.print_time();

32: cout << “\nEnd time: “;

33: end_time.print_time();

34:

35: // Add 1 hour, 1 minute, and 1 second to end time

36: end_time.add_hour();

37: end_time.add_minute();

38: end_time.add_second();

39:

40: // Print final times

41: cout << “\n\nStart time: “;

42: start_time.print_time();

43: cout << “\nNew end time: “;

44: end_time.print_time();

45:

46: return 0;

47: }

48:

49: // Print a time structure in h:m:s format

50: //----------------------------------------

51: void time::print_time(void)

52: {

53: cout << hours << “:” << minutes << “:” << seconds;

54: }

55:

56: // Add 1 to the number of hours

57: //------------------------------

58: void time::add_hour(void)

59: {

60: hours += 1;

61: while (hours >= 24 )

62: {

63: hours -= 24;

64: }

65: }

66:

67: // Add 1 to the number of minutes

68: //--------------------------------

69: void time::add_minute(void)

70: {

71: minutes += 1;

72: while (minutes >= 60)

73: {

74: add_hour();

678 Bonus Day 3

LISTINGB3.4 continued

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