Thread: need help in time zone

  1. #1
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    need help in time zone

    (Task 1) User enters the time of city A, time difference between cities A and B, and the program will output the equivalent time of city B.



    Define and implement a class Time. Time difference is a positive value if time of city B is ahead of city A. It is a negative value if time of city B is behind city A.

    Typical Sample Runs for Task 1 (user inputs in bold):
    Enter hrs, mins and am/pm of time of city A: 2 10 pm
    Enter time difference (in hrs) between cities A & B: 6
    The equivalent time of city B is 8:10 pm.

    Enter hrs, mins and am/pm of time of city A: 9 45 am
    Enter time difference (in hrs) between cities A & B: -3
    The equivalent time of city B is 6:45 am.


    Can someone help me or got any sample. My C++ not so good.. Thanks.

  2. #2
    and the hat of int overfl Salem's Avatar
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    Never mind the C++, do you understand the maths which is needed for this?

    Hint:
    Convert hh:mm into hh*60+mm
    Then perform the calculation.
    Then convert the result back into hh:mm
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.

  3. #3
    Hurry Slowly vart's Avatar
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    Quote Originally Posted by Salem
    Never mind the C++, do you understand the maths which is needed for this?

    Hint:
    Convert hh:mm into hh*60+mm
    Then perform the calculation.
    Then convert the result back into hh:mm
    before it convert the 12h PM/AM format to the 24h format
    All problems in computer science can be solved by another level of indirection,
    except for the problem of too many layers of indirection.
    – David J. Wheeler

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