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Thread: Converting a double digit to single digit

  1. #1

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    Hyperactive Member deane034's Avatar
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    Question Converting a double digit to single digit

    how do you convert a double digit number, to a single digit in C

    say, if you have 34 i want it to convert to,

    3*10 + 4 does anyone know of a ready-made algo (or code)?

    cheers!
    me.life = VB

  2. #2
    Interweb adm/o/distrator Paul M's Avatar
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    Re: Converting a double digit to single digit

    Why do you want to convert it to the algorithm? That ain't exactly a single digit as you stated in your threads title.

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    transcendental analytic kedaman's Avatar
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    Re: Converting a double digit to single digit

    Use
    writing software in C++ is like driving rivets into steel beam with a toothpick.
    writing haskell makes your life easier:
    reverse (p (6*9)) where p x|x==0=""|True=chr (48+z): p y where (y,z)=divMod x 13
    To throw away OOP for low level languages is myopia, to keep OOP is hyperopia. To throw away OOP for a high level language is insight.

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    Re: Converting a double digit to single digit

    Kedaman that link just shows how to double the integer though.

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    transcendental analytic kedaman's Avatar
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    Re: Converting a double digit to single digit

    Quote Originally Posted by vbleet
    Kedaman that link just shows how to double the integer though.
    Well the example shows how to do that, but thats not the point. I guessed he was asking for how to convert a string of digits to an integer.
    Use
    writing software in C++ is like driving rivets into steel beam with a toothpick.
    writing haskell makes your life easier:
    reverse (p (6*9)) where p x|x==0=""|True=chr (48+z): p y where (y,z)=divMod x 13
    To throw away OOP for low level languages is myopia, to keep OOP is hyperopia. To throw away OOP for a high level language is insight.

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    Re: Converting a double digit to single digit

    Quote Originally Posted by deane034
    how do you convert a double digit number, to a single digit in C

    say, if you have 34 i want it to convert to,

    3*10 + 4 does anyone know of a ready-made algo (or code)?

    cheers!
    You would need to first convert it into a string, then append the multiplication factor to each digit (char) in the string. The simplest way would involve converting each char back into an integer. There's probably some mathematical way of avoiding the second conversion, but I can't think of it right now.

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