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Mail Archives: djgpp/1998/11/29/19:07:14

From: "Richard Pett" <rpett AT sparky DOT niwa DOT cri DOT nz>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Randomizing
Date: Mon, 30 Nov 1998 11:08:40 +1300
Organization: National Insitute of Water and Atmosphere (http://www.niwa.cri.nz)
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Message-ID: <73sgr5$j64$1@clam.niwa.cri.nz>
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    Lazer ---=A4--- wrote in message =
<000701be197f$f2d2e100$79f5ffc2 AT default>...
    Would anyone show me how to use rand()!!
    =20
    I nede to get it to chose from 2 numbers
    =20
    i've tryed this:
    =20
    ***********************************
    #include <stdio.h>
    =20
    int main()
    {
    int my_number;
    my_number=3Drand()%2;
    printf("%d", my_number);
    }
    ***********************************
    =20
    It always print 0 on the screen
    =20
    Thanks!!
    =20
    ---> Lazer
   =20
    my_number=3Drand()*2 usually works for me.
   =20
    Richard Pett (r DOT pett AT niwa DOT cri DOT nz)
    National Institute of Water and Atmospheric Research
    NIWA, Box 8602                     Phone +64 3 3488987
    Christchurch, New Zealand     Fax   +64 3 3485548

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>

<META content=3Dtext/html;charset=3Diso-8859-1 =
http-equiv=3DContent-Type><!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 =
HTML//EN">
<META content=3D'"MSHTML 4.72.2106.6"' name=3DGENERATOR>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV>&nbsp;</DIV>
<BLOCKQUOTE=20
style=3D"BORDER-LEFT: #000000 solid 2px; MARGIN-LEFT: 5px; PADDING-LEFT: =
5px">
    <DIV>Lazer ---&curren;---<LAZER_HASSING AT YAHOO DOT COM> wrote in message=20
    &lt;000701be197f$f2d2e100$79f5ffc2 AT default&gt;...</DIV>
    <DIV><FONT size=3D2>Would anyone show me how to use =
rand()!!</FONT></DIV>
    <DIV><FONT size=3D2></FONT>&nbsp;</DIV>
    <DIV><FONT size=3D2>I nede to get it to chose from 2 =
numbers</FONT></DIV>
    <DIV><FONT size=3D2></FONT>&nbsp;</DIV>
    <DIV><FONT size=3D2>i've tryed this:</FONT></DIV>
    <DIV><FONT size=3D2></FONT>&nbsp;</DIV>
    <DIV><FONT size=3D2>***********************************</FONT></DIV>
    <DIV><FONT size=3D2>#include &lt;stdio.h&gt;</FONT></DIV>
    <DIV><FONT size=3D2></FONT>&nbsp;</DIV>
    <DIV><FONT size=3D2>int main()</FONT></DIV>
    <DIV><FONT size=3D2></FONT><FONT color=3D#000000 =
size=3D2>{</FONT></DIV>
    <DIV><FONT size=3D2>int my_number;</FONT></DIV>
    <DIV><FONT size=3D2>my_number=3Drand()%2;</FONT></DIV>
    <DIV><FONT size=3D2>printf(&quot;%d&quot;, my_number);</FONT></DIV>
    <DIV><FONT color=3D#000000 size=3D2>}</FONT></DIV>
    <DIV><FONT color=3D#000000=20
    size=3D2>***********************************</FONT></DIV>
    <DIV><FONT color=3D#000000 size=3D2></FONT>&nbsp;</DIV>
    <DIV><FONT color=3D#000000 size=3D2>It always print 0 on the =
screen</FONT></DIV>
    <DIV><FONT color=3D#000000 size=3D2></FONT>&nbsp;</DIV>
    <DIV><FONT color=3D#000000 size=3D2>Thanks!!</FONT></DIV>
    <DIV><FONT color=3D#000000 size=3D2></FONT>&nbsp;</DIV>
    <DIV><FONT color=3D#000000 size=3D2>---&gt; Lazer</FONT></DIV>
    <DIV><FONT color=3D#000000 size=3D2></FONT>&nbsp;</DIV>
    <DIV><FONT color=3D#000000 size=3D2>my_number=3Drand()*2 usually =
works for=20
    me.</FONT></DIV>
    <DIV><FONT color=3D#000000 size=3D2></FONT>&nbsp;</DIV>
    <DIV><FONT color=3D#000000 size=3D2>Richard Pett (<A=20
    =
href=3D"mailto:r DOT pett AT niwa DOT cri DOT nz">r DOT pett AT niwa DOT cri DOT nz</A>)<BR>National=20
    Institute of Water and Atmospheric Research<BR>NIWA, Box=20
    =
8602&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
    Phone +64 3 3488987<BR>Christchurch, New =
Zealand&nbsp;&nbsp;&nbsp;&nbsp;=20
    Fax&nbsp;&nbsp; +64 3 =
3485548</FONT></DIV></BLOCKQUOTE></BODY></HTML>

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