From: "Winston Kotzan" <WINZ AT prodigy DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Random number
Date: Sat, 18 Sep 1999 20:51:03 -0500
Organization: Prodigy Internet http://www.prodigy.com
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References: <37E3E460 DOT E60AAC43 AT pepparkakor DOT demon DOT nl>
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

The way I use to create random numbers is using the rand() function.  The
syntax is:

rand() % number

You can use a variable to catch the generated number:

variable = rand() % number

The value of the generated number (variable), will be 1 less than number.

Roger <roger AT pepparkakor DOT demon DOT nl> wrote in message
news:37E3E460 DOT E60AAC43 AT pepparkakor DOT demon DOT nl...
> Hi,everyone.
>
> I have a problem with random number.I try this:
>
> First I make a class:
>
> class Number
> {
> public:
> Number() {srandom((unsigned)time(0));}
> Number(unsigned seed) {srandom(seed);}
> int MyNumber(int min,int max)
> {
> if (max<0)max=0;
> if((min==max) && (min=0))return 0;
> return random()%(max-min+1)+min;
> }
> };
>
> then in my program i do a loop,like this:
>
> for(p=1;p<10;++p)
> {
> Number random;
> C[p]=random.MyNumber(0,100);
> }
>
> And I got every time same number on all C's!!
>
> Why? I have read everything on the net and in my book,and i can't solve
> it.
>
> Thanks for a wonderful list
>
>
>
>