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From: Bill <findme AT hotmail>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: random() : What am I doing wrong?
Date: Tue, 04 Sep 2007 15:30:36 -0400
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MikeC wrote:
> Folks,
> 
> Here's an open invitation to make me feel foolish!
> 
> Here's the program :
> 
> #include <time.h>
> #include <stdlib.h>
> 
> main()
> { long lng;
> 
>   lng = rawclock();
>   printf("\nClock = %ld - ", lng);
>   srand(lng);
>   printf("Random numbers = %ld;  %ld;  %ld",random(),random(),random());
> }
> 
> The idea is to seed the random number generator from the clock, so that the 
> first call to random() will always produce a different result.
> 
> When I run the program several times, here's what it yields :
> 
> Clock = 1392294 - Random numbers = 1027100827;  143302914;  2078917053
> Clock = 1393105 - Random numbers = 1027100827;  143302914;  2078917053
> Clock = 1393314 - Random numbers = 1027100827;  143302914;  2078917053
> Clock = 1393420 - Random numbers = 1027100827;  143302914;  2078917053
> Clock = 1393471 - Random numbers = 1027100827;  143302914;  2078917053
> Clock = 1393512 - Random numbers = 1027100827;  143302914;  2078917053
> Clock = 1393548 - Random numbers = 1027100827;  143302914;  2078917053
> 
> The 'random' numbers are the same every time I run the program, yet they are 
> being seeded be a clock value that is different each time.  I guess the wood 
> is there somewhere, but the trees are getting in the way.
> 
> Incidentally, I'm running Windows 2000, SP4.
> 
> Advance thanks,
> 
> MikeC.

What about if I want to generate numbers in the range of 1 through 50? 
How do I specify my range?

Thanks,
Bill