[NBLUG/talk] OT: First 500 prime numbers

[Steve Zimmerman]

Mind-bogglingly hack-ilicious!  Thanks, Rob!
:-)

	-- Steve Zimmerman	

On Thursday 05 June 2003 04:33 pm, you wrote:
> Opps!  Sorry, that was all the primes under 10.  THIS is what you wanted:
>
> /*
>   * prime.c -- a failed attempt to print a table of first ten primes
>   * NOTE: This program just prints out 3 4 5 6 7 8 9 10 11 12
>   * To nblug folks: please help, if you can.
>   */
>
> #include <stdio.h>
>
> int main()
> {
>          int i;
>          int num = 3;
>          int prime_counter = 0;
>          int prime[10];
>          int is_prime;
>
>          while (prime_counter < 10)
>          {
>
>            is_prime=1;
>
>                  for (i = 2; i < num; i++)
>                  {
>                          if ((num % i) == 0)
>                          {
>                            is_prime=0;
>                                  break;
>                          }
>                          else
>                                  continue;
>                  }
>
>                  if ( is_prime==1 )
>                  {
>                    prime[prime_counter] = num;
>                    prime_counter++;
>                  }
>
>                  num++;
>          }
>
>          for (i = 0; i < prime_counter; i++)
>                  printf("%d ", prime[i]);
>
>          printf("\n");
>
>          return 0;
> }
>
> At 04:28 PM 6/5/2003 -0700, you wrote:
> >At 04:12 PM 6/5/2003 -0700, you wrote:
> >>Once more, with feeling  ;-)   :
> >> > > I'm trying to make a program in C that prints out a table
> >> > > of the first 10 prime numbers, in an endeavor to eventually
> >> > > create a program that prints out the first 500 prime numbers
> >> > > (Knuth, v1, p. 147).  So far I am without success.  The file is
> >
> >Here's what I came up with.  Seems to work although I'm not sure if it's
> >the empirical (fastest,cleanest) solution :-)
> >
> >/*
> >  * prime.c -- a failed attempt to print a table of first ten primes
> >  * NOTE: This program just prints out 3 4 5 6 7 8 9 10 11 12
> >  * To nblug folks: please help, if you can.
> >  */
> >
> >#include <stdio.h>
> >
> >int main()
> >{
> >         int i;
> >         int num = 3;
> >         int prime_counter = 0;
> >         int prime[10];
> >         int is_prime;
> >
> >         while (num < 10)
> >         {
> >
> >           is_prime=1;
> >
> >                 for (i = 2; i < num; i++)
> >                 {
> >                         if ((num % i) == 0)
> >                         {
> >                           is_prime=0;
> >                                 break;
> >                         }
> >                         else
> >                                 continue;
> >                 }
> >
> >                 if ( is_prime==1 )
> >                 {
> >                   prime[prime_counter] = num;
> >                   prime_counter++;
> >                 }
> >
> >                 num++;
> >         }
> >
> >         for (i = 0; i < prime_counter; i++)
> >                 printf("%d ", prime[i]);
> >
> >         printf("\n");
> >
> >         return 0;
> >}
> >_______________________________________________
> >talk mailing list
> >talk at nblug.org
> >http://nblug.org/mailman/listinfo/talk
>
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-- 
Steve Zimmerman