cont int MAX = 10005; bool isPrime[MAX]; void sieve() { int lim=sqrt(MAX);
/* Initially Mark all numbers as Prime */ for(int i=2;i<MAX;i++) isPrime[i]=1; for(int i=2;i<=lim;i++) if(isPrime[i]) /* for each Prime */ for(int j=2*i;j<MAX;j+=i) /* Cross out all multiples of i */ isPrime[j]=false; } On Mon, Mar 21, 2011 at 5:41 PM, rohit <scofiel...@rediffmail.com> wrote: > i just want to know , when we make a program how update array after > deleting alternate element. > > On Mar 21, 4:37 pm, Anurag atri <anu.anurag....@gmail.com> wrote: > > what did you not understand in this ? > > > > On Mon, Mar 21, 2011 at 4:59 PM, rohit <scofiel...@rediffmail.com> > wrote: > > > genrate prime number using Sieve of Eratosthenes method > > > explanation is herehttp://en.wikipedia.org/wiki/Sieve_of_Eratosthenes > > > pls help me out > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Algorithm Geeks" group. > > > To post to this group, send email to algogeeks@googlegroups.com. > > > To unsubscribe from this group, send email to > > > algogeeks+unsubscr...@googlegroups.com. > > > For more options, visit this group at > > >http://groups.google.com/group/algogeeks?hl=en. > > > > -- > > Regards > > Anurag Atri > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.