From:

Date:

August 8, 2002 14:28Subject:

Re: Factorial and large numbers.Message ID:

3D530C95.32096.2BFFD63@localhost>>$z=pop;sub g{vec"\x10\xd7\xa9\x98b\xef",pop,2} >>print$z<2||(1+g$z%25)*(1,3,2,4)[g 24-$z/25%25]*6*(1+g$z/625)%10,$/ >> Has anyone else tried lookup instead of computing n!. I'd like to >> know shortest possible solution for this sub-problem also. > For a general direct method, see > http://www.mathpages.com/home/kmath489.htm That seems to be allmost the same lookup method I came up with, except that it uses unnecessary large table (100 items instead of 25) and base 5 instead of 25 which doubles the steps. -- Markus Laire 'malaire' <markus.laire@nic.fi>Thread Previous | Thread Next

- Factorial and large numbers. by Tor Hildrum
- Re: Factorial and large numbers. by Markus Laire
- Re: Factorial and large numbers. by perl-golf
**Re: Factorial and large numbers.**by Markus Laire- Re: Factorial and large numbers. by Stephen Turner
- Re: Factorial and large numbers. by Eugene van der Pijll
- Re: Factorial and large numbers. by Tor Hildrum

nntp.perl.org: Perl Programming lists via nntp and http.

Comments to Ask Bjørn Hansen at ask@perl.org | Group listing | About