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Re: Factorial and large numbers.

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Markus Laire
August 8, 2002 14:28
Re: Factorial and large numbers.
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>>$z=pop;sub g{vec"\x10\xd7\xa9\x98b\xef",pop,2}
>>print$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

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' <>

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