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Re: Golf: Factorials -- 33 but i like it -- (0!=1) or i got 30

by Discipulus (Canon)
on Dec 14, 2015 at 12:20 UTC ( [id://1150222]=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub fact{
            (map{$_[0]*=$_}1..$_[0]-1)[-1]||1   # 33
...


}
  2. or download this
    perl -e "sub fact{$x=$_;$x<0?'E':(map{$x*=$_}1..$x-1)[-1]||1} print ma
+p{fact($_),qq(\n)}@ARGV " 0 1 3 -1

...
6
E

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