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Re: Golf: Selection from sets (Choose)

by no_slogan (Deacon)
on May 25, 2001 at 00:42 UTC ( #83129=note: print w/ replies, xml ) Need Help??

in reply to Golf: Selection from sets (Choose)

46 characters, passes strict and -w. I wouldn't suggest running it with that sample data without Memoize, unless you have a lot of time to kill.

sub c{ my($m,$n)=@_;$n?$m?c($m-1,$n)+c($m-1,$n-1):0:1 }

Update: We can squeeze a couple more characters out of that...

sub c{ my($m,$n)=@_;$n?$m--?c($m,$n)+c($m,$n-1):0:1 }

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