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Re (tilly) 2: (Golf) Per Mutations

by tilly (Archbishop)
on May 04, 2001 at 04:29 UTC ( #77849=note: print w/replies, xml ) Need Help??


in reply to Re: (Golf) Per Mutations
in thread (Golf) Per Mutations

Didn't the rules say arbitrary list? Try this with the list (1,2,3,1) and you get incorrect output.

However here is another 57 char solution that does not suffer from this deficiency.

sub p{ @_?map{my$x=shift;@r=map[$x,@$_],&p;push@_,$x;@r}1..@_:[] }

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