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Re: Golf: Seven segment display

by kikuchiyo (Hermit)
on Jan 18, 2012 at 12:38 UTC ( [id://948539]=note: print w/replies, xml ) Need Help??

in reply to Golf: Seven segment display

Better approach:

sub w{for$;(-2..0){say map{substr' _ _|_ |_| |',2*ord(('u$SR,Z]dmj' +=~/./g)[$_])>>-3*$;&14,3}split//,$_[0]}}

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Re^2: Golf: Seven segment display
by PrakashK (Pilgrim) on Jan 23, 2012 at 20:30 UTC

    Applying the ...=~/./g trick (which you already used once inside the map) again:

    sub w{for$;(-2..0){say map{substr'   _ _|_  |_| |',2*ord(('u$SR,Z]dmj'=~/./g)[$_])>>-3*$;&14,3}$_[0]=~/./g}}

      I think my idea is a "cul-de-sac" but this is a little bit shorter (7 char.).
      sub w{for$;(1005,924745596,341831533){say map{$;>>$_&1?/../?'|':_:$"}m +ap{$_+20,$_,$_+10}$_[0]=~/./g}}
      -- edit: Some explanations about 1005,924745596,341831533

        a few obvious optimizations:

        say map$'&2**$_?$_>9?'|':_:$",map{2 .$_,$_,1 .$_}split!//,"@_"for 1005,924745596,341831533

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