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Re: Golf for unique digits

by davido (Archbishop)
on Jan 10, 2013 at 09:34 UTC ( #1012630=note: print w/replies, xml ) Need Help??

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  1. or download this
    perl -lnE'@h{/./g}--;say~~keys%h'
    
  2. or download this
    perl -lnE'say~~s/(.)(?!.*\1)//g'
    

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