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Re: N Permutations of M Items

by I0 (Priest)
on Dec 20, 2002 at 03:38 UTC ( #221358=note: print w/ replies, xml ) Need Help??


in reply to N Permutations of M Items

$_=shift||"ciolnaot"; my $s = join'?',(sort split//),""; while( <> ){ chomp; next unless length == 4; my $t=join'',sort split//; print "$_\n" if $t=~/^$s$/; }


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