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Re: Algorithm help

by Anonymous Monk
on Jan 09, 2001 at 22:34 UTC ( #50728=note: print w/ replies, xml ) Need Help??

in reply to Algorithm help
in thread Search Algorithm

@fruit=qw(apples oranges pears); for $f0 (@fruit){ for $f1( "",@fruit ){ print "$f0$f1\n" unless $f0 eq $f1; }}

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Re: Re: Algorithm help
by eg (Friar) on Jan 09, 2001 at 23:26 UTC

    Here's the same thing, except using nested maps. Is there a way to do this in just one pass?

    my @fruit = qw/ apples oranges pears /; my @salad = mix_up( @fruit ); print join(', ', @salad), "\n"; sub mix_up { return map { my $tmp=$_; map { $tmp eq $_ ? $_ : "$tmp$_" } @_; } +@_; }

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