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Re: printing largest hash value

by thedoe (Monk)
on Feb 22, 2005 at 03:42 UTC ( #433236=note: print w/replies, xml ) Need Help??

in reply to printing largest hash value

Why not just do the simple way:

my %hash = ( red => 2, pink => 1, orange => 4, black => 3, blue => 4 ); my ($max, @maxKeys); for (keys %hash) { $max = $hash{$_} unless $max; if ($hash{$_} > $max) { @maxKeys = ($_); $max = $hash{$_}; } elsif ($hash{$_} == $max) { push @maxKeys, $_; } } print "$_: $hash{$_}\n" for @maxKeys;

This will only touch each value once, which is necessary anyway for this type of problem, giving you a O(N) solution.

Update: My bad, didn't see the part about printing the keys and values, so I have updated my code accordingly.

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