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( [id://3333]=superdoc: print w/replies, xml ) Need Help??
Alternately, one could use a binary search to find where to insert and then insert. The binary search has O(log N) time.

sub crop_binary_insert { my ($a, $x) = @_; my ($min, $max) = (0, $#{$a}); return if ($a->[-1] >= $x); # don't bother to insert if we don't hav +e to while ($min != $max) { my $mid = int( ($min + $max)/2 ); if ($a->[$mid] > $x) { $min = $mid+1; } else { $max = $mid; } } pop @$a; splice @$a, $min, 0, $x; }

update: fixed up indention slightly.

update 2: s/\$i/\$mid/ (Oops! Thanks to petral.)


In reply to Re: crop-sort: Maintaining a Top-10 Array by wog
in thread crop-sort: Maintaining a Top-10 Array by japhy

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