Sorting algorithms/Heapsort: Difference between revisions
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→{{header|Perl 6}}: removed 'is rw'
(Added COBOL, by Steve Williams) |
SqrtNegInf (talk | contribs) m (→{{header|Perl 6}}: removed 'is rw') |
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=={{header|Perl 6}}==
<lang perl6>sub heap_sort ( @list
for ( 0 ..^ +@list div 2 ).reverse -> $start {
_sift_down $start, @list.end, @list;
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}
sub _sift_down ( $start, $end, @list
my $root = $start;
while ( my $child = $root * 2 + 1 ) <= $end {
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