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32 lines (32 loc) · 812 Bytes
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code.js
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32 lines (32 loc) · 812 Bytes
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tracer._print('original array = [' + D.join(', ') + ']');
tracer._sleep(1000);
tracer._pace(500);
function quicksort(low, high) {
if (low < high) {
var p = partition(low, high);
quicksort(low, p - 1);
quicksort(p + 1, high);
}
}
function partition(low, high) {
var pivot = D[high];
tracer._selectSet([low, high]);
var i = low;
for (var j = low; j < high; j++) {
if (D[j] <= pivot) {
var temp = D[i];
D[i] = D[j];
D[j] = temp;
tracer._notify(i, j);
i++;
}
}
var temp = D[i];
D[i] = D[high];
D[high] = temp;
tracer._notify(i, high);
tracer._deselectSet([low, high]);
return i;
}
quicksort(0, D.length - 1);
tracer._print('sorted array = [' + D.join(', ') + ']');