Esempio n. 1
0
func QuickSort(arr *array.List, left int, right int, fn SelectPivot) {
	if (right - left) <= 0 {
		return
	}

	pvt := fn(left, right)
	if pvt != right {
		arr.Swap(pvt, right)
	}

	divider := Partition(arr, left, right)
	QuickSort(arr, left, divider-1, fn)
	QuickSort(arr, divider+1, right, fn)
}
Esempio n. 2
0
func Partition(arr *array.List, left, right int) int {
	i := left - 1
	j := i + 1
	for j < right {
		if ret, _ := arr.Compare(j, right); ret < 0 {
			i += 1
			arr.Swap(i, j)
			j += 1
		} else {
			j += 1
		}
	}
	arr.Swap(right, i+1)
	return i + 1
}