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package org.rut.util.algorithm.support; L,f^mX0<
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import org.rut.util.algorithm.SortUtil; XSD"/_xD
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/** ZCj>MA
* @author treeroot *oKgP8CF
* @since 2006-2-2 IvPA|8(
* @version 1.0 B8`R(vu;
*/ MacL3f
public class QuickSort implements SortUtil.Sort{ [O.LUR;
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/* (non-Javadoc) /,=Wy"0TJ
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) e!TG< (S
*/ 5hlJbWJa
public void sort(int[] data) { `'dX/d
quickSort(data,0,data.length-1); @\#'oIc|
} B.{8/.4
private void quickSort(int[] data,int i,int j){ l_UXrnm/N
int pivotIndex=(i+j)/2; '2;Ny23
//swap $0S.@wUG
SortUtil.swap(data,pivotIndex,j); e{c._zr,
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int k=partition(data,i-1,j,data[j]); U{j5kX
SortUtil.swap(data,k,j); ;4+qPWwq8W
if((k-i)>1) quickSort(data,i,k-1); ]H@v
if((j-k)>1) quickSort(data,k+1,j); L&