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快速排序: :<%q9)aPf`
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package org.rut.util.algorithm.support; AgsMk
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import org.rut.util.algorithm.SortUtil; {cF7h)j
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/** {IeW~S'&
* @author treeroot $'f<4
* @since 2006-2-2 bQ-5uFe~$B
* @version 1.0 }b9#.H9
*/ @:@0}]%z9
public class QuickSort implements SortUtil.Sort{ ,L+tm>I
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/* (non-Javadoc) A9!gww
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) eNlE]W,=
*/ xMsos?5}
public void sort(int[] data) { w5l:^^zF(
quickSort(data,0,data.length-1); K\&A}R
} {xw*H<"f<
private void quickSort(int[] data,int i,int j){ D[)")xiG
int pivotIndex=(i+j)/2; &*
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//swap &XosDt
SortUtil.swap(data,pivotIndex,j); A>6b
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int k=partition(data,i-1,j,data[j]); 9i)E<.6
SortUtil.swap(data,k,j); LxkToO{
if((k-i)>1) quickSort(data,i,k-1); 3,j)PKf
;
if((j-k)>1) quickSort(data,k+1,j); M/5e4b
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