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package org.rut.util.algorithm.support; H1-eMDe
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import org.rut.util.algorithm.SortUtil; vY!'@W
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/** J3c8WS{:
* @author treeroot NM4b]>
* @since 2006-2-2 CZw]@2/JuQ
* @version 1.0 nj6|WJ
*/ <CGABlZ
public class QuickSort implements SortUtil.Sort{ @ ('/NjTZ
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/* (non-Javadoc) M6XpauR-
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ^]X\boWlI
*/ 5aJd:36I
public void sort(int[] data) { _p;=]#+c&
quickSort(data,0,data.length-1); T.pc3+B8N
} A^vvw~!d
private void quickSort(int[] data,int i,int j){ 0$=w8tP)
int pivotIndex=(i+j)/2; K(}g!iT)~
//swap raJv$P
SortUtil.swap(data,pivotIndex,j); UZx8ozv'
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int k=partition(data,i-1,j,data[j]); R3hyz~\x&
SortUtil.swap(data,k,j); Dy|)u1?
if((k-i)>1) quickSort(data,i,k-1); ):7mK03J
if((j-k)>1) quickSort(data,k+1,j); ,vB~9^~
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} @7`=0;g
/** v@QfxV2
* @param data 9w dl1QS
* @param i 1<;G
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* @param j vbEO pYCS
* @return <