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快速排序: Do*n#=
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package org.rut.util.algorithm.support; [uR/M
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import org.rut.util.algorithm.SortUtil; 4tJa-7
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/** 8&E}n(XE
* @author treeroot kMxjS^fr
* @since 2006-2-2 Gvx[8I
* @version 1.0 _x % 1 F
*/ *Km7U-BG
public class QuickSort implements SortUtil.Sort{ yA;W/I4
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/* (non-Javadoc) 8;n_TMb
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 6E^~n
*/ &88oB6$D^q
public void sort(int[] data) { ?+`xe{k
quickSort(data,0,data.length-1); \dkOK`)b
} D7Zm2Kj
private void quickSort(int[] data,int i,int j){ Z8&'f,
int pivotIndex=(i+j)/2; DWf$X1M
//swap 0=![fjm
SortUtil.swap(data,pivotIndex,j); O4Dr ]Xc]
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int k=partition(data,i-1,j,data[j]); g}Qx`65:
SortUtil.swap(data,k,j); l\Xd.H" j,
if((k-i)>1) quickSort(data,i,k-1); ycX{NDGs
if((j-k)>1) quickSort(data,k+1,j); d`%Mg&