>E7s}bL"
|['SiO$)
快速排序: Spw^h=o
usNq]
package org.rut.util.algorithm.support; 2eRv{_
Xyu0np;@
import org.rut.util.algorithm.SortUtil; [s[!PlazX
WOeG3jMz?
/** fo=@ X>S
* @author treeroot FzOlM-)m
* @since 2006-2-2 .]0:`Y,;
* @version 1.0 Uw?25+[b
*/ yO/'}FD
public class QuickSort implements SortUtil.Sort{ g7w#;E
*'BI=*`
/* (non-Javadoc) pJ
x H
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) q&&uX-ez5W
*/ ,g 1~4,hqQ
public void sort(int[] data) { VVEJE$
quickSort(data,0,data.length-1); ]M 2n%9
} #<@_mbQ@|K
private void quickSort(int[] data,int i,int j){ Uh XVeGO
int pivotIndex=(i+j)/2; <'jygZ(
//swap #sv:)p
SortUtil.swap(data,pivotIndex,j); uF{l`|b'
<vzU}JA\
int k=partition(data,i-1,j,data[j]); =I9hGj6
SortUtil.swap(data,k,j); XM3~]
if((k-i)>1) quickSort(data,i,k-1); &?I3xzvK
if((j-k)>1) quickSort(data,k+1,j); BwYR"
H?
%I((+
} ]vuxeu[cu,
/** djn<