$$&.}}.,
+s"6[\H1d
快速排序: -,p=;t#(
ZcyGLg0I
package org.rut.util.algorithm.support; 7>F{.\Z
+>vKI8g*RH
import org.rut.util.algorithm.SortUtil; * zyik[o
)hj:Xpj9#
/** E
BBd
* @author treeroot 4m1r@
$
* @since 2006-2-2 lNa+NtQu
* @version 1.0 mJ k\$/Kh
*/ 1d]F$>
public class QuickSort implements SortUtil.Sort{ \'*M
}G
K SOD(
/* (non-Javadoc) x6s|al
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) 'D
?o^
*/ g]2L[4
public void sort(int[] data) { l$/lbwi%
quickSort(data,0,data.length-1); wL
4Y%g
} '= fk;AiQ
private void quickSort(int[] data,int i,int j){ sAL
]N][Y
int pivotIndex=(i+j)/2; N6}/TbfAR
//swap H%>4z3n
SortUtil.swap(data,pivotIndex,j); <TRhn z
5j1d=h
int k=partition(data,i-1,j,data[j]); IyyBW2
SortUtil.swap(data,k,j); KBN% TqH|
if((k-i)>1) quickSort(data,i,k-1); 9T24dofkJ
if((j-k)>1) quickSort(data,k+1,j); sEdz`F
vb6EO[e%I
} F1L[3D^-
/** !!^z6jpvn
* @param data <dH@e
* @param i *<