用Java语言实现的各种排序,包括插入排序、冒泡排序、选择排序、Shell排序、快速排序、归并排序、堆排序、SortUtil等。 MxUQ F?@6
插入排序: Wb#<ctM>
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package org.rut.util.algorithm.support; uhnnjI
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import org.rut.util.algorithm.SortUtil; <AiE~l| D
/** 68w~I7D>
* @author treeroot Z-pZyDz
* @since 2006-2-2 {.0I!oWv
* @version 1.0 2^75|Q
*/ KY0<N9{
public class InsertSort implements SortUtil.Sort{ \TnK<83
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/* (non-Javadoc) ;Jb%2?+=!
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) PMX'vA`
*/ m(dW["8D
public void sort(int[] data) { fZS'e{V
int temp; R?,v:S&i7;
for(int i=1;i for(int j=i;(j>0)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-1); ew~uOG+
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} wuxOFlrg
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冒泡排序: ^^24a_+2
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package org.rut.util.algorithm.support; 0F6@aQ\y3
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import org.rut.util.algorithm.SortUtil; ftRdK>a
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/** BeD>y@ it
* @author treeroot Fi 7~JZZ
* @since 2006-2-2 R<hsG%BS(D
* @version 1.0 X+ybgB4(
*/ cG 3tn&AXi
public class BubbleSort implements SortUtil.Sort{ Lpnw(r9Y
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/* (non-Javadoc) #N'9F&:V$
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) s<:);-tL
*/ 33a}M;vx
public void sort(int[] data) { y5D3zqCG
int temp; JDp=w,7LF
for(int i=0;i for(int j=data.length-1;j>i;j--){ 0R0_UvsXU
if(data[j] SortUtil.swap(data,j,j-1); n$h+_xN
} $GQEdVSNo
} ^JY:$)4["
} .b!HEi<F
} ti]8_vP}*
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选择排序: c=a;<,Rzb
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package org.rut.util.algorithm.support; X'%BS
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import org.rut.util.algorithm.SortUtil; 6Bd:R}yZP7
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/** }dqOE-"I"n
* @author treeroot C\;%IGn
* @since 2006-2-2 }N,v&B
* @version 1.0
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*/ '%rn-|)
public class SelectionSort implements SortUtil.Sort { e(OKE7
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/*
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* (non-Javadoc) F4~O-g.<
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* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) '~z`kah
*/ 1-<?EOYaE
public void sort(int[] data) { 9\E];~"iP
int temp; *$JS}Pax
for (int i = 0; i < data.length; i++) { :;LaV
int lowIndex = i; !>+m46A
for (int j = data.length - 1; j > i; j--) { p^p1{%=
if (data[j] < data[lowIndex]) { hu}uc&N)iE
lowIndex = j; &t'P>6)
} @00&J~D
} j.V7`x
SortUtil.swap(data,i,lowIndex); +K2HMf'
} 63t'|9^5
} ;L$l0(OO
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Shell排序: b`cH.v
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package org.rut.util.algorithm.support; 83'rQDo)G
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import org.rut.util.algorithm.SortUtil; | OZ>5
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/** EIg:@o&Jj
* @author treeroot ?8<R)hJa<
* @since 2006-2-2 &##JZ
* @version 1.0 Z^K WYe'w
*/ YPw=iF]
public class ShellSort implements SortUtil.Sort{ %T;VS-f
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/* (non-Javadoc) jq|fIP
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[]) ]*{tno
*/ =;?Maexp3$
public void sort(int[] data) { x51xY$M
for(int i=data.length/2;i>2;i/=2){ H4M`^r@)'
for(int j=0;j insertSort(data,j,i); \#"&S@%c
} q _:7uQ
} /q"8sj/
insertSort(data,0,1); )G#O# Yy
} 3Ea/)EB]
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/** Xcg+ SOB
* @param data Xupwh5G2
* @param j %kQ[zd^
* @param i !\\1#:*_W
*/ 3Z%jx#
private void insertSort(int[] data, int start, int inc) { WxtB:7J
int temp; RTL@WI
for(int i=start+inc;i for(int j=i;(j>=inc)%26amp;%26amp;(data[j] SortUtil.swap(data,j,j-inc); WtMDHfwqu\
} }\W^$e-
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} `2HNQiK'@
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快速排序: i/,IG+4vI
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package org.rut.util.algorithm.support; 'W~6-c9y
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import org.rut.util.algorithm.SortUtil; &>}f\ch/
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/** 9tCF m.m
* @author treeroot b X/%Q^Y
* @since 2006-2-2 -}H
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* @version 1.0 =~k#<q1^
*/ TO]
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public class QuickSort implements SortUtil.Sort{ j[fY.>yt&
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/* (non-Javadoc) xK_0@6
* @see org.rut.util.algorithm.SortUtil.Sort#sort(int[])
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*/ TF@k{_f
public void sort(int[] data) { _Oc\hW
quickSort(data,0,data.length-1); j$z!kd+%
} (Lkcx06e
private void quickSort(int[] data,int i,int j){ =UZQ` {
int pivotIndex=(i+j)/2; X@:@1+U
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SortUtil.swap(data,pivotIndex,j); 1X#gHstD
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int k=partition(data,i-1,j,data[j]); j[:Iu#VR
SortUtil.swap(data,k,j); &W>%E!F
if((k-i)>1) quickSort(data,i,k-1); @dvb%A&Pur
if((j-k)>1) quickSort(data,k+1,j); }#` -mRaU
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} Mqmy*m[U
/** NH8\}nAK
* @param data /)XN^Jwa;m
* @param i n%ZOR1u)k#
* @param j
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* @return %9T|"\
*/ )'$'?Fn
private int partition(int[] data, int l, int r,int pivot) { IoHYY:[-
do{ -W1Apd%>
while(data[++l] while((r!=0)%26amp;%26amp;data[--r]>pivot); <+p{U(
SortUtil.swap(data,l,r); b./MVz
} #]s&[O43
while(l SortUtil.swap(data,l,r); cGv`%
return l; PW"uPn
} JcW<