📄 xtjd10.htm
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lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
p=0;x=L.r[i].key;<br>
while(L.r[L.r[p].next].key<x&&L.r[p].next)<br>
p=L.r[p].next;<br>
q=L.r[p].next;<br>
L.r[p].next=i;<br>
L.r[i].next=q;<br>
}//for<br>
p=L.r[0].next;<br>
for(i=1;i<L.length;i++) //</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>重排记录的位置</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
while(p<i) p=L.r[p].next;<br>
q=L.r[p].next;<br>
if(p!=i)<br>
{<br>
L.r[p]<->L.r[i];<br>
L.r[i].next=p;<br>
}<br>
p=q;<br>
}//for<br>
}//SLInsert_Sort <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>10.26
<o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>void
Bubble_Sort1(int a[ ],int n)//</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>对包含</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>n</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>个元素的数组</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>a</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>进行改进的冒泡排序</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
change=n-1; //change</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>指示上一趟冒泡中最后发生交换的元素</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
while(change)<br>
{<br>
for(c=0,i=0;i<change;i++)<br>
if(a[i]>a[i+1])<br>
{<br>
a[i]<->a[i+1];<br>
c=i+1; //c</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>指示这一趟冒泡中发生交换的元素</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
}<br>
change=c;<br>
}//while<br>
}//Bubble_Sort1 <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>10.27
<o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>void
Bubble_Sort2(int a[ ],int n)//</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>相邻两趟是反方向起泡的冒泡排序算法</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
low=0;high=n-1; //</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>冒泡的上下界</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
change=1;<br>
while(low<high&&change)<br>
{<br>
change=0;<br>
for(i=low;i<high;i++) //</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>从上向下起泡</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
if(a[i]>a[i+1])<br>
{<br>
a[i]<->a[i+1];<br>
change=1;<br>
}<br>
high--; //</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>修改上界</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
for(i=high;i>low;i--) //</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>从下向上起泡</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
if(a[i]<a[i-1])<br>
{<br>
a[i]<->a[i-1];<br>
change=1;<br>
}<br>
low++; //</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>修改下界</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
}//while<br>
}//Bubble_Sort2 <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>10.28
<o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>void
Bubble_Sort3(int a[ ],int n)//</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>对上一题的算法进行化简</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>,</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>循环体中只包含一次冒泡</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
int b[ 3 ]; //b[0]</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>为冒泡的下界</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>,b[
2 ]</span><span style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>为上界</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>,b[1]</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>无用</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
d=1;b[0]=0;b[ 2 ]=n-1; //d</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>为冒泡方向的标识</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>,1</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>为向上</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>,-1</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>为向下</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
change=1;<br>
while(b[0]<b[ 2 ]&&change)<br>
{<br>
change=0;<br>
for(i=b[1-d];i!=b[1+d];i+=d) //</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>统一的冒泡算法</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
if((a[i]-a[i+d])*d>0) //</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>注意这个交换条件</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
a[i]<->a[i+d];<br>
change=1;<br>
}<br>
b[1+d]-=d; //</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>修改边界</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
d*=-1; //</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>换个方向</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
}//while<br>
}//Bubble_Sort3 <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>10.29
<o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>void
OE_Sort(int a[ ],int n)//</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>奇偶交换排序的算法</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
change=1;<br>
while(change) <br>
{<br>
change=0;<br>
for(i=1;i<n-1;i+=2) //</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>对所有奇数进行一趟比较</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
if(a[i]>a[i+1])<br>
{<br>
a[i]<->a[i+1];<br>
change=1;<br>
}<br>
for(i=0;i<n-1;i+=2) //</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>对所有偶数进行一趟比较</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
if(a[i]>a[i+1])<br>
{<br>
a[i]<->a[i+1];<br>
change=1;<br>
}<br>
}//while<br>
}//OE_Sort <br>
</span><span style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>分析</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>:</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>本算法的结束条件是连续两趟比较无交换发生</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>10.30
<o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>typedef
struct {<br>
<span style="mso-spacerun: yes">
</span>
int low;<br>
<span style="mso-spacerun: yes">
</span>
int high;<br>
<span style="mso-spacerun: yes">
</span> }
boundary; //</span><span style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>子序列的上下界类型</span><span
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'> <span
lang=EN-US><o:p></o:p></span></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>void
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