📄 ds10.3.htm
字号:
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><font color="#FFFFFF"><b><font size="5"><o:p>
</o:p>
</font></b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><b><font size="5" color="#FFFF00">C</font><font color="#FFFFFF" size="5">
若low<high且r[high].key≥r[0].key </font></b></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman; letter-spacing: -.2pt">//从high所指位置向前搜索，至多到low+1位置<o:p>
</o:p>
</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><span style="mso-spacerun: yes"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><b><font size="5"><font color="#FFFFFF">high=high-1；转</font></font><span style="font-family: 宋体; mso-hansi-font-family: Times New Roman" lang="EN-US"><font size="5" color="#FFFF00">C</font></span><font color="#FFFFFF" size="5"><span style="mso-spacerun: yes">
</span></font></b></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman">//寻找r[high].key<r[0].key</span><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:"Times New Roman""><o:p>
</o:p>
</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><span style="mso-spacerun: yes"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">r[low]=r[high]；<span style="mso-spacerun: yes">
</span></font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman">//找到r[high].key<r[0].key，设置high为新支点位置，</span></font></b></font><font size="5" color="#FFFFFF"><b><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman">小于支点记录关键码的记录前移。</span></b></font><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman"><o:p>
</o:p>
</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><b><span style="mso-spacerun: yes; mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman" lang="EN-US"><font size="5" color="#FFFF00">D</font><font size="5" color="#FFFFFF">
</font></span><font size="5" color="#FFFFFF"><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:"Times New Roman""><o:p>
</o:p>
</span></font></b><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><font color="#FFFFFF"><b><font size="5">若low<high且r[low].key<r[0].key
</font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman">//从low所指位置向后搜索，至多到high-1位置<o:p>
</o:p>
</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><span style="mso-spacerun: yes"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><b><font size="5"><font color="#FFFFFF">low=low+1；转</font></font><span style="mso-spacerun: yes"><font size="5" color="#FFFF00">D</font><font color="#FFFFFF" size="5">
</font></span></b></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman">//寻找r[low].key≥r[0].key</span><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:"Times New Roman""><o:p>
</o:p>
</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><span style="mso-spacerun: yes"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">r[high]=r[low]；<span style="mso-spacerun: yes">
</span></font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman">//找到r[low].key≥r[0].key，设置low为新支点位置，</span></font></b></font><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman"><font size="5" color="#FFFFFF"><b>大于等于支点记录关键码的记录后移。</b></font></span><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><font color="#FFFFFF"><b><font size="5"><span style="mso-spacerun: yes">
</span></font></b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman"><font size="5" color="#FFFFFF"><b><span style="mso-spacerun: yes">
</span></b></font></span><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><b><font size="5"><font color="#FFFFFF">转</font></font><span style="mso-spacerun: yes"><font size="5" color="#FFFF00">B</font><font color="#FFFFFF" size="5">
</font></span></b></span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman"><font size="5" color="#FFFFFF"><b><span style="mso-spacerun: yes">
</span></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman"><span style="mso-spacerun: yes">
//</span>继续寻找支点空位<o:p>
</o:p>
</span></font></b></font><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman"><font size="5" color="#FFFFFF"><b><span style="mso-spacerun: yes">
</span></b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-hansi-font-family: Times New Roman"><font size="5" color="#FFFFFF"><b><span style="mso-spacerun: yes">
</span><o:p>
</o:p>
</b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><font color="#FFFF00"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman""><b><font size="5">【算法</font></b></span><b><font size="5"><span lang="EN-US">10.7</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">】</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><font color="#FFFFFF"><b><font size="5">int
Partition(SqList &L,int low,int high) <span style="mso-tab-count:1">
</span>/*</font></b></font></span><font color="#FFFFFF"><b><font size="5"><span style="font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">一趟快排序</span><span lang="EN-US">*/</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><font size="5" color="#FFFFFF"><b><span lang="EN-US">{<span style="mso-spacerun: yes">
</span></span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">交换顺序表L中子表</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">r[low</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">…</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">high]</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">的记录,使支点记录到位，并反回其所在位置</span><span style="mso-bidi-font-size: 10.0pt" lang="EN-US">;*/</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><font size="5" color="#FFFFFF"><b><span style="mso-bidi-font-size: 10.0pt" lang="EN-US">
/* </span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">此时，在它之前</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">(</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">后</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">)</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">的记录均不大</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">(</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">小</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">)</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">于它</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/<o:p>
</o:p>
</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:1"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">L.r[0]=L.r[low];<span style="mso-spacerun: yes">
</span></font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">以子表的第一个记录作为支点记录</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:1"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">pivotkey=L.r[low].key;<span style="mso-spacerun: yes">
</span></font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">取支点记录关键码</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:1"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">while(low<high)</font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">
<span style="mso-tab-count:3">
</span>/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">从表的两端交替地向中间扫描</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:1"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">{<span style="mso-tab-count:1">
</span>while(low<high&&L.r[high].key>=pivotkey)<span style="mso-spacerun: yes">
</span><span style="mso-spacerun: yes">--</span>high;</font></b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:2"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">L.r[low]=L.r[high];
</font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US">
</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">将比支点记录小的交换到低端</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:2"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">while(low<high&&L.r[low].key<=pivotkey)<span style="mso-spacerun: yes">
</span>++low;</font></b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:2"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">L.r[high]=L.r[low];
</font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">将比支点记录大的交换到低端</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:1"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">}</font></b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:1"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">L.r[low]=L.r[0];<span style="mso-spacerun: yes">
</span></font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">支点记录到位</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-tab-count:1"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">return low;<span style="mso-spacerun: yes">
</span></font></b></font></span><font color="#FFFFFF"><b><font size="5"><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*</span><span style="mso-bidi-font-size: 10.0pt; font-family: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman">反回支点记录所在位置</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></font></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><font size="5" color="#FFFFFF"><b>}</b></font></span></p>
<p class="MsoNormal"><span style="font-family:宋体;mso-hansi-font-family:"Times New Roman""><font color="#FFFFFF" size="5"><b>【例<span lang="EN-US">10.5】一趟快排序过程示例<o:p>
</o:p>
</span></b></font></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><font size="5" color="#FFFFFF">r[1] r[2] r[3] r[4]
r[5] r[6] r[7] r[8] r[9] r[10]<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>存储单元<o:p>
</o:p>
</font></span></b></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><font size="5" color="#FFFFFF"> 49<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>14<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>38<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>74<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>96<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>65<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>8<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span><u>49</u><span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>55<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>27<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>记录中关键码<o:p>
</o:p>
</font></span></b></p>
<p class="MsoNormal"><font color="#FFFFFF" size="5"><b><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman"">low=1；high=10； 设置两个搜索指针，
r[0]=r[low]；<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
</span>支点记录送辅助单元，<o:p>
</o:p>
</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><b><span lang="EN-US" style="font-family:宋体;mso-hansi-font-family:
"Times New Roman""><font size="5" color="#FFFFFF">□<span style="mso-spacerun: yes; font-family: 宋体; mso-hansi-font-family: Times New Roman">
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -