cs3da.htm

文章说明的程序设计

</span></b></p>
<p class="MsoPlainText" style="text-indent: 21.25pt; line-height: 150%; margin-left: 21.25pt"><b style="mso-bidi-font-weight:normal"><span style="mso-spacerun: yes; font-size: 9.0pt; mso-bidi-font-size: 10.5pt; font-family: Times New Roman; mso-bidi-font-family: Courier New; mso-font-kerning: 8.0pt" lang="EN-US">&nbsp; 
</span></b><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:8.0pt"><span style="mso-spacerun: yes">&nbsp;</span><i style="mso-bidi-font-style:normal">q</i> 
= <i style="mso-bidi-font-style:normal">p</i></span><span style="font-size:9.0pt;
mso-bidi-font-size:10.5pt">→</span><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;">link</span></i><b style="mso-bidi-font-weight:
normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;
font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;">;<span style="mso-spacerun: yes">&nbsp; 
</span></span></b><i style="mso-bidi-font-style:
normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;
font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:
8.0pt">p</span></i><span style="font-size:9.0pt;mso-bidi-font-size:10.5pt">→</span><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="font-size:9.0pt;
mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:
&quot;Courier New&quot;">link </span></i><span lang="EN-US" style="font-size:9.0pt;
mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:
&quot;Courier New&quot;">=<i style="mso-bidi-font-style:normal"> pr</i><b style="mso-bidi-font-weight:normal">;<span style="mso-tab-count:4">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</span></b>//</span><span style="font-size:9.0pt;mso-bidi-font-size:10.5pt;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">链指针</span><i style="mso-bidi-font-style:
normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;
font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:
8.0pt">p</span></i><span style="font-size:9.0pt;mso-bidi-font-size:10.5pt">→</span><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="font-size:9.0pt;
mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:
&quot;Courier New&quot;">link</span></i><span style="font-size:9.0pt;mso-bidi-font-size:
10.5pt;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">逆转指向</span><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="font-size:9.0pt;
mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:
&quot;Courier New&quot;">pr</span></i><b style="mso-bidi-font-weight:normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;"><o:p>
</o:p>
</span></b></p>
<p class="MsoPlainText" style="text-indent: 21.25pt; line-height: 150%; margin-left: 21.25pt"><b style="mso-bidi-font-weight:normal"><span style="mso-spacerun: yes; font-size: 9.0pt; mso-bidi-font-size: 10.5pt; font-family: Times New Roman; mso-bidi-font-family: Courier New" lang="EN-US">&nbsp;&nbsp; 
</span></b><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="font-size:9.0pt;
mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:
&quot;Courier New&quot;">pr</span></i><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:
10.5pt;font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;"> 
= <i style="mso-bidi-font-style:normal">p</i><b style="mso-bidi-font-weight:normal">;<span style="mso-spacerun: yes">&nbsp; 
</span></b><i style="mso-bidi-font-style:normal">p</i> = <i style="mso-bidi-font-style:normal">q</i><b style="mso-bidi-font-weight:
normal">;<span style="mso-spacerun: yes">&nbsp; </span></b><i style="mso-bidi-font-style:
normal">i</i><b style="mso-bidi-font-weight:normal">++;<span style="mso-tab-count:
4">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</span><span style="mso-tab-count:1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</span></b>//</span><span style="font-size:9.0pt;mso-bidi-font-size:10.5pt;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">指针</span><i style="mso-bidi-font-style:
normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;
font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;">pr</span></i><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;">, <i style="mso-bidi-font-style:normal">p</i></span><span style="font-size:9.0pt;mso-bidi-font-size:10.5pt;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;">右移</span><b style="mso-bidi-font-weight:
normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;
font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;"><o:p>
</o:p>
</span></b></p>
<p class="MsoPlainText" style="text-indent: 21.25pt; line-height: 150%; margin-left: 21.25pt"><b style="mso-bidi-font-weight:normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;">}<o:p>
</o:p>
</span></b></p>
<p class="MsoPlainText" style="text-indent: 21.25pt; line-height: 150%; margin-left: 21.25pt"><b style="mso-bidi-font-weight:normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;">cout &lt;&lt; </span></b><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;">&quot;</span><span style="font-size:9.0pt;
mso-bidi-font-size:10.5pt;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:
&quot;Times New Roman&quot;">右移了</span><span lang="EN-US" style="font-size:9.0pt;
mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:
&quot;Courier New&quot;">&quot; &lt;&lt; <i style="mso-bidi-font-style:normal">i</i> 
&lt;&lt; &quot;</span><span style="font-size:9.0pt;mso-bidi-font-size:10.5pt;
mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;">个结点。</span><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;">&quot; &lt;&lt; <b style="mso-bidi-font-weight:
normal">endl;<o:p>
</o:p>
</b></span></p>
<p class="MsoPlainText" style="line-height: 150%"><b style="mso-bidi-font-weight:
normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;
font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;"><span style="mso-tab-count:1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</span>}<o:p>
</o:p>
</span></b></p>
<p class="MsoPlainText" style="line-height: 150%"><span lang="EN-US" style="font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;"><span style="mso-tab-count:1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</span>(2)</span><span lang="EN-US" style="font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;;
mso-font-kerning:8.0pt"> </span><span style="mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:8.0pt">指针</span><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:8.0pt">p</span></i><span style="mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;
mso-font-kerning:8.0pt">左移</span><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;;
mso-font-kerning:8.0pt">k</span></i><span style="mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:8.0pt">个结点</span><span lang="EN-US" style="font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:&quot;Courier New&quot;;
mso-font-kerning:8.0pt"><o:p>
</o:p>
</span></p>
<p class="MsoPlainText" style="line-height: 150%"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:8.0pt"><span style="mso-tab-count:1">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</span><b style="mso-bidi-font-weight:normal">template&lt;class Type&gt; void</b> 
<i style="mso-bidi-font-style:normal">List</i>&lt;<b style="mso-bidi-font-weight:normal">Type</b>&gt; 
<b style="mso-bidi-font-weight:
normal">::<o:p>
</o:p>
</b></span></p>
<p class="MsoPlainText" style="text-indent: 21.25pt; line-height: 150%"><i style="mso-bidi-font-style:normal"><span lang="EN-US" style="font-size:9.0pt;
mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:
&quot;Courier New&quot;;mso-font-kerning:8.0pt">siftToLeft</span></i><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:8.0pt"> ( <i style="mso-bidi-font-style:normal">ListNode</i>&lt;<b style="mso-bidi-font-weight:
normal">Type</b>&gt; *<b style="mso-bidi-font-weight:normal">&amp; </b><i style="mso-bidi-font-style:normal">p</i><b style="mso-bidi-font-weight:normal">,</b> 
<i style="mso-bidi-font-style:normal">ListNode</i>&lt;<b style="mso-bidi-font-weight:
normal">Type</b>&gt; *<b style="mso-bidi-font-weight:normal">&amp; </b><i style="mso-bidi-font-style:normal">pr</i><b style="mso-bidi-font-weight:normal">, 
int</b><i style="mso-bidi-font-style:normal"> k</i> ) <b style="mso-bidi-font-weight:
normal">{</b><o:p>
</o:p>
</span></p>
<p class="MsoPlainText" style="line-height: 150%"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:8.0pt"><span style="mso-tab-count:2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</span><b style="mso-bidi-font-weight:
normal">if </b>( <i style="mso-bidi-font-style:normal">p == NULL</i> <b style="mso-bidi-font-weight:normal">&amp;&amp;</b> 
<i style="mso-bidi-font-style:
normal">pr</i> <i style="mso-bidi-font-style:normal">== first</i> ) <b style="mso-bidi-font-weight:normal">{</b><span style="mso-tab-count:3">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</span>//</span><span style="font-size:9.0pt;mso-bidi-font-size:10.5pt;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:8.0pt">已经在链的最左端</span><b style="mso-bidi-font-weight:normal"><span lang="EN-US" style="font-size:9.0pt;
mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;mso-bidi-font-family:
&quot;Courier New&quot;;mso-font-kerning:8.0pt"><o:p>
</o:p>
</span></b></p>
<p class="MsoPlainText" style="text-indent: 21.25pt; line-height: 150%; margin-left: 21.25pt"><b style="mso-bidi-font-weight:normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:8.0pt"><span style="mso-spacerun: yes">&nbsp;&nbsp; 
</span>cout &lt;&lt;</span></b><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:8.0pt"> &quot;</span><span style="font-size:9.0pt;mso-bidi-font-size:10.5pt;mso-ascii-font-family:&quot;Times New Roman&quot;;
mso-hansi-font-family:&quot;Times New Roman&quot;;mso-font-kerning:8.0pt">已经在链的最左端，不能再左移。</span><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:8.0pt">&quot; 
&lt;&lt; <b style="mso-bidi-font-weight:normal">endl;<o:p>
</o:p>
</b></span></p>
<p class="MsoPlainText" style="text-indent: 21.25pt; line-height: 150%; margin-left: 21.25pt"><b style="mso-bidi-font-weight:normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;
mso-bidi-font-family:&quot;Courier New&quot;;mso-font-kerning:8.0pt"><span style="mso-spacerun: yes">&nbsp;&nbsp; 
</span>return;<o:p>
</o:p>
</span></b></p>
<p class="MsoPlainText" style="text-indent: 21.25pt; line-height: 150%; margin-left: 21.25pt"><b style="mso-bidi-font-weight:normal"><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:10.5pt;font-family:&quot;Times New Roman&quot;;