📄 5_1_4 树的编码实现 - 《多任务下的数据结构与算法》 - 免费试读 - book_csdn_net.htm
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<H1><A href="http://book.csdn.net/bookfiles/65">多任务下的数据结构与算法 </A></H1>
<DIV style="FONT-SIZE: 15px; TEXT-ALIGN: center"><A
href="http://book.csdn.net/bookfiles/65/100652556.shtml">5.1.4 树的编码实现 </A></DIV>
<DIV style="FONT-SIZE: 15px; TEXT-ALIGN: center"><A class=url
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href="http://book.csdn.net/bookfiles/65/100652556.shtml"><FONT color=red>5.1.4
树的编码实现</FONT></A></H1>
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<DIV style="FLOAT: left; WIDTH: 49%">·<A
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普通树的描述方法</A></DIV>
<DIV style="FLOAT: right; WIDTH: 49%">·<A
href="http://book.csdn.net/bookfiles/65/100652554.shtml">5.1.2
树的操作接口设计</A></DIV>
<DIV style="FLOAT: left; WIDTH: 49%">·<A
href="http://book.csdn.net/bookfiles/65/100652555.shtml">5.1.3 树的遍历算法</A></DIV>
<DIV style="FLOAT: right; WIDTH: 49%">·<A
href="http://book.csdn.net/bookfiles/65/100652557.shtml">5.1.5
使用树的遍历算法来实现Xcopy功能</A></DIV>
<DIV style="FLOAT: left; WIDTH: 49%">·<A
href="http://book.csdn.net/bookfiles/65/100652558.shtml">6.2.1
哈希AVL树的基本概念</A></DIV>
<DIV style="FLOAT: right; WIDTH: 49%">·<A
href="http://book.csdn.net/bookfiles/65/100652559.shtml">6.2.2
哈希AVL树的查找</A></DIV></DIV></DIV></DIV>
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<H3 style="PAGE-BREAK-BEFORE: always; MARGIN-LEFT: 0cm; TEXT-INDENT: 0cm"><SPAN
lang=EN-US>5.1.4</SPAN><SPAN lang=EN-US> </SPAN><SPAN
style="FONT-FAMILY: 方正准圆简体">树的编码实现</SPAN></H3>
<P class=MsoNormal><SPAN style="FONT-FAMILY: 华康简宋">下面给出树的操作的编码实现。</SPAN></P>
<P class=4><SPAN lang=EN-US>/** </SPAN><SPAN
style="FONT-FAMILY: 华康简宋">树的创建函数</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> @return
TREE *</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋; LETTER-SPACING: -0.2pt">—</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋; LETTER-SPACING: -0.1pt">—</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">新创建的树的指针</SPAN><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> </SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">*/</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><STRONG><SPAN lang=EN-US
style="FONT-SIZE: 9pt">TREE *Tree_Create()</SPAN></STRONG></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">{</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> TREE
*pNewTree</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> pNewTree =
(TREE *)malloc(sizeof(struct TREE_st))</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> if ( pNewTree
== NULL )</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> {</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">
return NULL</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> }</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> /*
</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">创建叶子列表</SPAN><SPAN
lang=EN-US style="FONT-SIZE: 9pt"> */</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">
pNewTree->pLeafList = DoubleList_Create()</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> if (
pNewTree->pLeafList == NULL )</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> {</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">
free( pNewTree )</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">
return NULL</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> }</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> /*
</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">创建子树列表</SPAN><SPAN
lang=EN-US style="FONT-SIZE: 9pt"> */</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">
pNewTree->pSubTreeList = DoubleList_Create()</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> if (
pNewTree->pSubTreeList == NULL )</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> {</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">
DoubleList_Destroy( pNewTree->pLeafList, NULL )</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">
free( pNewTree )</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">
return NULL</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> }</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">
pNewTree->pProperties = NULL</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> return
pNewTree</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt">}</SPAN></P>
<P class=4><SPAN lang=EN-US>/** </SPAN><SPAN
style="FONT-FAMILY: 华康简宋">树的释放函数，采用后序遍历算法进行释放</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US
style="FONT-SIZE: 9pt"> @param TREE
*pTree</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋; LETTER-SPACING: -0.2pt">—</SPAN><SPAN
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋; LETTER-SPACING: -0.1pt">—</SPAN><SPAN
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