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</b></font></span><font size="5" color="#FFFFFF"><b>struct<span style="mso-spacerun: yes">
</span>ArcBox<span style="mso-spacerun: yes"> </span>* hlink, tlink;<b style="mso-bidi-font-weight:normal">
</b></b></font></span><font size="5" color="#FFFFFF"><b><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">分别为弧头相同和弧尾相财的弧的链域</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font size="5" color="#FFFFFF"><b>
</b></font></span><font size="5" color="#FFFFFF"><b>InfoType<span style="mso-spacerun: yes">
</span>info; <b style="mso-bidi-font-weight:normal"><span style="mso-spacerun: yes"> </span></b></b></font></span><font size="5" color="#FFFFFF"><b><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">该弧相关信息的指针</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font size="5" color="#FFFFFF"><b> </b></font></span><font size="5" color="#FFFFFF"><b>}ArcBox;</b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font size="5" color="#FFFFFF"><b> </b></font></span><font size="5" color="#FFFFFF"><b>typedef
struct VexNode {</b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font size="5" color="#FFFFFF"><b>
</b></font></span><font size="5" color="#FFFFFF"><b>VertexType vertex:</b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font size="5" color="#FFFFFF"><b>
</b></font></span><font size="5" color="#FFFFFF"><b>ArcBox<span style="mso-spacerun: yes">
</span>fisrin, firstout;<b style="mso-bidi-font-weight:
normal"> </b></b></font></span><font size="5" color="#FFFFFF"><b><span lang="EN-US" style="mso-bidi-font-size: 10.0pt"><span style="mso-spacerun: yes"> </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">分别指向该顶点第一条入弧和出弧</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"><font size="5" color="#FFFFFF"><b>}VexNode;</b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><font size="5" color="#FFFFFF"><b>typedef
struct {</b></font></span></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font size="5" color="#FFFFFF"><b>
</b></font></span><font size="5" color="#FFFFFF"><b>VexNode xlist[MAX_VERTEX_NUM];</b></font></span><font size="5" color="#FFFFFF"><b><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">表头向量</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></b></font></p>
<p class="MsoNormal" style="margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font size="5" color="#FFFFFF"><b>
</b></font></span><font size="5" color="#FFFFFF"><b>int<span style="mso-spacerun: yes">
</span>vexnum,arcnum;<span style="mso-spacerun:
yes"> </span></b></font></span><font size="5" color="#FFFFFF"><b><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">有向图的顶点数和弧数</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/<o:p>
</o:p>
</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><b><span lang="EN-US" style="mso-bidi-font-size: 10.0pt; font-family: Times New Roman; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"><font size="5" color="#FFFFFF">}OLGraph;</font></span></b>
<p class="MsoNormal"><font size="5" color="#FFFFFF"><b><span style="mso-spacerun: yes" lang="EN-US">
</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">下面给出建立一个有向图的十字链表存储的算法。通过该算法，只要输入</span><span lang="EN-US">n
</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">个顶点的信息和</span><span lang="EN-US">e</span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">条弧的信息，便可建立该有向图的十字链表，其算法内容如下。</span></b></font></p>
<p class="MsoNormal" style="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><font size="5" color="#FFFFFF"><b>void
CreateDG(LOGraph **G)</b></font></span></p>
<p class="MsoNormal" style="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><font size="5" color="#FFFFFF"><b><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">采用十字链表表示，构造有向图</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">G(G.kind=DG)*/</span></b></font></p>
<p class="MsoNormal" style="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><font size="5" color="#FFFFFF"><b><span lang="EN-US">{<span style="mso-spacerun: yes"> </span></span></b></font></p>
<p class="MsoNormal" style="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><font size="5" color="#FFFFFF"><b><span style="mso-spacerun: yes" lang="EN-US">
</span><span lang="EN-US">scanf (&(*G->brcnum),&(*G->arcnum),&IncInfo);
<span style="mso-spacerun: yes"> </span></span></b></font></p>
<p class="MsoNormal" style="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><font size="5" color="#FFFFFF"><b><span style="mso-spacerun: yes" lang="EN-US">
</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">/*IncInfo</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">为</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">0</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">则各弧不含其实信息</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></b></font></p>
<p class="MsoNormal" style="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">for (i=0;i<*G->vexnum;++i)
<span style="mso-spacerun:
yes"> </span><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">构造表头向量</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></font></b></font></p>
<p class="MsoNormal" style="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><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="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><font size="5" color="#FFFFFF"><b>
</b></font><font color="#FFFFFF"><b><font size="5">scanf(&(G->xlist[i].vertex));<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 style="mso-spacerun: yes"> </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">输入顶点值</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/<o:p>
</o:p>
</span></font></b></font></p>
<p class="MsoNormal" style="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><span style="mso-spacerun: yes"><font color="#FFFFFF"><b><font size="5">
</font></b></font></span><font color="#FFFFFF"><b><font size="5">*G->xlist[i].firstin=NulL;</font></b></font></span></p>
<p class="MsoNormal" style="text-indent: 0; margin-left: 0; margin-top: 0; margin-bottom: 0"><span lang="EN-US"><font size="5" color="#FFFFFF"><b>
</b></font><font color="#FFFFFF"><b><font size="5">*G->xlist[i].firstout
=NULL;<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">初始化指针</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">*/</span></font></b></font></p>
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