answer_6.htm

软件设计师模拟试卷,点击里面的Exe文件可以随机出题

lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］取弧上的权值，否则</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>a</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］的值取</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>NoEdge</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>。<span
lang=EN-US>&quot;所以应填</span></span><span lang=EN-US style='mso-bidi-font-size:
10.5pt'>a</span><span style='mso-bidi-font-size:10.5pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman"'>［</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］。（</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>2</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>）首先应该说明的是此处的三层循环所完成的功能是用递推的方式，在</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>号结点和</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>号结点中插入一个</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>号结点，然后比较</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］与</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］＋</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］，如果</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］＋</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］小于</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］，则用</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'> c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>+c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］代替</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'> c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］。这里用到的原则就是：</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'> c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］，</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］分别是</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>到</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>，</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>到</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>的最短路径，若</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>到</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>要经过</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>，则</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'> c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>+c</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］就是</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>到</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>过结点</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>的最短路径。（</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>3</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>）由于题目中提到<span
lang=EN-US>&quot;</span></span><span lang=EN-US style='mso-bidi-font-size:10.5pt'>kay</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>为二维数组，存储最短路径，</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>kay</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>=k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>表示顶点</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>到达顶点</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>的最短路径必须经过顶点</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>。<span
lang=EN-US>&quot;所以，应填</span></span><span lang=EN-US style='mso-bidi-font-size:
10.5pt'>k</span><span style='mso-bidi-font-size:10.5pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman"'>。（</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>5</span><span style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman"'>）此处用到了程序的递归，其实这个过程很好理解，也就是判断当中间结点为</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>0</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>，表示</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>，</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>直接为最短路径，则直接打印即可。如果有中间结点</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>，则先打印从</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>到</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>的路径，再打印从</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>k</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>到</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>的路径。此处的中间结点存在</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>kay</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］里，所以（</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>4</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>）填</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>kay</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>i</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］［</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>j</span><span style='mso-bidi-font-size:
10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>］。</span><span
style='mso-bidi-font-size:10.5pt'> </span><span style='font-size:8.5pt;
font-family:"MS Sans Serif";mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><o:p></o:p></span></p>

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