📄 ds4习1.htm
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<title>数 据 结 构</title>
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<!--mstheme--><font face="宋体"><p:colorscheme
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<p align="center"><b><font size="5" color="#FFFF00" face="宋体"><span style="mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 黑体; mso-hansi-font-family: Times New Roman; mso-bidi-font-family: Times New Roman; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">习题</span></font></b></p>
<p class="MsoNormal"><font color="#FFFFFF" size="5"><b><span lang="EN-US">1</span><span style="font-family:宋体;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">．</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">利用</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">C</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">的库函数</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">strlen,strcpy</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">和</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">strcat</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">写一个算法</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">void
StrInsert(char *S,char *T,int i) </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">，将串</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">T</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">插入到</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">S</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">的第</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">i</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">个位置上。若</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">i</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">大于</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt">S</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">的长度，则插入不执行。</span><span lang="EN-US" style="mso-bidi-font-size: 10.0pt"></o:p>
</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">void
StrInsert(char *S, char *T, int i)</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">{</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">
char *t1,*t2;</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">
lens=strlen(s);</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">
if(i>lens||i<0) return ERROR;</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">
else if(i=0) strcat(T,S);</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">
else</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">
{</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0">
<font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">t1[0..i-1]=S[0..i-1];</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">
t2[0..len-i-1]=S[i..len-1];</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">
strcat(strcat(t1,T),t2);</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">
}</span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt"> return
OK; </span></b></font></p>
<p style="margin-top: 0; margin-bottom: 0"><font color="#FFFFFF" size="5"><b><span style="mso-bidi-font-size: 10.0pt">}</span></b></font></p>
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