no55.htm

常用经典算法及讲解

style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span>s=0;<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span>for (i=1;i&lt;=n;i++)<span style="mso-spacerun: yes">&nbsp;
</span>s^=a[i];<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span>return s;<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;</span>}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'>main()<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;</span>{unsigned int t;<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span>int i,s,e;<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span>init1();<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span>while (sum1())<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp; </span>{if (xorall()==0)<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp; </span>{for (i=1;i&lt;=n;i++)<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style='mso-tab-count:
1'>&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp; </span>if(a[i]&gt;0)<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style='mso-tab-count:
1'>&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun: yes">&nbsp; </span><span
style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>{printf(&quot;computer
take 1 from No.%d \n&quot;,i);<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style='mso-tab-count:
1'>&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun: yes">&nbsp;&nbsp;
</span><span style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>a[i]--;
goto loop2;}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun:
yes">&nbsp;</span>}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>else<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>for (i=1;i&lt;=n;i++)<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style='mso-tab-count:
1'>&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>{ s=a[i]-(xorall()^a[i])
;<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style="mso-spacerun: yes">&nbsp;</span>if (s&gt;0)<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style='mso-tab-count:
1'>&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun: yes">&nbsp;&nbsp;
</span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>{printf(&quot;computer
take %u from No.%d \n&quot;,s,i);<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style='mso-tab-count:
1'>&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun: yes">&nbsp;&nbsp;
</span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span
style="mso-spacerun: yes">&nbsp;</span>a[i]^=xorall();<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style='mso-tab-count:
1'>&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun: yes">&nbsp;&nbsp;
</span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span
style="mso-spacerun: yes">&nbsp;</span>goto loop2;}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style='mso-tab-count:
1'>&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>loop2:;<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>if(sum1()==0)<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>{printf(&quot;computer win!&quot;); break;}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>status();<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>while (1)<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;</span>{printf(&quot;Input your selection<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span
style="mso-spacerun: yes">&nbsp;</span>(examp. 1 2<span style="mso-spacerun:
yes">&nbsp; </span>means take 2 from No.1):\n&quot;);<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;</span>scanf(&quot;%d %u&quot;,&amp;e,&amp;t);<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>if ((e&gt;=1)&amp;&amp;(e&lt;=n)&amp;&amp;(a[e]&gt;=t))<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>{a[e]-=t; goto loop1;}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>else<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp;</span>printf(&quot;data error!<span
style="mso-spacerun: yes">&nbsp; </span>re-input...\n&quot;);<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun:
yes">&nbsp;&nbsp;</span>}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span><span style="mso-spacerun: yes">&nbsp;&nbsp;</span>loop1:;<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span><span style="mso-spacerun: yes">&nbsp;&nbsp;</span>if(sum1()==0)<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;&nbsp;&nbsp; </span><span style="mso-spacerun: yes">&nbsp;</span>{printf(&quot;you
win!&quot;); break;}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp; </span>}<o:p></o:p></span></p>

<p class=MsoPlainText style='line-height:18.0pt;mso-line-height-rule:exactly;
layout-grid-mode:char;mso-layout-grid-align:none'><span lang=EN-US
style='font-size:12.0pt;mso-bidi-font-size:10.0pt'><span style="mso-spacerun:
yes">&nbsp;</span>}<o:p></o:p></span></p>

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