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来自「浙江大学计算机学院数据结构课程的教学课件」· HTM 代码 · 共 50 行
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<b>|</b><font face="宋体" size="2">第一章</font><b>|</b><font face="宋体" size="2"><a href="text2-0.htm">第二章</a></font><b>|</b><font face="宋体" size="2"><a href="text3-0.htm">第三章</a></font><b>|</b><font face="宋体" size="2"><a href="text4-0.htm">第四章</a></font><b>|</b><font face="宋体" size="2"><a href="text5-0.htm">第五章</a></font><b>|</b><font face="宋体" size="2"><a href="text6-0.htm">第六章</a></font><b>|</b><font face="宋体" size="2"><a href="text7-0.htm">第七章</a></font><b>|</b><font face="宋体" size="2"><a href="text8-0.htm">第八章</a></font><b>|</b><font face="宋体" size="2"><a href="text9-0.htm">第九章</a></font><b>|</b><font face="宋体" size="2"><a href="text10-0.htm">第十章</a></font><b>|</b><font size="2" face="宋体"><a href="textA-0.htm">算法分析</a><b><font color="#000000">|</font></b>
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<p> </p>
<pre><font face="Arial, Helvetica, sans-serif" size="4"><b><font color="#FF0033" size="5">Recursive algorithm</font><font color="#FF0033" size="+1">
</font>
【definition】define an object in terms of a simpler case of itself
<font color="#3333FF">FACTORIAL</font>
n! = <i>n·(n-1) ! </i> n>1 ( 0! = 1)
n! = <i>n·(n-1)·(n-2) … 3·2·1</i>
<font color="#0000FF"><br>MULTIPLY</font>
a·b = a·(b-1) + a (a·1 = a)
a·b = <i>a·(b-1) + a = a·(b-2) +a +a = a·(b-3) + a + a +a …</i>
= a + a + … + a + a (b<font size="3"> times addition)</font>
<font color="#0000FF"><br>FIBONACCI NUMBER</font>
fib (n) = <i>n </i> n=0 or n=1
fib (n) = <i>fib(n-2) + fib(n-1)</i> otherwise</b></font></pre>
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