﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>BlogJava-uulife‘s 美丽生活..-随笔分类-美丽算法..</title><link>http://www.blogjava.net/uulifes/category/28012.html</link><description>Hold on！！每个明天都会充满阳光..</description><language>zh-cn</language><lastBuildDate>Mon, 10 Dec 2007 17:08:44 GMT</lastBuildDate><pubDate>Mon, 10 Dec 2007 17:08:44 GMT</pubDate><ttl>60</ttl><item><title>第一篇，加油..</title><link>http://www.blogjava.net/uulifes/archive/2007/12/10/166759.html</link><dc:creator>MeiLe生活</dc:creator><author>MeiLe生活</author><pubDate>Mon, 10 Dec 2007 11:12:00 GMT</pubDate><guid>http://www.blogjava.net/uulifes/archive/2007/12/10/166759.html</guid><wfw:comment>http://www.blogjava.net/uulifes/comments/166759.html</wfw:comment><comments>http://www.blogjava.net/uulifes/archive/2007/12/10/166759.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/uulifes/comments/commentRss/166759.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/uulifes/services/trackbacks/166759.html</trackback:ping><description><![CDATA[在是一个美丽的地方，加油，自己。<br />
<br />
<p>生活总是美丽依旧的，</p>
<p>憧憬着未来的自己，</p>
<p>加油，坚持，努力 ...</p>
<p>What I Cannot Change ,&nbsp;Do My Best , u or i..</p>
<br />
<br />
第一篇就记录下自己刚刚看到的一个算法题吧，很简单的。其实很多这样程序考虑的主要是效率问题啦，这也是自己今后要注意的地方。一定不要像以前上课上那样，老师一给个题，就用递归。能够增强效率，我想做出那样的程序一定是很美丽的程序。记得Python是这样写的，简单就是美！呵呵。<br />
----<br />
计算1-1/3+1/5-1/7+.........前10000项之和..<br />
----<br />
----结果：0.7853493<br />
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Code highlighting produced by Actipro CodeHighlighter (freeware)<br />
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--><span style="color: rgb(0, 128, 128);">&nbsp;1</span>&nbsp;<span style="color: rgb(0, 0, 255);">public</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 255);">class</span><span style="color: rgb(0, 0, 0);">&nbsp;Test {<br />
</span><span style="color: rgb(0, 128, 128);">&nbsp;2</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: rgb(0, 0, 255);">public</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 255);">static</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 255);">void</span><span style="color: rgb(0, 0, 0);">&nbsp;main(String[]&nbsp;args)&nbsp;{<br />
</span><span style="color: rgb(0, 128, 128);">&nbsp;3</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: rgb(0, 0, 255);">float</span><span style="color: rgb(0, 0, 0);"> Result </span><span style="color: rgb(0, 0, 0);">=</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 0);">1</span><span style="color: rgb(0, 0, 0);">;<br />
</span><span style="color: rgb(0, 128, 128);">&nbsp;4</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: rgb(0, 0, 255);">boolean</span><span style="color: rgb(0, 0, 0);"> Flag </span><span style="color: rgb(0, 0, 0);">=</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 255);">false</span><span style="color: rgb(0, 0, 0);">;<br />
</span><span style="color: rgb(0, 128, 128);">&nbsp;5</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: rgb(0, 0, 255);">for</span><span style="color: rgb(0, 0, 0);">(&nbsp;</span><span style="color: rgb(0, 0, 255);">float</span><span style="color: rgb(0, 0, 0);">&nbsp;i&nbsp;</span><span style="color: rgb(0, 0, 0);">=</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 0);">3</span><span style="color: rgb(0, 0, 0);">;&nbsp;i&nbsp;</span><span style="color: rgb(0, 0, 0);">&lt;=</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 0);">10000</span><span style="color: rgb(0, 0, 0);">;&nbsp;i</span><span style="color: rgb(0, 0, 0);">+=</span><span style="color: rgb(0, 0, 0);">2</span><span style="color: rgb(0, 0, 0);">, </span><span style="color: rgb(0, 0, 0);">Flag</span><span style="color: rgb(0, 0, 0);"> </span><span style="color: rgb(0, 0, 0);">=</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 0);">!</span><span style="color: rgb(0, 0, 0);">Flag</span><span style="color: rgb(0, 0, 0);">){<br />
</span><span style="color: rgb(0, 128, 128);">&nbsp;6</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: rgb(0, 0, 255);">if</span><span style="color: rgb(0, 0, 0);">( </span><span style="color: rgb(0, 0, 0);">Flag</span><span style="color: rgb(0, 0, 0);"> ){<br />
</span><span style="color: rgb(0, 128, 128);">&nbsp;7</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Result&nbsp;</span><span style="color: rgb(0, 0, 0);">=</span><span style="color: rgb(0, 0, 0);"> Result&nbsp;</span><span style="color: rgb(0, 0, 0);">+</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 0);">1</span><span style="color: rgb(0, 0, 0);">/</span><span style="color: rgb(0, 0, 0);">i;<br />
</span><span style="color: rgb(0, 128, 128);">&nbsp;8</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />
</span><span style="color: rgb(0, 128, 128);">&nbsp;9</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: rgb(0, 0, 255);">else</span><span style="color: rgb(0, 0, 0);">{<br />
</span><span style="color: rgb(0, 128, 128);">10</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Result&nbsp;</span><span style="color: rgb(0, 0, 0);">=</span><span style="color: rgb(0, 0, 0);"> Result&nbsp;</span><span style="color: rgb(0, 0, 0);">-</span><span style="color: rgb(0, 0, 0);">&nbsp;</span><span style="color: rgb(0, 0, 0);">1</span><span style="color: rgb(0, 0, 0);">/</span><span style="color: rgb(0, 0, 0);">i;<br />
</span><span style="color: rgb(0, 128, 128);">11</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />
</span><span style="color: rgb(0, 128, 128);">12</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />
</span><span style="color: rgb(0, 128, 128);">13</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(Result);<br />
</span><span style="color: rgb(0, 128, 128);">14</span>&nbsp;<span style="color: rgb(0, 0, 0);">&nbsp;&nbsp;&nbsp;&nbsp;}<br />
</span><span style="color: rgb(0, 128, 128);">15</span>&nbsp;<span style="color: rgb(0, 0, 0);">}&nbsp;&nbsp;  <br />
</span></div>
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