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    <title>Aaron Feng: Project Euler</title>
    <link>http://www.aaronfeng.com/articles/2007/12/24/project-euler</link>
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    <ttl>40</ttl>
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      <title>Project Euler</title>
      <description>&lt;p&gt;A while back my friend &lt;a href="http://jameshorsley.blogspot.com/"&gt;James Horsley&lt;/a&gt; told me about &lt;a href="http://projecteuler.net/"&gt;Project Euler&lt;/a&gt;.  I just pushed it onto my stack of things to look into.  Recently, I was reminded of it again from &lt;a href="http://iqueryable.com/"&gt;Steve Eichert&lt;/a&gt; at work, so decided to give a try.&lt;/p&gt;

&lt;p&gt;Project Euler contains a collection of mathematical problems ranging in difficulties.  A problem can be solved using pencil and paper or using a computer program.  The only requirement using a computer program is that it should run under one minute.  It's an honor system because all you need to submit is the answer.&lt;/p&gt;

&lt;p&gt;My choice of weapon is Ruby.  I have been spectating Ruby for the past 5 years (not entirely true, but mostly).  I figured it's time to roll up my sleeves.   I'll be posting my solutions in batches for those who are interested.  In addition to posting the solutions, I'll also post the amount of time each solution took.  However, I will not post the answers.  You can run the code on your own machine if you wish to see the answers.  This way I will not ruin it for people who are interested in solving the problems themselves.  All the code has been run on my MacBook on an Intel Core 2 Duo 2.0 Ghz with Ruby 1.8.&lt;/p&gt;</description>
      <pubDate>Mon, 24 Dec 2007 22:54:00 -0500</pubDate>
      <guid isPermaLink="false">urn:uuid:352590cd-b997-4766-8dca-5323fa20e0c7</guid>
      <author>Aaron Feng</author>
      <link>http://www.aaronfeng.com/articles/2007/12/24/project-euler</link>
      <category>ruby</category>
      <category>programming</category>
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