<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[zienyang的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/zienyang</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; zienyang]]></copyright><item><title><![CDATA[prime distance]]></title><link>https://blog.youkuaiyun.com/zienyang/article/details/38313173</link><guid>https://blog.youkuaiyun.com/zienyang/article/details/38313173</guid><author>zienyang</author><pubDate>Thu, 31 Jul 2014 10:31:23 +0800</pubDate><description><![CDATA[The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number theoreticians for thousands of years is the question of primali]]></description><category></category></item><item><title><![CDATA[DZY loves colors]]></title><link>https://blog.youkuaiyun.com/zienyang/article/details/38121999</link><guid>https://blog.youkuaiyun.com/zienyang/article/details/38121999</guid><author>zienyang</author><pubDate>Fri, 25 Jul 2014 17:02:39 +0800</pubDate><description><![CDATA[DZY loves colors, and he enjoys painting.


On a colorful day, DZY gets a colorful ribbon, which consists of n units (they are numbered from 1 to n from left to right). The color of the i-th unit o]]></description><category></category></item><item><title><![CDATA[dzy loves physics]]></title><link>https://blog.youkuaiyun.com/zienyang/article/details/38120303</link><guid>https://blog.youkuaiyun.com/zienyang/article/details/38120303</guid><author>zienyang</author><pubDate>Fri, 25 Jul 2014 16:08:56 +0800</pubDate><description><![CDATA[DZY loves Physics, and he enjoys calculating density.


Almost everything has density, even a graph. We define the density of a non-directed graph (nodes and edges of the graph have some values) as]]></description><category></category></item><item><title><![CDATA[DZY loves FFT]]></title><link>https://blog.youkuaiyun.com/zienyang/article/details/38117663</link><guid>https://blog.youkuaiyun.com/zienyang/article/details/38117663</guid><author>zienyang</author><pubDate>Fri, 25 Jul 2014 14:44:36 +0800</pubDate><description><![CDATA[Description
DZY loves Fast Fourier Transformation, and he enjoys using it.


Fast Fourier Transformation is an algorithm used to calculate convolution. Specifically, if a, b and c are sequences wi]]></description><category></category></item><item><title><![CDATA[dzy loves chessboard]]></title><link>https://blog.youkuaiyun.com/zienyang/article/details/38112171</link><guid>https://blog.youkuaiyun.com/zienyang/article/details/38112171</guid><author>zienyang</author><pubDate>Fri, 25 Jul 2014 11:42:02 +0800</pubDate><description><![CDATA[Description
DZY loves chessboard, and he enjoys playing with it.


He has a chessboard of n rows and m columns. Some cells of the chessboard are bad, others are good. For every good cell, DZY want]]></description><category></category></item></channel></rss>