﻿<?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>C++博客-我的c++—思考的芦苇-最新评论</title><link>http://www.cppblog.com/smztsmzt/CommentsRSS.aspx</link><description /><language>zh-cn</language><pubDate>Wed, 04 Aug 2010 05:06:17 GMT</pubDate><lastBuildDate>Wed, 04 Aug 2010 05:06:17 GMT</lastBuildDate><generator>cnblogs</generator><item><title>re: 请教一下 关于串匹配的KMP算法问题 </title><link>http://www.cppblog.com/smztsmzt/archive/2010/07/31/121674.html#121763</link><dc:creator>smztsmzt</dc:creator><author>smztsmzt</author><pubDate>Sat, 31 Jul 2010 03:48:00 GMT</pubDate><guid>http://www.cppblog.com/smztsmzt/archive/2010/07/31/121674.html#121763</guid><description><![CDATA[@Luo Huimin<br>感谢<img src ="http://www.cppblog.com/smztsmzt/aggbug/121763.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/smztsmzt/" target="_blank">smztsmzt</a> 2010-07-31 11:48 <a href="http://www.cppblog.com/smztsmzt/archive/2010/07/31/121674.html#121763#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: 请教一下 关于串匹配的KMP算法问题 </title><link>http://www.cppblog.com/smztsmzt/archive/2010/07/31/121674.html#121760</link><dc:creator>Luo Huiming</dc:creator><author>Luo Huiming</author><pubDate>Sat, 31 Jul 2010 01:21:00 GMT</pubDate><guid>http://www.cppblog.com/smztsmzt/archive/2010/07/31/121674.html#121760</guid><description><![CDATA[KMP是通过一个next的量求得主串与模式串不匹配时模式串下一个应与主串当前位置进行匹配的位置，从而达到主串指针不回溯的。next[i]其实相当于对于模式串前i-1个字符的不包含自己的一个最长前缀与最长后缀相同的长度+1.<br>上面那个是第四个位置<br>a a a a b<br>a a a b<br>那么a a a的一个最长前缀与最长后缀是a a，那么当前上前的第四个a应该再与模式串的第三个位置(a a的长度+1）进行匹配。<img src ="http://www.cppblog.com/smztsmzt/aggbug/121760.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/smztsmzt/" target="_blank">Luo Huiming</a> 2010-07-31 09:21 <a href="http://www.cppblog.com/smztsmzt/archive/2010/07/31/121674.html#121760#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>