hdu 1421：搬寝室的解题报告，是 我比较用心写的解题报告之一-hdu 1421: report on problem-solving to move the bedroom, I am rather hard to write one report of problem-solving

HDU的AC自动机，使用爬虫爬取百度到CSDN的关键字，提取出代码进行模拟POST提交-HDU The AC automaton, crawling reptiles use Baidu to CSDN keywords extracted submit the code to simulate POST