http://www.mzry1992.com/blog/miao/%e4%ba%ba%e5%ae%b6%e6%89%8d%e4%b8%8d%e6%98%af%e5%9b%a0%e4%b8%ba%e4%bd%a0%e6%89%8d%e5%8e%bb%e5%ad%a6%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84%e5%91%a2%ef%bc%81.html
KMP与后缀数组专题地址:http://acm.hust.edu.cn:8080/judge/contest/view.action?cid=5866#overview
AC自动机专题地址:http://acm.hust.edu.cn:8080/judge/contest/view.action?cid=8159#overview
字符串专题:http://acm.hust.edu.cn:8080/judge/contest/view.action?cid=1496#overview