KMP 算法

http://wenku.baidu.com/link?url=i2KHeUMGF6FI2mhq87x9tz69xJLwJ51w6Svh_XuOMJ7nvajCHt8zIDG3M0Pen3EF6qagDDrFjcsrZCjz8BLT1FiBnjjBqv7pVvVTMXIw14m

原文地址:https://www.cnblogs.com/lp3318/p/5364699.html