2016年8月25日
hdu4641-K-string(后缀自动机)
摘要： Problem Description Given a string S. K-string is the sub-string of S and it appear in the S at least K times.It means there are at least K different 阅读全文
posted @ 2016-08-25 09:12 wust_ouyangli 阅读(942) 评论(0) 推荐(0)