2019年9月3日
HDU4117 GRE WORDS(AC自动机+线段树维护fail树的dfs序)
摘要： Recently George is preparing for the Graduate Record Examinations (GRE for short). Obviously the most important thing is reciting the words. Now Georg 阅读全文
posted @ 2019-09-03 21:13 StarHai 阅读(392) 评论(0) 推荐(0) 编辑