2015年4月29日
hdu 1686 ac自动机
摘要： Problem DescriptionThe French author Georges Perec (1936–1982) once wrote a book, La disparition, without the letter 'e'. He was a member of the Oulip... 阅读全文
posted @ 2015-04-29 23:01 biong 阅读(177) 评论(0) 推荐(0)