随笔分类 -  新生专题六-KMP&Manacher

摘要：E - Power Strings Given two strings a and b we define ab to be their concatenation. For example, if a = "abc" and b = "def" then ab = "abcdef". If we 阅读全文

摘要：A - Oulipo The French author Georges Perec (1936–1982) once wrote a book, La disparition, without the letter 'e'. He was a member of the Oulipo group. 阅读全文