摘要：OulipoTime Limit:1000MSMemory Limit:65536KTotal Submissions:12500Accepted:4971DescriptionThe French author Georges Perec (1936–1982) once wrote a book, La disparition, without the letter'e'. He was a member of the Oulipo group. A quote from the book:Tout avait Pair normal, mais tout s’affirm 阅读全文