摘要: "ACM International Collegiate Programming Contest World Finals 2014" A Baggage 题目描述 :有$2n$个字符摆在编号为$1$~$2n$格子里,奇数位为$B$,偶数位为$A$,另外编号为$( 2n+1)$~$0$的格子是空的 阅读全文
posted @ 2018-03-11 22:59 GerynOhenz 阅读(248) 评论(0) 推荐(0) 编辑