摘要: 题目 Monocarp and Bicarp live in Berland, where every bus ticket consists of nn digits (nn is an even number). During the evening walk Monocarp and Bica 阅读全文
posted @ 2020-04-24 07:21 ghosh 阅读(126) 评论(0) 推荐(0) 编辑
莫挨老子!