摘要: 链接: http://acm.hdu.edu.cn/showproblem.php?pid=2196 题意: A school bought the first computer some time ago(so this computer's id is 1). During the recent 阅读全文
posted @ 2019-12-11 14:32 YDDDD 阅读(122) 评论(0) 推荐(0) 编辑