摘要: http://codeforces.com/contest/1216/problem/E1 E2. Numerical Sequence (hard version) You are given an infinite sequence of form "112123123412345……" whi 阅读全文
posted @ 2019-09-22 15:06 _HonEy 阅读(253) 评论(0) 推荐(0) 编辑