摘要: Codeforces Round #665 (Div. 2) 题解 A. Distance and Axis \[ \begin{cases} x+y=n\\ x-y=k\\ \end{cases}\\ \Rightarrow \begin{cases} x=\tfrac{n+k}{2}\\ y=\ 阅读全文
posted @ 2020-08-23 00:21 0xDkXy_DWM 阅读(202) 评论(0) 推荐(0) 编辑