摘要: # AtCoder Regular Contest 159 [传送门](https://atcoder.jp/contests/arc159) ## A - Copy and Paste Graph 图的邻接矩阵为 $$ \left( \begin{matrix} A & A & \cdots & 阅读全文
posted @ 2023-05-07 11:17 clapp 阅读(60) 评论(0) 推荐(0) 编辑