摘要: [VP 选手](https://codeforces.com/contest/1848/standings/participant/159315294#p159315294) 前来报到 # A. Vika and Her Friends ## Problem 一个 $n\times m$ 的网格。V 阅读全文
posted @ 2023-07-17 13:46 caijianhong 阅读(545) 评论(5) 推荐(0) 编辑