摘要: ## B. Binary Cafe >![image-20230703193601400](https://zeoy-typora.oss-cn-hangzhou.aliyuncs.com/image-20230703193601400.png) > >$1 \leq n,k \leq 10^9$ 阅读全文
posted @ 2023-07-03 20:29 Zeoy_kkk 阅读(71) 评论(0) 推荐(0) 编辑