摘要: # [$Educational$ $Codeforces$ $Round$ $152$](https://codeforces.com/contest/1849) ## [$A-Morning$ $Sandwich$](https://codeforces.com/contest/1849/prob 阅读全文
posted @ 2023-07-29 16:49 spdarkle 阅读(12) 评论(0) 推荐(0) 编辑