摘要: # [AtCoder Beginner Contest 315](https://atcoder.jp/contests/abc315) ## [A - tcdr (atcoder.jp)](https://atcoder.jp/contests/abc315/tasks/abc315_a) **一 阅读全文
posted @ 2023-08-21 00:59 Ke_scholar 阅读(80) 评论(0) 推荐(0) 编辑