摘要: [洛谷传送门](https://www.luogu.com.cn/problem/AT_abc228_g "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc228/tasks/abc228_g "AtCoder 传送门") ?这啥啊,不会。 阅读全文
posted @ 2023-06-27 21:53 zltzlt 阅读(30) 评论(0) 推荐(0) 编辑
摘要: [洛谷传送门](https://www.luogu.com.cn/problem/AT_abc238_h "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc238/tasks/abc238_h "AtCoder 传送门") 考虑期望转计数,方 阅读全文
posted @ 2023-06-27 13:34 zltzlt 阅读(32) 评论(0) 推荐(0) 编辑