摘要: [洛谷传送门](https://www.luogu.com.cn/problem/AT_abc150_e "洛谷传送门") [AtCoder 传送门](https://atcoder.jp/contests/abc150/tasks/abc150_e "AtCoder 传送门") 令 $S_i \g 阅读全文
posted @ 2023-06-07 19:50 zltzlt 阅读(34) 评论(0) 推荐(0)