摘要: https://atcoder.jp/contests/abc378/tasks/abc378_f https://atcoder.jp/contests/abc378/editorial/11307 #include<bits/stdc++.h> #define x first #define y 阅读全文
posted @ 2024-11-07 16:06 昊天djh 阅读(41) 评论(0) 推荐(0)