2024年3月7日
A. Learning Languages
摘要： https://codeforces.com/problemset/problem/277/A It presents a problem that we need to make all element connected, it can be solved by using dsu. I did 阅读全文
posted @ 2024-03-07 21:10 _Yxc 阅读(16) 评论(0) 推荐(0)