摘要: 参考链接:https://www.cnblogs.com/dx123/p/16320467.html(感谢董晓老师) 树链剖分求LCA 比倍增快一些 https://www.luogu.com.cn/problem/P3379 #include<bits/stdc++.h> const int N 阅读全文
posted @ 2024-04-24 21:38 gebeng 阅读(17) 评论(0) 推荐(0)