摘要: 树链剖分 //参考 https://oi-wiki.org/graph/hld/#%E4%BE%8B%E9%A2%98 //例题 //https://loj.ac/p/10138 https://www.luogu.com.cn/problem/P3379 vector<int>G[N]; int 阅读全文
posted @ 2024-03-15 00:12 O_JF? 阅读(7) 评论(0) 推荐(0) 编辑