摘要: 参考博客 #include<cstdio> typedef long long ll; const int N = 2e5 + 50; int n, cnt, top, tot; int c[N], mindiv[N], dep[N], w[N]; int head[N], sta[N], lca_ 阅读全文
posted @ 2020-12-09 20:52 のNice 阅读(67) 评论(0) 推荐(0) 编辑