摘要: //求LCA,k级祖先 #include <bits/stdc++.h> using namespace std; const int maxn = 5e5+5; const int maxm = 1e6+5; int lg[maxn]; struct edge { int next, v; }E[ 阅读全文
posted @ 2020-02-08 19:46 UCPRER 阅读(146) 评论(0) 推荐(0) 编辑