摘要: #include<bits/stdc++.h> using namespace std; typedef long long ll; const ll N = 1e6 + 9; ll a[N]; vector<ll>G[N]; ll sz[N], Son[N]; ll Max= -1; ll co; 阅读全文
posted @ 2021-07-26 09:14 u_yan 阅读(152) 评论(0) 推荐(0) 编辑