摘要: #include<bits/stdc++.h>using namespace std;const int N=200005;int n,A[N];long long Mx,tot,S[N];vector<int>Adj[N];void DFS(int v,int p){ S[v]=A[v]; for 阅读全文
posted @ 2018-12-25 15:45 sewage 阅读(93) 评论(0) 推荐(0) 编辑