摘要: 代码: #include<bits/stdc++.h>using namespace std;int fa;int degree[100007];vector<int>v[100007];void dfs(int x){ for(auto&it:v[x]){ degree[it]=degree[x] 阅读全文
posted @ 2019-05-07 18:06 sewage 阅读(162) 评论(0) 推荐(0) 编辑