摘要：
题目 "vijos1979" 代码 include include include include include include include include define N 200005 define inf 2000000000 using namespace std; int n,sum 阅读全文
摘要：
题目 "bzoj1051" 代码 include include include include include include define N 100100 using namespace std; int n,m,ans; int dfn[N],t;//每一个节点被访问的时间戳，即dfs序 i 阅读全文