摘要：
DescriptionIn order to get from one of the F (1 2 #include 3 #include 4 #include 5 #include 6 using namespace std; 7 8 const int MAXN = 5010; 9 const int MAXE = 20010;10 11 int head[MAXN], sccno[MAXN];12 int to[MAXE], next[MAXE];13 bool vis[MAXE];14 int pre[MAXN], lowlink[MAXN];15 int stk[MAXN... 阅读全文
摘要：
DescriptionMirko works on a pig farm that consists of M locked pig-houses and Mirko can't unlock any pighouse because he doesn't have the keys. Customers come to the farm one after another. Each of them has keys to some pig-houses and wants to buy a certain number of pigs. All data concernin 阅读全文