摘要：
DescriptionDandelion's uncle is a boss of a factory. As the spring festival is coming , he wants to distribute rewards to his workers. Now he has a tr... 阅读全文
摘要：
Description有N个比赛队（1#include #include using namespace std;const int N=510;int i,j,k,m,n;int map[N][N],indegre[N];void topo(){ for(i=1;i<=n;i++) f... 阅读全文