摘要：
\(poster\) \(illegal\) \(illegally\) \(hunt\) \(hunter\) \(immediately\) \(species\) \(shark\) \(fin\) \(on\) \(earth\) \(die\) \(out\) \(alarming\) \ 阅读全文
摘要：
[Toc] 基本上都是板子, 还没做完 loj 缩点 10091 受欢迎的牛 缩点后出度为$ 0 $的点就是欢迎的牛，超过一个点则不存在 cpp include using namespace std; const int N = 1e5+20; const int M = 5e5+50; stru 阅读全文