2013年8月13日
soj2012.King（有向图+蛋疼得一逼）
摘要： DescriptionThere are n children in a country marked by integers from 1 to n.They often fight with each other. For each pair of child A and child B, either A beats B or B beats A. It is not possible that both A beats B and B beats A. Of course, one never fight with himself.Child A is not afraid of ch 阅读全文
posted @ 2013-08-13 21:38 中大黑熊 阅读(389) 评论(0) 推荐(0)