摘要: TreeTime Limit:1000MSMemory Limit:30000KTotal Submissions:12276Accepted:3886DescriptionGive a tree with n vertices,each edge has a length(positive int... 阅读全文
posted @ 2015-03-23 13:46 PlasticSpirit 阅读(704) 评论(0) 推荐(0) 编辑