2013年10月7日
D - Find Metal Mineral 树上的分组背包dp
摘要： DescriptionHumans have discovered a kind of new metal mineral on Mars which are distributed in point�like with paths connecting each of them which formed a tree. Now Humans launches k robots on Mars to collect them, and due to the unknown reasons, the landing site S of all robots is identified in ad 阅读全文
posted @ 2013-10-07 12:46 persistent codeants 阅读(174) 评论(0) 推荐(0)