2016年5月15日
HDU 5682/BestCoder Round #83 1003 zxa and leaf 二分+树
摘要： zxa and leaf Problem Description zxa have an unrooted tree with n nodes, including (n−1) undirected edges, whose nodes are numbered from 1 to n. The d 阅读全文
posted @ 2016-05-15 22:44 meekyan 阅读(204) 评论(0) 推荐(1) 编辑