2016年5月17日
leetcode@ [310] Minimum Height Trees
摘要： For a undirected graph with tree characteristics, we can choose any node as the root. The result graph is then a rooted tree. Among all possible roote 阅读全文
posted @ 2016-05-17 12:16 流白 阅读(119) 评论(0) 推荐(0) 编辑