2015年11月26日
leetcode 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 @ 2015-11-26 20:49 hr_whisper 阅读(159) 评论(0) 推荐(0) 编辑