2014年6月16日
[LeetCode OJ] Symmetric Tree
摘要： Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ... 阅读全文
posted @ 2014-06-16 22:50 Marrybe 阅读(242) 评论(0) 推荐(0) 编辑