摘要: 问题描述: Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree [1,2,2,3,4,4,3] is 阅读全文
posted @ 2016-09-24 18:57 32ddd 阅读(198) 评论(0) 推荐(0) 编辑