2017年7月22日
[Leetcode] Binary tree-- 606. Construct String from Binary Tree
摘要： You need to construct a string consists of parenthesis and integers from a binary tree with the preorder traversing way. The null node needs to be rep 阅读全文
posted @ 2017-07-22 10:08 安新 阅读(122) 评论(0) 推荐(0) 编辑