2017年10月25日
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 @ 2017-10-25 14:30 __Meng 阅读(152) 评论(0) 推荐(0) 编辑