LeetCode-Binary Tree Preorder Traversal
摘要：
Given a binary tree, return the preorder traversal of its nodes' values.For example:Given binary tree {1,#,2,3}, 1 \ 2 / 3return [1,2,3]... 阅读全文
posted @ 2015-03-12 11:46 IncredibleThings 阅读(144) 评论(0) 推荐(0) 编辑