摘要: Binary Tree Preorder TraversalGiven a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ ... 阅读全文
posted @ 2015-09-13 22:56 `Liok 阅读(641) 评论(0) 推荐(0) 编辑