摘要: Question :Given a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[... 阅读全文
posted @ 2015-08-16 14:51 jeremyatchina 阅读(264) 评论(0) 推荐(0) 编辑