摘要: Given a binary tree, return thepreordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,2,3].用递归... 阅读全文
posted @ 2015-02-27 15:56 mrpod2g 阅读(86) 评论(0) 推荐(0)