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].Not... 阅读全文
posted @ 2014-05-10 19:38 jostree 阅读(190) 评论(0) 推荐(0) 编辑