摘要: Given a binary tree, flatten it to a linked list in-place. For example,Given 1 / \ 2 5 / \ \ 3 4 6 The flattened tree should look like: 1 \ 2 \ 3 \ 4 阅读全文
posted @ 2018-01-30 23:27 乐乐章 阅读(145) 评论(0) 推荐(0) 编辑