2019年3月28日
145. Binary Tree Postorder Traversal
摘要： Given a binary tree, return the postorder traversal of its nodes' values. Example: Follow up: Recursive solution is trivial, could you do it iterative 阅读全文
posted @ 2019-03-28 16:39 __Meng 阅读(109) 评论(0) 推荐(0)
144. Binary Tree Preorder Traversal
摘要： Given a binary tree, return the preorder traversal of its nodes' values. Example: Follow up: Recursive solution is trivial, could you do it iterativel 阅读全文
posted @ 2019-03-28 16:26 __Meng 阅读(106) 评论(0) 推荐(0)