2019年6月2日
【LeetCode每天一题】Binary Tree Preorder Traversal(前序遍历)
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 @ 2019-06-02 17:17 GoodRnne 阅读(427) 评论(0) 推荐(0) 编辑