2023年5月23日
1127 ZigZagging on a Tree
摘要： 题目： Suppose that all the keys in a binary tree are distinct positive integers. A unique binary tree can be determined by a given pair of postorder and 阅读全文
posted @ 2023-05-23 13:51 Yohoc 阅读(28) 评论(0) 推荐(0)
1099 Build A Binary Search Tree
摘要： 题目： A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only no 阅读全文
posted @ 2023-05-23 09:46 Yohoc 阅读(30) 评论(0) 推荐(0)