Givenn, how many structurally uniqueBST s binary search trees that store values ...n For example,Givenn , there are a total of unique BST s. 题意：给定数n，二叉树的结点的值分别为 , ....n。问能组成多少种不同的二叉搜索树。 二叉搜索树的性质为：在任一结 ...
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Given n, how many structurally unique BST's (binary search trees) that store values 1 ... n? Example: 这道题实际上是 卡塔兰数 Catalan Numbe 的一个例子，如果对卡 ...
Search Trees 的延伸，之前那个只要求算出所有不同的二叉搜索树的个数，这道题让把那些二叉树都 ...
Given the root node of a binary search tree (BST) and a value. You need to find the node in the BST that the node's value equals the given value. ...
Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its structure. Example 1: Example ...
Given the root node of a binary search tree (BST) and a value to be inserted into the tree, insert the value into the BST. Return the root node ...
题目：验证二叉搜索树 难度：Medium 题目内容： Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows ...
Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node ...
Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST. Calling next() will return ...
