題目:驗證二叉搜索樹 難度:Medium 題目內容: 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 contains only nodes with keysless thanthe node s key. The right ...
2015-02-24 02:26 17 26141 推薦指數:
題目:驗證二叉搜索樹 難度:Medium 題目內容: Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows ...
98. 驗證二叉搜索樹 知識點:二叉樹;遞歸 題目描述 給定一個二叉樹,判斷其是否是一個有效的二叉搜索樹。 假設一個二叉搜索樹具有如下特征: 節點的左子樹只包含小於當前節點的數。 節點的右子樹只包含大於當前節點的數。 所有左子樹和右子樹自身必須也是二叉搜索樹。 示例 ...
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. ...
Given an array of numbers, verify whether it is the correct preorder traversal sequence of a binary search tree. You may assume each number ...
@ 目錄 1、二叉搜索樹 1.1、 基本概念 1.2、樹的節點(BinaryNode) 1.3、構造器和成員變量 1.3、公共方法(public method) 1.4、比較函數 1.5、contains 函數 ...
二叉搜索樹 若既要求對象集合的組成可以高效率的動態調整,同時也要求能夠高效率的查找。 通過對二分查找策略的抽象與推廣,定義並實現二叉搜索樹結構,基於半線性的樹形結構,正是后續內容的立足點和出發點。 二叉搜索樹為我們同時實現高效的靜態操作以及動態操作提供了基礎 ...
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 ...