TreeNode* deleteNode(TreeNode* root,intkey) {//递归 检索由于是bst 二叉树 根据其特性可以快速查找对应的节点if(root==nullptr)returnnullptr;if(root->val<key){ root->right=deleteNode(root->right,key); }elseif(root->val>key){ root->left=deleteNode(root->left,key); }elseif(root->val==...
Given a root node reference of a BST and a key, delete the node with the given key in the BST. Return the root node reference (possibly updated) of the BST. Basically, the deletion can be divided into two stages: Search for a node to remove. If the node is found, delete the node...
Can you solve this real interview question? Delete Node in a BST - Given a root node reference of a BST and a key, delete the node with the given key in the BST. Return the root node reference (possibly updated) of the BST. Basically, the deletion can b
Given a root node reference of a BST and a key, delete the node with the given key in the BST. Return the root node reference (possibly updated) of the BST. Basically, the deletion can be divided into two stages: Search for a node to remove. If the node is found, delete the node...
Given a root node reference of a BST and a key, delete the node with the given key in the BST. Return the root node reference (possibly updated) of the BST. Basically, the deletion can be divided into two stages: Searchfora node to remove. ...
大家好,我是拿输出博客来督促自己刷题的老三,这一节我们来刷二叉树,二叉树相关题目在面试里非常高频,而且在力扣里数量很多,足足有几百道,不要慌,我们一步步来。我的文章很长,你们收藏一下。 二叉树-汇总 二叉树基础 二叉树是一种比较常见的数据结构,在开始刷二叉树之前,先简单了解一下一些二叉树的基础知识。
给定一个二叉搜索树的根节点 root 和一个值 key,删除二叉搜索树中的 key 对应的节点,并保证二叉搜索树的性质不变。返回二叉搜索树(有可能被更新)的根节点的引用。 一般来说,删除节点可分为两个步骤: 首先找到需要删除的节点; 如果找到了,删除它。 示例1: 输入:root = [5,3,6,2,4,null,7], key = ...
解法1:老实说,我没想出“BST”有没有值得深挖的地方。好像没什么可以特殊处理的地方啊? // Solution 1: Honestly, I haven't come up with a way to exploit the keyword "BST". Nothing seemed conspicuous to me. 代码1 // Code 1 450 Delete Node in a BST // #450 二叉搜索树删除节点 描述:如...
450 Delete Node in a BST 39.4% Medium 451 Sort Characters By Frequency 55.8% Medium 452 Minimum Number of Arrows to Burst Balloons 46.2% Medium 453 Minimum Moves to Equal Array Elements 49.1% Easy 454 4Sum II 50.4% Medium 455 Assign Cookies 48.3% Easy 456 132 Pattern 27.4% Medium 457 Cir...
Leetcode 1110 Delete Nodes And Return Forest (分治) 二叉搜索树(BST):BST特征:中序遍历为单调递增的二叉树,换句话说,根节点的值比左子树任意节点值都大,比右子树任意节点值都小,增删查改均为O(h)复杂度,h为树的高度;注意不是所有的BST题目都需要递归,有的题目只需要while循环即可 Leetcode 230 Kth Sma...