2020-01-12 18:28:13 问题描述: 问题求解: 本题还是非常困难的,至少我在看到这个题目的时候是没有想到怎么解决的.我当时联想到的题目是那条grid走两遍的题目,那条题目也很麻烦,使用的是dp. 本题最难的地方在于如何定义状态,其实本题可以看作是个路径规划问题,所以状态就是左指在的位置和右指在位置以及当前的字符位置. 之后递归去遍历解空间即可. int[][][] dp = new int[27][27][301]; public int minimumDistance(Stri…

In this problem, we will define a graph called star graph, and the question is to find the minimum distance between two given nodes in the star graph. Given an integer nnn, an n−dimensionaln-dimensionaln−dimensional star graph, also referred to as Sn…

In this problem, we will define a graph called star graph, and the question is to find the minimum distance between two given nodes in the star graph. Given an integer nn, an n-dimensionaln−dimensionalstar graph, also referred to as S_{n}S​n​​, is an…

783. 二叉搜索树结点最小距离 LeetCode783. Minimum Distance Between BST Nodes 题目描述 给定一个二叉搜索树的根结点 root, 返回树中任意两节点的差的最小值. 示例: 输入: root = [4,2,6,1,3,null,null] 输出: 1 解释: 注意: root 是树结点对象 (TreeNode object),而不是数组. 给定的树 [4,2,6,1,3,null,null] 可表示为下图: 4 / \ 2 6 / \ 1 3 最小…

problem 783. Minimum Distance Between BST Nodes 参考 1. Leetcode_easy_783. Minimum Distance Between BST Nodes; 完…

Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the values of any two different nodes in the tree. Example : Input: root = [4,2,6,1,3,null,null] Output: 1 Explanation: Note that root is a TreeNode objec…

Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the values of any two different nodes in the tree. Example : Input: root = [4,2,6,1,3,null,null] Output: 1 Explanation: Note that root is a TreeNode objec…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 中序遍历 日期 题目地址:https://leetcode.com/problems/minimum-distance-between-bst-nodes/description/ 题目描述 Given a Binary Search Tree (BST) with the root node root, return the minimum dif…

Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the values of any two different nodes in the tree. Example : Input: root = [4,2,6,1,3,null,null] Output: 1 Explanation: Note that root is a TreeNode objec…

Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the values of any two different nodes in the tree. Example : Input: root = [4,2,6,1,3,null,null] Output: 1 Explanation: Note that root is a TreeNode objec…