https://leetcode.com/problems/validate-stack-sequences/ find out an element in the given sorted row and coloumn matrix. https://leetcode.com/problems/linked-list-cycle/ Top view of a binary Tree psuedo code for Topological sort Again two interviewers started from intro and explain one of yo...
https://leetcode.cn/problems/number-of-ways-to-reconstruct-a-tree 这道题曾经在周赛难度分top1呆了几年,如今已经不在难度分top5了。破局的关键是父节点的邻居数肯定不少于子节点,而根节点的邻居数一定是n-1。所以应该先找到根节点,然后逐层向下建树,子节点的邻居一定是父节点的子集,否则就是非法;如果子...
LeetCode Top 100 Liked Questions 297. Serialize and Deserialize Binary Tree (Java版; Hard) 题目描述 Serialization is the process of converting a data structure or object into a sequence of bits so that it can be stored in a file or memory buffer, or transmitted across a network connection l...
public void flatten(TreeNode root) { if(root==null) return; TreeNode curr = root; while(curr!=null){ //保存右子树, 后面用 TreeNode oldRight = curr.right; //左子树不为空, 执行一系列改变指向的操作 if(curr.left!=null){ //找到左子树的最右节点 TreeNode rightMost = curr.left; while(...
0094-Binary-Tree-Inorder-Traversal 0095-Unique-Binary-Search-Trees-II 0096-Unique-Binary-Search-Trees 0098-Validate-Binary-Search-Tree 0099-Recover-Binary-Search-Tree 0100-Same-Tree 0101-Symmetric-Tree 0102-Binary-Tree-Level-Order-Traversal 0104-Maximum-Depth-of-Binary-Tr...
10 phoenix_live_view 6464 983 Elixir 54 Rich, real-time user experiences with server-rendered HTML 2025-05-19T17:24:21Z Go This is top 10, for more click Top 100 Stars in Go RankingProject NameStarsForksLanguageOpen IssuesDescriptionLast Commit 1 awesome-go 143945 12297 Go 5 A curated li...
Given a binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to any node in the tree along the parent-child connections. The path does not need to go through the root. ...
LeetCode Top 100 Liked Questions 236. Lowest Common Ancestor of a Binary Tree (Java版; Medium) 题目描述 Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree. According to the definition of LCA on Wikipedia: “The lowest common ancestor is defined betw...
6 LeetCodeAnimation 75109 13963 Java 17 Demonstrate all the questions on LeetCode in the form of animation.(用动画的形式呈现解LeetCode题目的思路) 2023-08-14T12:14:01Z 7 advanced-java 74980 18918 Java 5 😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网...
Interview 6.2k Interview = 简历指南 + LeetCode + Kaggle tensorlayer 6.2k Deep Learning and Reinforcement Learning Library for Scientists and Engineers 🔥 generative-models 6.1k Collection of generative models, e.g. GAN, VAE in Pytorch and Tensorflow. machine-learning-yearning-cn 6.1k Machine Lear...