LeetCode Top 100 Liked Questions 543. Diameter of Binary Tree (Java版; Easy) 题目描述 Given a binary tree, you need to compute the length of the diameter of the tree. The diameter of a binary tree is the length of th
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 between two nodes p and q as the lowest node in T that has both p and q as descendants (where we allow...
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...
7 LeetCodeAnimation 75949 13990 Java 19 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 8 elasticsearch 72854 25238 Java 4170 Free and Open Source, Distributed, RESTful Search Engine 2025-06-04T01:33:39Z 9 int...
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. ...
what is the value in the case of HashSet? Well, in the case of HashSet a dummy object is used as a value and key objects are the actual element on Set point of view. Since HashMap doesn't allow duplicate keys it also follows the contract of set data structure to not allow ...
10 phoenix_live_view 6462 983 Elixir 55 Rich, real-time user experiences with server-rendered HTML 2025-05-15T21:50:38Z Go This is top 10, for more click Top 100 Stars in Go RankingProject NameStarsForksLanguageOpen IssuesDescriptionLast Commit 1 awesome-go 143841 12294 Go 5 A curated li...
LeetCode Top 100 Liked Questions 105. Construct Binary Tree from Preorder and Inorder Traversal (Java版; Medium) 题目描述 Given preorder and inorder traversal of a tree, construct the binary tree. Note: You may assume that duplicates do not exist in the tree. ...
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, ...
10 react-native-maps 15382 4869 Objective-C 59 React Native Mapview component for iOS + Android 2025-04-04T08:21:10Z Perl This is top 10, for more click Top 100 Stars in Perl RankingProject NameStarsForksLanguageOpen IssuesDescriptionLast Commit 1 cloc 20560 1046 Perl 27 cloc counts blank...