--- title: "#binarytrees articles | Hashnode" description: "Explore 125 articles tagged #binarytrees on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/binarytrees" --- Tag # #binarytrees 125 posts · 4 followers [Mayank Mahajan](https://hashnode.com/@Mayank9056) · [Oct 9](https://hashnode.com/posts/maximum-width-of-a-binary-tree-counting-the-nodes-that-aren-t-there/6ac9254cb8f25ffd2bd94a31) ### [Maximum Width of a Binary Tree: Counting the Nodes That Aren't There](https://mayankdev.hashnode.dev/maximum-width-of-a-binary-tree-counting-the-nodes-that-aren-t-there?utm_source=hashnode&utm_medium=feed) A BFS story about empty positions, heap-style indexes, and why re-basing keeps your numbers small. 5 min read · [mayankdev.hashnode.dev](https://mayankdev.hashnode.dev/maximum-width-of-a-binary-tree-counting-the-nodes-that-aren-t-there?utm_source=hashnode&utm_medium=feed) [Mayank Mahajan](https://hashnode.com/@Mayank9056) · [Oct 9](https://hashnode.com/posts/lowest-common-ancestor-of-a-binary-tree-leetcode-236-explained-simply-in-c/6ac8ff373d1abe2aedd8e660) ### [Lowest Common Ancestor of a Binary Tree (LeetCode 236) Explained Simply in C++](https://mayankdev.hashnode.dev/lowest-common-ancestor-of-a-binary-tree-leetcode-236-explained-simply-in-c?utm_source=hashnode&utm_medium=feed) From the family-tree idea to a 10-line recursive solution, step by step 10 min read · [mayankdev.hashnode.dev](https://mayankdev.hashnode.dev/lowest-common-ancestor-of-a-binary-tree-leetcode-236-explained-simply-in-c?utm_source=hashnode&utm_medium=feed) [Mayank Mahajan](https://hashnode.com/@Mayank9056) · [Oct 6](https://hashnode.com/posts/binary-tree-right-side-view-one-node-per-level/6ac53d9bcaa83d2cebce552b) ### [Binary Tree Right Side View: One Node Per Level](https://mayankdev.hashnode.dev/binary-tree-right-side-view-one-node-per-level?utm_source=hashnode&utm_medium=feed) Understand LeetCode 199 once, then solve it twice with right-first DFS and level-order BFS. 10 min read · [mayankdev.hashnode.dev](https://mayankdev.hashnode.dev/binary-tree-right-side-view-one-node-per-level?utm_source=hashnode&utm_medium=feed) [Mayank Mahajan](https://hashnode.com/@Mayank9056) · [Sep 27](https://hashnode.com/posts/binary-tree-traversals-preorder-inorder-postorder-explained/6ab8e40c1e091b12c2d6b99e) ### [Binary Tree Traversals: Preorder, Inorder & Postorder Explained](https://mayankdev.hashnode.dev/binary-tree-traversals-preorder-inorder-postorder-explained?utm_source=hashnode&utm_medium=feed) Understand the three fundamental depth-first traversals using recursion, visual examples, and C++ & Java implementations. 6 min read · [mayankdev.hashnode.dev](https://mayankdev.hashnode.dev/binary-tree-traversals-preorder-inorder-postorder-explained?utm_source=hashnode&utm_medium=feed) [Prakhar Srivastava](https://hashnode.com/@prakhar-srv) · [May 20](https://hashnode.com/posts/avl-trees-explained-rotations-balance-factors-and-self-balancing-bsts/6a0e11ac8b03460221ae4878) ### [AVL Trees Explained: Rotations, Balance Factors, and Self-Balancing BSTs](https://codeintuition.hashnode.dev/avl-trees-explained-rotations-balance-factors-and-self-balancing-bsts?utm_source=hashnode&utm_medium=feed) Why AVL trees stay O(log n): balance factors, rotations, and the invariant that stops BSTs degrading into linked lists. 10 min read · [codeintuition.hashnode.dev](https://codeintuition.hashnode.dev/avl-trees-explained-rotations-balance-factors-and-self-balancing-bsts?utm_source=hashnode&utm_medium=feed) [Yashraj](https://hashnode.com/@viewport) · [May 17](https://hashnode.com/posts/mastering-binary-tree-algorithms-traversals-lca-and-serialization/6a0a12313104e2aff0ccaa09) ### [Mastering Binary Tree Algorithms: Traversals, LCA, and Serialization](https://yashrajxdev.blog/mastering-binary-tree-algorithms-traversals-lca-and-serialization?utm_source=hashnode&utm_medium=feed) Learn binary tree algorithms with clear, interview-ready explanations: DFS traversals, Lowest Common Ancestor, and serialization/deserialization with code examples. 9 min read · [yashrajxdev.blog](https://yashrajxdev.blog/mastering-binary-tree-algorithms-traversals-lca-and-serialization?utm_source=hashnode&utm_medium=feed) [Danny Zheng](https://hashnode.com/@dannycoder) · [Feb 21](https://hashnode.com/posts/trees-minmax-and-binary-search-trees/69993525a20b74e093de9a85) ### [Trees, MinMax, and Binary Search Trees](https://blog.hackunited.org/trees-minmax-and-binary-search-trees?utm_source=hashnode&utm_medium=feed) By: Namish Joshi 4 min read · [blog.hackunited.org](https://blog.hackunited.org/trees-minmax-and-binary-search-trees?utm_source=hashnode&utm_medium=feed) [Codunite Private Limited](https://hashnode.com/@codunite) · [Aug 16, 2025](https://hashnode.com/posts/top-benefits-of-using-binary-mlm-software-for-network-growth/68a0751774d01e233a7e6d2f) ### [Top Benefits of Using Binary MLM Software for Network Growth](https://binarymlmsoftware.hashnode.dev/top-benefits-of-using-binary-mlm-software-for-network-growth?utm_source=hashnode&utm_medium=feed) Discover the top benefits of using Binary MLM Software for network growth. Automate commissions, track distributors, ensure transparency. 2 min read · [binarymlmsoftware.hashnode.dev](https://binarymlmsoftware.hashnode.dev/top-benefits-of-using-binary-mlm-software-for-network-growth?utm_source=hashnode&utm_medium=feed) [CHAO DU](https://hashnode.com/@chaos789) · [Aug 15, 2025](https://hashnode.com/posts/symmetric-tree-leetcode-101-recursive-and-iterative-solutions-explained/689e96b94871a1f6dfe4c612) ### [🌲 Symmetric Tree (LeetCode 101) — Recursive and Iterative Solutions Explained](https://leetlog-by-chao.hashnode.dev/symmetric-tree-leetcode-101-recursive-and-iterative-solutions-explained?utm_source=hashnode&utm_medium=feed) Learn how to check if a binary tree is symmetric using both recursive and iterative methods. A step-by-step breakdown of LeetCode 101 with Java code 3 min read · [leetlog-by-chao.hashnode.dev](https://leetlog-by-chao.hashnode.dev/symmetric-tree-leetcode-101-recursive-and-iterative-solutions-explained?utm_source=hashnode&utm_medium=feed) [HR Insider - Your Career Growth](https://hashnode.com/@hrinsiderin) · [Aug 2, 2025](https://hashnode.com/posts/mastering-binary-search-a-key-to-efficient-data-structures-and-algorithms/688ddebcacacc7109f334f7c) ### [Mastering Binary Search: A Key to Efficient Data Structures and Algorithms](https://hrinsiderin.hashnode.dev/mastering-binary-search-a-key-to-efficient-data-structures-and-algorithms?utm_source=hashnode&utm_medium=feed) Learn the essentials of binary search and its role in optimizing data structures and algorithms for efficient coding and problem-solving 2 min read · [hrinsiderin.hashnode.dev](https://hrinsiderin.hashnode.dev/mastering-binary-search-a-key-to-efficient-data-structures-and-algorithms?utm_source=hashnode&utm_medium=feed)