Day 18: Lowest Common Ancestor of a Binary Search Tree (LeetCode 235) — BST Property O(h) скачать в хорошем качестве

Day 18: Lowest Common Ancestor of a Binary Search Tree (LeetCode 235) — BST Property O(h)

🎯 Day 18 of My LeetCode Journey | Lowest Common Ancestor of a Binary Search Tree (LeetCode 235) In this video, I solve LeetCode Problem #235 — Lowest Common Ancestor of a Binary Search Tree using the properties of a BST to efficiently find the LCA of two nodes. Instead of traversing the entire tree, we leverage the ordered nature of BSTs to make smart decisions at each step. 🔗 Problem Link: https://leetcode.com/problems/lowest-... 📌 PROBLEM SUMMARY: Given a Binary Search Tree (BST) and two nodes p and q, find their lowest common ancestor (LCA). The LCA is the lowest node in the tree that has both p and q as descendants (a node can be a descendant of itself). ✅ Example 1: Input: root = [6,2,8,0,4,7,9,null,null,3,5], p = 2, q = 8 Output: 6 ✅ Example 2: Input: root = [6,2,8,0,4,7,9,null,null,3,5], p = 2, q = 4 Output: 2 💡 KEY CONCEPTS: ✅ Binary Search Tree (BST) properties ✅ Lowest Common Ancestor (LCA) ✅ Iterative tree traversal ✅ Comparing node values ✅ Optimized tree search 📊 COMPLEXITY: • Time: O(h) — height of the BST • Space: O(h) - Recursion stack size 🎓 DIFFICULTY: Medium 🏷️ TOPICS: Tree, Binary Search Tree, DFS, LCA 🔔 SUBSCRIBE for daily LeetCode solutions and coding challenges! 👍 LIKE if this helped clarify BST concepts 💬 COMMENT with your approach or questions! 📚 MY LEETCODE JOURNEY PLAYLIST:    • Leetcode   🤝 CONNECT WITH ME: • GitHub: https://github.com/ashwinikemshetty • LinkedIn:   / ashwinikemshetty   #LeetCode #LeetCode235 #BinarySearchTree #LCA #Day18 #BST #DSA #Algorithms #CodingInterview #100DaysOfCode