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Feb 21, 2025 · 1 min read · 1. Basics Search an element Ceil of an element Floor of an element Insert an element Delete an element 2. Medium Find K-th smallest/largest element in BST Check if a tree is a BST or BT LCA in Binary Search Tree Construct a BST from a pre...
Join discussionFeb 3, 2025 · 2 min read · 1. Tree Traversal Techniques Inorder Traversal (Recursive, Iterative) Preorder Traversal (Recursive, Iterative) Postorder Traversal (Recursive, Iterative) Level Order Traversal (BFS Approach) Zigzag Level Order Traversal Boundary Traversal of B...
Join discussionJan 1, 2025 · 4 min read · Hierarchical databases Network databases Object-oriented databases Relational databases NoSQL databases 1. Hierarchical Databases : Just as in any hierarchy, this database follows the progression of data being categorized in ranks or levels, wherein ...
Join discussionDec 21, 2024 · 2 min read · Missing Values It is not unusual for an object to be missing one or more attribute values. In some cases, the information was not collected. Example: Some people decline to provide their age or weight. In other cases, certain attributes are not a...
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