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Binary Search Trees

18 posts

Top 50 Binary Search Tree Coding Problems for Interviews

Last Updated: 23 July 2025

Binary Search Trees (BST) are like organized lists that help find, add, and remove items quickly. In our article "Top 50 Binary Search Tree Coding Problems for Interviews"...read more

interview-preparation

Binary Search Trees

C Program for Binary Search Tree

Last Updated: 23 July 2025

A binary Search Tree is a binary tree where the value of any node is greater than the left subtree and less than the right subtree. In this article, we will discuss Binary...read more

Binary Search Trees

POTD Solutions | 15 Oct' 23 | Normal BST to Balanced BST

Last Updated: 23 July 2025

View all POTD SolutionsWelcome to the daily solutions of our PROBLEM OF THE DAY (POTD). We will discuss the entire problem step-by-step and work towards developing an opti...read more

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Binary Search Trees

GFG-POTD-Solutions

What is Binary Search Tree

Last Updated: 23 July 2025

A binary search tree (BST) is a binary tree in which the left subtree of a node contains only nodes with less value and the right subtree of a node contains only nodes wit...read more

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Definitions and Meanings

Binary Search Trees

Maximum absolute difference between the sibling nodes of given BST

Last Updated: 23 July 2025

Given a BST (Binary Search Tree) with N Nodes, the task is to find the maximum absolute difference between the sibling nodes.Two nodes are said to be siblings if they are ...read more

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Technical Scripter

Technical Scripter 2022

Binary Search Trees

Search N elements in an unbalanced Binary Search Tree in O(N * logM) time

Last Updated: 23 July 2025

Given an Unbalanced binary search tree (BST) of M nodes. The task is to find the N elements in the Unbalanced Binary Search Tree in O(N*logM) time.Examples:Input: search[]...read more

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Technical Scripter

Technical Scripter 2022

Binary Search Trees

Sum of all nodes with smaller values at a distance K from a given node in a BST

Last Updated: 23 July 2025

Given a Binary Search Tree, a target node in the BST, and an integer value K, the task is to find the sum of all nodes that are at a distance K from the target node whose ...read more

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Binary Search Tree

Binary Search Trees

Sum of nodes in a Binary Search Tree with values from a given range

Last Updated: 23 July 2025

Given a Binary Search Tree consisting of n nodes and two positive integers l and r, the task is to find the sum of values of all the nodes that lie in the range [l, r].Exa...read more

Tree Traversals

Binary Search Trees

tree-level-order

Iterative approach to check if a Binary Tree is BST or not

Last Updated: 23 July 2025

Given a Binary Tree, the task is to check if the given binary tree is a Binary Search Tree or not. If found to be true, then print "YES". Otherwise, print "NO".Examples:In...read more

Inorder Traversal

Binary Search Trees

Kth Smallest element in a Perfect Binary Search Tree

Last Updated: 15 July 2025

Given a Perfect BST with N nodes and an integer K, the task is to find the Kth smallest element is present in the tree.Example:Input:K = 3, N = 15 50 ...read more

Complete Binary Tree

interview-preparation

Binary Search Trees

Check if the Binary Tree contains a balanced BST of size K

Last Updated: 15 July 2025

Given a Binary Tree and a positive integer K. The task is to check whether the Balanced BST of size K exists in a given Binary Tree or not. If it exists then print “Yes” e...read more

Binary Search Tree

PostOrder Traversal

Tree Traversals

Binary Search Trees

Binary Search Tree | Set 3 (Iterative Delete)

Last Updated: 15 July 2025

Given a binary search tree and a node of the binary search tree, the task is to delete the node from the Binary Search tree Iteratively.Here are the three cases that arise...read more

Binary Search Trees

Double Threaded Binary Search Tree

Last Updated: 02 December 2023

Double Threaded Binary Search Tree: is a binary search tree in which the nodes are not every left NULL pointer points to its inorder predecessor and the right NULL pointer...read more

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Advanced Data Structure

Binary Search Trees

threaded-binary-tree

Check if value exists in level-order sorted complete binary tree

Last Updated: 12 July 2025

Given a level-order sorted complete binary tree, the task is to check whether a key exists in it or not. A complete binary tree has every level except possibly the last, c...read more

Binary Search Trees

Find Leftmost and Rightmost node of BST from its given preorder traversal

Last Updated: 12 July 2025

Given a preorder sequence of the binary search tree of N nodes. The task is to find its leftmost and rightmost nodes.Examples:Input : N = 5, preorder[]={ 3, 2, 1, 5, 4 }Ou...read more

Preorder Traversal

Binary Search Trees