# Category Archives: Binary Search Tree

Construct the BST (Binary Search Tree) from its given level order traversal. Examples: Input : arr[] = {7, 4, 12, 3, 6, 8, 1, 5,… Read More
Given two BSTs containing n1 and n2 distinct nodes respectively. Given a value x. The problem is to count all pairs from both the BSTs… Read More
We have given a binary search tree and we want to delete the leaf nodes from the binary search tree. Examples: Input : 20 10… Read More
Qualcomm visited for both Full time and Internship profiles for both hardware as well as software profiles. Round 1 1st Round was an online MCQ… Read More
We have a binary search tree and a number N. Our task is to find the greatest number in the binary search tree that is… Read More
Given an array of N element. The task is to check if it is Inorder traversal of any Binary Search Tree or not. Print “Yes”… Read More
Given a binary search tree which is also a complete binary tree. The problem is to convert the given BST into a Min Heap with… Read More
Given a Binary Search Tree, find median of it. If no. of nodes are even: then median = ((n/2th node + (n+1)/2th node) /2 If… Read More
Given a Preorder traversal of a Binary Search Tree. The task is to print leaf nodes of the Binary Search Tree from the given preorder.… Read More
A threaded binary tree node looks like following. CPP struct Node {     struct Node *left, *right;     int info;       // True if left pointer points… Read More
Vmware conducted their online exam via hirepro. Round 1 : There were 3 sections quants, Technical questions and OOPs based questions, no section had negative… Read More
Round 1 ( Coding Round + MCQs ): Platform : Hackerearth Maximum 0 flipping subarray Find a tour that visits all stations The test cases… Read More
Given a Binary Tree, write a function that returns the size of the largest subtree which is also a Binary Search Tree (BST). If the… Read More
1st Round : 1)https://www.geeksforgeeks.org/maximum-product-subarray/ 2)https://www.geeksforgeeks.org/sort-an-almost-sorted-array-where-only-two-elements-are-swapped/ 3) Delete all nodes whose value is greater than K 2nd Round (1 hr 30 mins) 1) Clone a Binary… Read More
We have already discuss the Binary Threaded Binary Tree.Insertion in Binary threaded tree is similar to insertion in binary tree but we will have to… Read More