Given the level order traversal of a Binary Search Tree, write an algorithm to construct the Binary Search Tree or BST from ITS given level order traversal. Example Input levelOrder[] = {18, 12, 20, 8, 15, 25, 5, 9, 22, 31} Output In-order : 5 8 9 12 15 18 …
Given a pre-order traversal of a Binary Search Tree(BST), write an algorithm to construct the BST from given preorder traversal. Examples Input preOrder[] = {7, 5, 3, 6, 9} Output Inorder : 3 5 6 7 9 Input preOrder[] = {12, 6, 1, 35, 20} Output Inorder : 1 6 …
In this problem we have given a Binary Search Tree, write an algorithm to convert best to a tree with sum of all smaller keys. Example Input Output Pre-order : 19 7 1 54 34 88 Naive Approach Traverse all the nodes one by one in any traversal form, and …
Given a Binary Search Tree, write an algorithm to find the node with the minimum value in a given binary search tree. Example Input Output 5 Naive Approach A simple approach is to do a tree traversal and find the node with the minimum value among all the nodes. This …
In this problem, we have inorder and preorder of the binary tree. We need to construct a binary tree from the given Inorder and Preorder traversals. Example Input: Inorder= [D, B, E, A, F, C] Preorder= [A, B, D, E, C, F] Output: Pre-order traversal of the tree formed by …
In reverse a path in BST using queue problem we have given a Binary Search Tree and node, write an algorithm to reverse the path from root to the given node. Assume that the node exists in the BST. Example Input Target Node = 12 Output In-order traversal before the …
In this problem, we have given a BST and a number k, find the kth smallest element in a BST. Examples Input tree[] = {5, 3, 6, 2, 4, null, null, 1} k = 3 Output 3 Input tree[] = {3, 1, 4, null, 2} k = 1 Output 1 …
In the balanced binary tree problem, we have given the root of a binary tree. We have to determine whether or not it is height balance. Examples Input Output true Input Output: false Balanced Binary Tree Every node in a balanced binary tree has a difference of 1 or less …
Given the linked list representation of a complete binary tree. The linked list is in the order of level order traversal of the tree. Write an algorithm to construct the complete binary tree back from its linked list representation. Example Input 1 -> 2 -> 3 -> 4 -> 5 …
In averages of levels in binary tree problem we have given a binary tree, print the averages of all the nodes of every level in the tree. Example Input: Output: {10.0, 25.0, 45.0, 70.0} Explanation: First Level : Average = (10) / 1 = 10.0 Second Level : Average = …