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Odd level sum of given Binary Tree

Last Updated: 16 November 2023

Given a binary tree, write a function that takes the root node and updates the original tree in such a way every node that is present at an odd level gets updated as the s...read more

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Minimum operation to make every leaf node equal

Last Updated: 23 July 2025

Given a binary tree that contains multiple nodes, the task is to find a minimum number of operations required to make leaf nodes at the same level equal. By performing one...read more

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Data Structures-Tree Traversals

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Level Order Traversal of N-ary Tree

Last Updated: 23 July 2025

Given an N-ary Tree. The task is to print the level order traversal of the tree where each level will be in a new line.Examples:Input:ImageOutput:13 2 45 6Explanation: At ...read more

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Check if level-wise Decimal equivalent of Binary Tree forms a Monotonic sequence or not

Last Updated: 23 July 2025

Given the root of a binary tree in which all nodes has values either 0 or 1, the task is to check if the level-wise decimal equivalent of given Tree forms a monotonic sequ...read more

Pattern Searching

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Zig-Zag level order traversal of Binary Tree after every K levels

Last Updated: 23 July 2025

Given a binary tree and an integer k, the task is to print the level order traversal in such a way that first k levels are printed from left to right, next k levels are pr...read more

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Print List of nodes of given n-ary Tree with number of children in range [0, n]

Last Updated: 23 July 2025

Given an n-ary Tree having N nodes numbered from 1 to N, the task is to print a list of nodes containing 0, 1, 2, 3, . . ., n children.Note: An n-ary Tree is a tree in whi...read more

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Find all duplicate levels of given Binary Tree

Last Updated: 23 July 2025

A binary tree is a tree data structure in which each node has at most two child nodes, referred to as the left and right children. In this question, the task is to find al...read more

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Find the level with maximum setbit count in given Binary Tree

Last Updated: 23 July 2025

Given a binary tree having N nodes, the task is to find the level having the maximum number of setbits.Note: If two levels have same number of setbits print the one which ...read more

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Find Level wise positions of given node in a given Binary Tree

Last Updated: 23 July 2025

Given a binary tree and an integer X, the task is to find out all the occurrences of X in the given tree, and print its level and its position from left to right on that l...read more

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Print all Nodes of given Binary Tree at the Kth Level

Last Updated: 23 July 2025

Given a binary tree and an integer K, the task is to print all the integers at the Kth level in the tree from left to right.Examples:Input: Tree in the image below, K = 3O...read more

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Difference between odd level and even level leaf sum in given Binary Tree

Last Updated: 23 July 2025

Given a Binary Tree, the task is to find the difference of the sum of leaf nodes at the odd level and even level of the given tree.Examples:Input:Output: -12Explanation: F...read more

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Find the parent node of maximum product Siblings in given Binary Tree

Last Updated: 23 July 2025

Given a binary tree, the task is to find the node whose children have maximum Sibling product in the given Binary Tree. If there are multiple such nodes, return the node w...read more

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Sum of leaf nodes at each horizontal level in a binary tree

Last Updated: 23 July 2025

Given a Binary Tree, the task is to find the sum of leaf nodes at every level of the given tree.Examples:Input:Output:0063012Explanation:Level 1: No leaf node, so sum = 0L...read more

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Level order traversal by converting N-ary Tree into adjacency list representation with K as root node

Last Updated: 23 July 2025

Given the root node of an N-ary tree and an integer K, the task is to convert the given tree into adjacency list representation and print the level order traversal conside...read more

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Graph Traversals

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Left and Right view of a Generic Tree

Last Updated: 23 July 2025

Given a Generic Tree consisting of N nodes, the task is to find the left and right views of the given generic Tree.Examples:Input: 1 / \ 2 3 ...read more

Tree Traversals

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