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Minimum nodes to be removed to make a Binary tree complete

Last Updated: 23 July 2025

Given a binary tree with positive values of nodes, find the minimum number of nodes that need to be removed to transform it into a complete binary tree. Return 0 if the gi...read more

Difference between Full and Complete Binary Tree

Last Updated: 23 July 2025

A binary tree is a type of data structure where each node can only have two offspring at most named as “left” and “right” child.A Binary TreeThere are different types of b...read more

Design for Testability (DFT) in Software Testing

Last Updated: 23 July 2025

Design for Testability (DFT) is an essential strategy in software development that aims to enhance the efficiency and effectiveness of testing. By incorporating testabilit...read more

QA - Placement Quizzes-Data Interpretation

CSharp-TimeZoneInfo-Class

Software Testing

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Count number of nodes in a complete Binary Tree

Last Updated: 23 July 2025

Given the root of a Complete Binary Tree consisting of N nodes, the task is to find the total number of nodes in the given Binary Tree.Examples:Input:Output: 7Input:Output...read more

interview-preparation

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

DSA

Complete Binary Tree

interview-preparation

Binary Search Trees

median-finding

Print updated levels of each node of a Complete Binary Tree based on difference in weights of subtrees

Last Updated: 12 July 2025

Given a complete binary tree with N levels numbered [0, (N - 1 )] from root to the lowest level in decreasing order and having weights numbered between [1, 2N - 1] from th...read more

DSA

Complete Binary Tree

Generate Complete Binary Tree in such a way that sum of non-leaf nodes is minimum

Last Updated: 12 July 2025

Given an array arr[] of size N, the task is to generate a Complete Binary Tree in such a way that sum of the non-leaf nodes is minimum, whereas values of the leaf node cor...read more

Sideways traversal of a Complete Binary Tree

Last Updated: 12 July 2025

Given a Complete Binary Tree, the task is to print the elements in the following pattern. Let's consider the tree to be:The tree is traversed in the following way:The outp...read more

Find value K in given Complete Binary Tree with values indexed from 1 to N

Last Updated: 12 July 2025

Given a complete binary tree with values indexed from 1 to N and a key K. The task is to check whether a key exists in the tree or not. Print "true" if the key exists, oth...read more

DSA

Google

Complete Binary Tree

Count of nodes which are at a distance X from root and leaves

Last Updated: 12 July 2025

Given two integers N and X, where N is the number of nodes in an almost complete binary tree. The task is to find:The number of nodes that are at X distance from the root....read more

Number of edges in mirror image of Complete binary tree

Last Updated: 11 July 2025

Given a complete binary tree of depth H. If the mirror image from the left and the right side of this tree is taken then:Right Mirrored Image: Rightmost node of the every ...read more

Find the largest Complete Subtree in a given Binary Tree

Last Updated: 11 July 2025

Given a Binary Tree, the task is to find the size and also the inorder traversal of the largest Complete sub-tree in the given Binary Tree.Complete Binary Tree - A Binary ...read more

Linked complete binary tree & its creation

Last Updated: 09 March 2023

A complete binary tree is a binary tree where each level 'l' except the last has 2^l nodes and the nodes at the last level are all left-aligned. Complete binary trees are ...read more

Tree

DSA

Complete Binary Tree

URL: https://www.geeksforgeeks.org/tag/complete-binary-tree/

⇱ Complete Binary Tree Archives - GeeksforGeeks