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In this tutorial we shall see how to do vertical order traversal. Problem Statement: You are given a root node of a tree, you need to print…

In this tutorial we shall see how to print level by level of the tree nodes. Problem Statement: Given the root node of the tree, print the…

Problem Statement: Given a binary tree, print the left and right view of the tree. For example: If you have a tree as below: The left view…

In this chapter we shall learn how to print top view of a binary tree. Problem Statement: You are given a root node of the tree print the top…

We shall solve boundary traversal of binary tree in this tutorial. Problem Statement: Given a binary tree, list all the nodes that come in the…

In this tutorial, we shall solve how to print bottom view of a binary tree. Problem statement: You are given a binary tree; you need to print…

You are given a number range, you need to find the bitwise and of all the numbers in the range. Example: [5, 7] The bitwise and of 5, 6, 7…

You are given 2 integers, and you need to return the count at which the bits are different in their binary form. Consider 8 and 1 As…

You are given a number; you need to create an array to fill the number of 1’s present in their binary format. Example: Input n = 3 Output =…

Problem statement: You are given an array of numbers from 1 to n, in any order, one number will be missing. You need to find a missing number.…