Coding Interview Questions

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.…

Given a number, you need to check if the number is a power of 2, return true or false accordingly. Example: Input: 1 Output: True Because 2^0…

Problem statement: You are given a number, return the number of set bits if that number, when represented that number in binary format.…

Problem Statement: You are given a number as input. You need to reverse the bits in it’s binary form and print the output. The maximum length…