Given a positive number N, we need to reach to 1 in minimum number of steps where a step is defined as converting N to… Read More

There are Q queries. Each query is of the form of L and R. The task is to output sum of number of prime factors… Read More

The strdup() and strndup() functions are used to duplicate a string. strdup() : Syntax : char *strdup(const char *s); This function returns a pointer to a null-terminated byte… Read More

A sorted array contains 6 different numbers, only 1 number is repeated five times. So there are total 10 numbers in array. Find the duplicate… Read More

Python is an amazingly user-friendly language with the only flaw of being slow. In comparison to C, C++, and Java, it is quite slower. Online… Read More

Question : How much time Insertion sort takes to sort an array of size n in below form? arr[] = 2, 1, 4, 3, 6,… Read More

Requirement was that the candidates should have strong troubleshooting skills, strong knowledge of scripting in any language + Strong coding skills and problem solving skills.… Read More

Given an integer, count the number of trailing zeroes. For example, for n = 12, its binary representation is 1100 and number of trailing zero… Read More

In a program, comments take part in making the program become more human readable by placing the detail of code involved and proper use of… Read More

Given a 2N x 2N matrix of integers. You are allowed to reverse any row or column any number of times and in any order.… Read More

Given an array of N integers where N is even. There are two kinds of operations allowed on the array. Increase the value of any… Read More

Given a positive weighted undirected graph, find the minimum weight cycle in it. Examples: Attention reader! Don’t stop learning now. Get hold of all the important… Read More

We have discussed Singly and Circular Linked List in the following post: Singly Linked List Circular Linked List Why Circular? In a singly linked list, for accessing… Read More