Reverse a Doubly Linked List
Reverse a Doubly Linked List In this problem, we will be given a doubly linked list as input and we need to reverse it. Let the given input be: Input...
Find the sum of last n nodes of the given Linked List
We will be given a linked list and a number n as input and we need to find sum of the last n nodes of the linked list. Let the...
Remove all occurrences of duplicates from a sorted Linked List
Remove all occurrences of duplicates from a sorted Linked List In this problem, we are given a LinkedList (root node) and are asked to delete all the nodes occurring more...
Find the length of a loop in the linked list
The linked list is one of the most important concepts and data structures to learn while preparing for interviews. As we know a LinkedList allows only insertions and deletion at...
Bubble Sort On Doubly Linked List
Sorting a linked list can be troublesome sometimes, but there are multiple algorithms to do so easily. A bubble sort might not be the most efficient one for sorting a...
Top 30 Java Programming interview questions
Top 30 Java Programming interview questions Check if a given number is palindrome or not. Ans. A palindrome is a number which is when reversed give the same number. We...
Top 50 Basic interview questions from C
Top 50 Basic interview questions from C What do you mean by dangling pointer? Ans. If a pointer is pointing to some address of a variable and at that moment...
20 Must Practice basic Java Programs for beginners
20 Must Practice basic Java Programs for beginners Write a program to swap two numbers in Java. Ans. Two ways to do this -with third variable and without third variable....
Commonly asked interview questions on c
Commonly asked interview questions on c Why do we still use C? Isn’t it quite old? Ans. C is considered to be the mother of all modern-day languages. It was...
10 simple c++ programs for beginners
10 simple c++ programs for beginners C++ is one the most popular languages in the programming world. In this article we will be looking towards 10 simple programs for beginners...