Given two numbers represented by two linked lists, write a function that returns sum list. The sum list is linked list representation of addition of… Read More »

Maximum sum of K consecutive nodes in the given Linked List

Given a linked list, the task is tofind the maximum sum obtained by adding any k consecutive nodes of linked list. Examples: Input: 1 ->… Read More »

Sum of distances between the two nearest perfect squares to all the nodes of the given linked list

Given a linked list, the task is to find the sum of distances between the two nearest perfect squares for all the nodes of the… Read More »

Run Length Decoding in Linked List

Given an encoded Linked List which is encoded using the Run Length Encoding algorithm. The task is to decode the given linked list and generate… Read More »

Find the balanced node in a Linked List

Given a linked list, the task is to find the balanced node in a linked list. A balanced node is a node where the sum… Read More »

Convert a given Binary Tree to Circular Doubly Linked List | Set 2

Given a Binary Tree, convert it to a Circular Doubly Linked List. The left and right pointers in nodes are to be used as previous… Read More »

Count duplicates in a given linked list

Given a linked list. The task is to count the number of duplicate nodes in the linked list. Examples: Input: 5 -> 7 -> 5… Read More »

Create new linked list from two given linked list with greater element at each node

Given two linked list of the same size, the task is to create a new linked list using those linked lists. The condition is that… Read More »

Divide the given linked list in two lists of size ratio p:q

Given a linked list and two integers p and q, the task is to divide the linked list in the ratio p:q i.e. the first… Read More »

Create a linked list from two linked lists by choosing max element at each position

Given two linked list of equal sizes, the task is to create new linked list using those linked lists where at every step, the maximum… Read More »

Create linked list from a given array

Given an array arr[] of size N. The task is to create linked list from the given array. Examples: Input : arr[]={1, 2, 3, 4,… Read More »

Sum of all odd frequency nodes of the Linked List

Given a linked list, the task is to find the sum of all the odd frequency nodes from the given linked list. Examples: Input: 8… Read More »

Sum of smaller elements of nodes in a linked list

Given a linked list, every node of which consists of a pair of integer variables first and second to hold the data, and a pointer… Read More »

Sum of all distinct nodes in a linked list

Given a linked list and it may consist of duplicate nodes. The task is to find the sum of non-duplicate nodes. Examples: Input: 1 ->… Read More »

Bubble Sort for Linked List by Swapping nodes

Given a singly linked list, sort it using bubble sort by swapping nodes. Example: Input: 10->30->20->5 Output: 5->10->20->30 Input: 20->4->3 Output: 3->4->20 Recommended: Please try… Read More »