Given a XOR linked list, the task is to reverse the XOR linked list. Examples: Input: 4 <–> 7 <–> 9 <–> 7Output: 7 <–>… Read More

# Tag Archives: doubly linked list

Given a Doubly linked list(DLL) containing N nodes and an integer X, the task is to find the position of the integer X in the… Read More

A Doubly Linked List(DLL) is a linear data structure that contains an extra pointer, typically called the previous pointer, together with the next pointer and… Read More

Given a 2-variable polynomial represented by a doubly linked list, the task is to find the partial derivative of a polynomial stored in the doubly-linked… Read More

A linked list is a linear data structure, in which the elements are not stored at contiguous memory locations. The elements in a linked list… Read More

llist is an extension module of CPython that provides a basic linked list structure. They are significantly faster that dequeue and even the standard list… Read More

Given a binary tree and the task if to check if its Inorder Sequence is a palindrome or not. Examples: Input: Output: True Explanation: The… Read More

Given a Doubly linked list and Circular singly linked list containing N nodes, the task is to remove all the nodes from each list which… Read More

A Doubly Linked List (DLL) contains an extra pointer, typically called the previous pointer, together with the next pointer and data which are there in… Read More

Given a Doubly linked list containing N nodes, the task is to remove all the nodes from the list which contains elements whose digit sum… Read More

Given a 2D matrix, the task is to convert it into a doubly-linked list with four pointers that are next, previous, up, and down, each… Read More

Given a doubly linked list containing N nodes, the task is to remove all the nodes from the list which contains Fibonacci numbers.Examples: Input: DLL… Read More

Prerequisites: Doubly Linked List Given a doubly-linked list, the task is to swap Kth node from the beginning with Kth node from the ending. Note:… Read More

Given a doubly-linked list and an integer N, the task is to rotate the linked list clockwise by N nodes. Examples: Input: N = 2… Read More

Given K sorted doubly linked list. The task is to merge all sorted doubly linked list in single sorted doubly linked list means final list… Read More