These problems are related to linked list.
Split a circular linked list - May 22, 2023
LFU cache - January 29, 2023
Convert binary search tree to sorted doubly linked list - December 23, 2022
Flatten a multilevel doubly linked list - December 23, 2022
Delete n nodes after m nodes of a linked list - December 19, 2022
Remove nodes from linked list - December 11, 2022
Add two polynomials represented as linked lists - December 9, 2022
Insert into a sorted circular linked list - December 8, 2022
Middle of the linked list - December 5, 2022
Remove duplicates from an unsorted linked list - November 30, 2022
Print immutable linked list in reverse - November 29, 2022
Remove zero sum consecutive nodes from linked list - November 28, 2022
Design browser history - November 26, 2022
Maximum twin sum of a linked list - November 26, 2022
Next greater node in linked list - November 26, 2022
Spiral matrix IV - November 26, 2022
Add two numbers II - November 25, 2022
Swapping nodes in a linked list - November 25, 2022
design linked list - November 21, 2022
Linked list in binary tree - November 21, 2022
Linked list components - November 18, 2022
Merge in between linked lists - November 5, 2022
Convert binary number in a linked list to integer - October 16, 2022
Delete the middle node of a linked list - October 14, 2022
Reverse linked list II - October 7, 2022
Delete node in a linked list - October 4, 2022
Intersection of two linked lists - October 1, 2022
Remove linked list elements - September 9, 2022
Merge nodes in between zeros - September 6, 2022
Linked list random node - September 6, 2022
Linked list cycle II - September 5, 2022
Sort list - September 5, 2022
Insertion sort list - September 1, 2022
Remove duplicates from sorted list - August 30, 2022
Remove duplicates from sorted list II - August 30, 2022
Swap nodes in pairs - August 27, 2022
Rotate list - August 24, 2022
Palindrome linked list - August 23, 2022
Merge k sorted lists - August 6, 2022
Reverse nodes in k group - August 6, 2022
LRU cache - August 5, 2022
Find the duplicate number - August 4, 2022
Reorder list - August 1, 2022
Add two numbers - August 1, 2022
Copy list with random pointer - August 1, 2022
Remove nth node from end of list - July 23, 2022
Partition list - July 22, 2022
Linked list cycle - July 19, 2022
Merge two sorted list - July 15, 2022
Reverse linked list - July 15, 2022