DIY: Reverse Nodes in k-Group
Explore how to reverse nodes in groups of k within a linked list without altering node values and using constant extra memory. This lesson helps you implement the reverseLinkedList(head, k) function to solve this frequently asked coding interview challenge, enhancing your problem-solving skills with linked lists.
We'll cover the following...
We'll cover the following...
Problem statement
Given a linked list, you will reverse the nodes of the linked list k at a time and return the modified list.
k is a positive integer and is less than or equal to the length of the linked list. If the number of nodes is not a multiple of k, then the nodes left in the end ...