DIY: Reverse Nodes in k-Group
Understand how to reverse nodes in a linked list k at a time without changing node values, using only constant extra memory. Learn to implement the reverseLinkedList function to modify the list correctly, preserving the order of leftover nodes when not divisible by k.
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 ...