DIY: Reverse Nodes in k-Group
Understand how to reverse nodes in a linked list in groups of k without altering node values and using only constant extra space. This lesson helps you implement efficient in-place linked list manipulation, a frequent topic in coding interviews.
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 ...