Swap Nodes in Pairs
Explore how to swap every two adjacent nodes in a singly linked list without modifying node values. Understand the problem constraints and develop an optimal in-place O(n) time and O(1) space solution to manipulate linked lists efficiently.
We'll cover the following...
We'll cover the following...
Statement
Given a singly linked list, swap every two adjacent nodes of the linked list. After the swap, return the head of the linked list.
Note: Solve the problem without modifying the values in the list’s nodes. ...