Swap Nodes in Pairs
Explore how to swap adjacent nodes in a singly linked list using in-place manipulation techniques. Understand the constraints and learn to implement an optimal O(n) time and O(1) space solution without changing node values.
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 ...