Jessie Yujessieyu1.hashnode.dev·Mar 7, 2024Leetcode 24 Swap Nodes in PairsGiven a linked list, swap every two adjacent nodes and return its head. You must solve the problem without modifying the values in the list's nodes (i.e., only nodes themselves may be changed.) Example 1: Input: head = [1,2,3,4] Output: [2,1,4,3] E...LeetcodeleetcodeAdd a thoughtful commentNo comments yetBe the first to start the conversation.