Reverse Linked List - Swift Solution | Interview Question From Facebook,Facebook,Snapchat,Amazon,Microsoft
Reverse Linked List, is a LeetCode problem from linked-list subdomain. This problem has also been asked in companies like Facebook,Facebook,Snapchat,Amazon,Microsoft during the interview. In this post we will see how we can solve this challenge in Swift
Problem Description
You can find the full details of the problem Reverse Linked List at LeetCode
Solution
Time Complexity: O(n), Space Complexity: O(1)
Definition for singly-linked list.
public class ListNode {
public var val: Int
public var next: ListNode?
public init(_ val: Int) {
self.val = val
self.next = nil
}
}
Please check the main.swift snippet for the solution.
This solution originally posted at: Github by @soapyigu
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