Remove Nth Node From End of List - Swift Solution @ LeetCode

Remove Nth Node From End of List, is a LeetCode problem from linked-list subdomain. 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 Remove Nth Node From End of 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