Odd Even Linked 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 Odd Even Linked List at LeetCode


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