Merge k Sorted Lists - Swift Solution | Interview Question From Google,Facebook
Merge k Sorted Lists, is a LeetCode problem from linked-list subdomain. This problem has also been asked in companies like Google,Facebook 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 Merge k Sorted Lists at LeetCode
Solution
Time Complexity: O(mlogn), m stands for the length of one list, n stands for the number of lists
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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