Flatten 2D Vector, is a LeetCode problem. 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 Flatten 2D Vector at LeetCode

Solution

one to interate elements in a specifc array

Time Complexity: O(n) for next, O(n) for hasNext()

Space Complexity: O(n)

Please check the main.swift snippet for the solution.

This solution originally posted at: Github by @soapyigu