ZigZagConverstion, 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 ZigZagConverstion at LeetCode

Solution

Primary idea: The first and the last row, loop length is (2 * numRows - 2)

          For each row between them, should insert another number, index = index + 2 * (numRows - i - 1)

Time Complexity: O(log(n + m)), Space Complexity: O(1)

Please check the main.swift snippet for the solution.

This solution originally posted at: Github by @soapyigu