Next Permutation, is a LeetCode problem from Array 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 Next Permutation at LeetCode

Solution

with the least bigger one, then reverse all number afterwards

Time Complexity: O(n), Space Complexity: O(1)

Please check the main.swift snippet for the solution.

This solution originally posted at: Github by @soapyigu