LeetCode 670. Maximum Swap in F#

URL https://leetcode.com/problems/maximum-swap/description/?envType=daily-question&envId=2024-10-17 Code https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/challenge/202410/maximum_swap/main.fsx let maximumSwap (num: int) : int = ...