LeetCode 2597. The Number of Beautiful Subsets in F#

URL The Number of Beautiful Subsets - LeetCode Code https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/challenge/202405/the_number_of_beautiful_subsets/main.fsx let beautifulSubsets (nums: int list) (k: int) = let rec beautifulSub...