LeetCode 1249. Minimum Remove to Make Valid Parentheses in F#

URL https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/ Code https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1249/main.fsx let invalidParentheses (s: string) : int list = let rec invalidParentheses'...