LeetCode 1020. Number of Enclaves in F#

URL Number of Enclaves - LeetCode Code https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/1020/main.fsx let numEnclaves (grid: int[,]) : int = let rows, cols = Array2D.length1 grid, Array2D.length2 grid let steps = [ ...