LeetCode 538. Convert BST to Greater Tree in F#

URL https://leetcode.com/problems/convert-bst-to-greater-tree/ Code https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0538/main.fsx type Tree = | Leaf | Node of int * Tree * Tree let convertBST (root: Tree) = le...