LeetCode 1379. Find a Corresponding Node of a Binary Tree in a Clone of That Tree in F#

This problem is not suit for F#. So I wrote modified version. URL https://leetcode.com/problems/find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree/ Code https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/1379/...