LeetCode 1372. Longest ZigZag Path in a Binary Tree in F#

URL Longest ZigZag Path in a Binary Tree - LeetCode Code https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/1372/main.fsx open System type Tree = | Leaf | Node of int * Tree * Tree let longestZigZa (root: Tree) : in...