LeetCode 2471. Minimum Number of Operations to Sort a Binary Tree by Level in F#

URL https://leetcode.com/problems/minimum-number-of-operations-to-sort-a-binary-tree-by-level/description/?envType=daily-question&envId=2024-12-23 Code https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/challenge/202412/minimum_number...