Binary Tree, Data Structure Algorithm, Algorithms, Dotnet, Csharp.
current level, create one if (levels.Count <= level) { levels.Add(new List<int>()); } // Add the current node's value to the list for this level levels[level].Add(node.val); // Recursively traverse the left subtree, incrementing the level by 1 ReverseLevelOrder(node.left, level + 1, levels); //