Question: There are generally considered to be four distinct binary tree traversals: preorder, inorder, postorder and level-order. Consider the following questions about these different kinds of

There are generally considered to be four distinct binary tree traversals: preorder, inorder, postorder and level-order. Consider the following questions about these different kinds of traversals.

Which of the traversals lend themselves to recursive solutions? Why are those solutions much simpler than their iterative counterparts?

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