Question: For each node v in a tree T, let pre(v) be the rank of v in a preorder traversal of T, let post(v) be the

For each node v in a tree T, let pre(v) be the rank of v in a preorder traversal of T, let post(v) be the rank of v in a postorder traversal of T, let depth(v) be the depth of v, and let desc(v) be the number of descendents of v, not counting v itself. Derive a formula defining post(v) in terms of desc(v), depth(v), and pre(v), for each node v in T.

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Given a tree T we can define the postorder traversal of T recursively as follows Visit all the desce... View full answer

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