Question: For a binary tree, given its in-order traversal sequence (8, 9, 11, 3, 15, 20, 7} and its pre- order traversal sequence {3, 9,

For a binary tree, given its in-order traversal sequence (8, 9, 11, 3, 15, 20, 7} and its pre- order traversal sequence {3, 9, 8, 11, 20, 15, 7). Can we uniquely determine its tree structure? If yes, please draw it. (10 pt) (2) For a binary tree, given its pre-order traversal sequence {3, 9, 8, 11, 20, 15, 7} and its post- order traversal sequence (8, 11, 9, 15, 7, 20, 3). Can we uniquely determine its tree structure? If yes, please draw it. If no, please briefly explain why, or draw two different binary trees with the given traversal orders. (10 pt)

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