Binary Search Tree

1. If a binary tree has height h, what is the maximum number of nodes it can have:

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2. A binary tree has 16 nodes, what is the maximum height it can have

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3. In a binary tree, how many pointers must each node essentially have (just to maintain the tree)

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4. Which of the following can be the data types of the variable a, if the following statement compiles and is correct: next = a->lchild;
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