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    Question

    Which tree traversal gives nodes in non-decreasing order

    for a BST?
    A Preorder Correct Answer Incorrect Answer
    B Inorder Correct Answer Incorrect Answer
    C Postorder Correct Answer Incorrect Answer
    D Level-order Correct Answer Incorrect Answer
    E Spiral-order Correct Answer Incorrect Answer

    Solution

    In a BST, inorder traversal visits nodes in sorted order.

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