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Thread: Computer Science

  1. #1 Computer Science 
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    Oct 2013
    The postorder and inorder traversals of a tree are given below. Find the preorder traversal.

    Postorder : j n o p k e f b c l m g h i d a
    Inorder : j e n k o p b f a c l g m d h i

    Is it possible to find the preorder traversal without constructing a tree?

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  3. #2  
    ▼▼ dn ʎɐʍ sıɥʇ ▼▼ RedPanda's Avatar
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    Aug 2012
    This looks like a 'homework' question - and it is generally frowned upon to simply answer homework questions.

    What are your thoughts on how to answer the question?
    (That way we can guide you to the answer, rather than just tell you the answer.)

    For example: how good a grasp do you have of the differences between pre-order, in-order and post-order traversal?

    "And, behold, I come quickly;" Revelation 22:12

    "Religions are like sausages. When you know how they are made, you no longer want them."
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