Data structures --binary search tree

This is a discussion on Data structures --binary search tree within the C Programming forums, part of the General Programming Boards category; I have been given a program to create and display binary search tree.i have a doubt regarding display. i want ...

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    Data structures --binary search tree

    I have been given a program to create and display binary search tree.i have a doubt regarding display. i want to know should the display function shows the bst like we draw in paper or i have to traverse the in all the 3 possible ways(in,pre,post order and then print the elements in linear fashion.
    for ex:- if user input is 20
    bst:----> 20
    after that i/p is 17,6,8
    bst----> 20
    17
    6 18
    8
    or simply i traverse the tree in all the 3 orders.
    i think its better if i display it in first manner,because it is more clear and understandable.i am new to trees and graphs.i want to implement this program in c without any graphics so please help me how to display using printf statements and format specifiers like \n or \t.
    it will be very helpfull if you give me the algorithm/pseudo code or sourcecode for display function or any weblink in which it is given.

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    We don't hand out code here, it's against our homework policy.

    Most likely, you won't be expected to try and draw it "like you do on paper". You generally want to print them in the order visited. An in-order traversal would print the nodes in sorted order. A pre-order prints the current node before visiting either child, and a post order after visiting either child. It's convention to visit the left child before the right child.

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    thank u.

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    You're welcome

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