Traversing techniques of a binary tree - Pre-order, in-order, post-order

Q.  There are different ways of traversing a binary tree. What are those traversing technique?
- Published on 22 Jun 15

a. Prefix, infix, postfix
b. Pre-order, in-order, post-order
c. Pre-traversal, in-traversal, post-traversal
d. None of the above.

ANSWER: Pre-order, in-order, post-order

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    Discussion

  • Nihal   -Posted on 01 Apr 16
    There are three standard traversal techniques in binary tree. These techniques are as follows.
    Pre-order, in-order, post-order.

    Preorder Traversal:
    • Visit the root node in binary tree.
    • Traverse the left subtree of root in preorder.
    • Traverse the right subtree of root in preorder.
    Postorder Traversal:
    • Traverse the left subtree of root in postorder.
    • Traverse the right subtree of root in postorder.
    • Visit the root node in binary tree.
    Inorder Traversal:
    • Traverse the left subtree of root in inorder.
    • Visit the root node in binary tree.
    • Traverse the rightsubtree of root in inorder.

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