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Which traversal method of a binary tree visits nodes in the order of left child,

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Question: Which traversal method of a binary tree visits nodes in the order of left child, root, right child?

Options:

  1. Pre-order
  2. In-order
  3. Post-order
  4. Level-order

Correct Answer: In-order

Solution: 

In-order traversal visits the left child first, then the root, and finally the right child, which results in the nodes being visited in ascending order for a binary search tree.

Which traversal method of a binary tree visits nodes in the order of left child,

Practice Questions

Q1
Which traversal method of a binary tree visits nodes in the order of left child, root, right child?
  1. Pre-order
  2. In-order
  3. Post-order
  4. Level-order

Questions & Step-by-Step Solutions

Which traversal method of a binary tree visits nodes in the order of left child, root, right child?
  • Step 1: Understand what a binary tree is. A binary tree is a structure where each node has at most two children: a left child and a right child.
  • Step 2: Learn about tree traversal methods. Traversal methods are ways to visit all the nodes in a tree.
  • Step 3: Identify the three common traversal methods: Pre-order, In-order, and Post-order.
  • Step 4: Focus on In-order traversal. In this method, you visit the left child first.
  • Step 5: After visiting the left child, you visit the root node (the current node).
  • Step 6: Finally, you visit the right child.
  • Step 7: Conclude that In-order traversal visits nodes in the order of left child, root, and then right child.
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