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Which traversal method visits the root node before its children?

Practice Questions

Q1
Which traversal method visits the root node before its children?
  1. In-order
  2. Post-order
  3. Pre-order
  4. Level-order

Questions & Step-by-Step Solutions

Which traversal method visits the root node before its children?
  • Step 1: Understand what a traversal method is. It is a way to visit all the nodes in a tree structure.
  • Step 2: Learn about the different types of traversal methods. The main ones are Pre-order, In-order, and Post-order.
  • Step 3: Focus on Pre-order traversal. In this method, you first visit the root node.
  • Step 4: After visiting the root node, you then visit its children nodes.
  • Step 5: Conclude that Pre-order traversal is the method that visits the root node before its children.
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