What does an inorder traversal of a binary tree involve?Select one:a. Visiting each node twice, first the left and then the right child.b. Visiting the right subtree, the node itself, and then the left subtree.c. Visiting the left subtree, the node itself, and then the right subtree.d. Visiting the node itself, the left subtree, and then the right subtree.
Question
What does an inorder traversal of a binary tree involve?Select one:a. Visiting each node twice, first the left and then the right child.b. Visiting the right subtree, the node itself, and then the left subtree.c. Visiting the left subtree, the node itself, and then the right subtree.d. Visiting the node itself, the left subtree, and then the right subtree.
Solution
The correct answer is c. Visiting the left subtree, the node itself, and then the right subtree.
In an inorder traversal of a binary tree, the process is as follows:
- Traverse the left subtree. This means you go to the left child of the node, then its left child, and so on until you reach a node with no left child.
- Visit the node itself. This means you process or "visit" the current node.
- Traverse the right subtree. This means you go to the right child of the node, then its right child, and so on until you reach a node with no right child.
This process is repeated recursively for each node in the tree.
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