What is the output of the following in-order traversal on the binary tree: 1 (ro

What is the output of the following in-order traversal on the binary tree: 1 (root), 2 (left child), 3 (right child)?

What is the output of the following in-order traversal on the binary tree: 1 (root), 2 (left child), 3 (right child)?

Step 1: Identify the structure of the binary tree. The root is 1, the left child is 2, and the right child is 3.
Step 2: Start the in-order traversal. First, visit the left child of the root (which is 2).
Step 3: After visiting the left child (2), visit the root (1).
Step 4: Finally, visit the right child of the root (which is 3).
Step 5: Combine the visited nodes in the order they were visited: 2 (left), 1 (root), 3 (right).
Step 6: The final output of the in-order traversal is 2, 1, 3.

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