In preorder traversal of a binary tree the second step is ____________

2024

Answer: B. traverse the left subtree — Answer: b Explanation: In a preorder traversal of a binary tree first is to visit the root, second traverse the left subtree of the tree and third traverse…

1. A.

   traverse the right subtree

2. B.

   traverse the left subtree

3. C.

   traverse right subtree and visit the root

4. D.

   visit the root

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