What does the in-order traversal of a binary tree return?
Understand the Problem
The question is asking for the result of performing an in-order traversal on a binary tree, which generally refers to a specific method of visiting nodes in a tree data structure. In this case, we need to identify what the correct return order of the nodes is when using in-order traversal.
Answer
ascending order
In-order traversal of a binary tree visits nodes in the order: left subtree, root, right subtree, returning nodes in ascending order.
Answer for screen readers
In-order traversal of a binary tree visits nodes in the order: left subtree, root, right subtree, returning nodes in ascending order.
More Information
In-order traversal is particularly useful for binary search trees (BSTs) as it retrieves data in sorted order.
Tips
A common mistake is forgetting to traverse the entire left or right subtree before visiting the root node. Always apply the Left-Root-Right pattern strictly.
Sources
- Inorder Traversal of Binary Tree - GeeksforGeeks - geeksforgeeks.org
- Binary Tree Traversal - OpenDSA - opendsa-server.cs.vt.edu
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