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Data structures · Image-Based Question
Difficulty: MediumFor the pictured tree rooted at 38, which key is at zero-based position 4 in its inorder traversal?
Binary search treesInorder traversal
![Root 38; left child 24, right child 112. Leaves left to right: [12, 30, 43, 119]. Each internal child has its two shown leaves.](/question-diagrams/formats/mixed-image-based-044.svg)
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Data structures · Image-Based Question
Difficulty: Medium