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Data structures · Image-Based Question
Difficulty: MediumFor the pictured tree rooted at 75, which key is at zero-based position 3 in its inorder traversal?
Binary search treesInorder traversal
![Root 75; left child 59, right child 117. Leaves left to right: [42, 63, 106, 119]. Each internal child has its two shown leaves.](/question-diagrams/formats/mixed-image-based-014.svg)
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Data structures · Image-Based Question
Difficulty: Medium