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Data structures · Image-Based Question
Difficulty: MediumFor the pictured tree rooted at 44, which key is at zero-based position 2 in its inorder traversal?
Binary search treesInorder traversal
![Root 44; left child 31, right child 134. Leaves left to right: [27, 32, 69, 142]. Each internal child has its two shown leaves.](/question-diagrams/formats/mixed-image-based-034.svg)
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Data structures · Image-Based Question
Difficulty: Medium