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Chapter 7 · Data Structure and AlgorithmPractice
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CONCEPT PRACTICE

Original tree traversal order rules

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2024 Autumn · Subject A · Q5

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Find the value of the expression represented by an in-order traversal of the original binary tree. The root is division: its left child is subtraction and its right child is 2. Subtraction has multiplication as its left child and 10 as its right child. Multiplication has addition as its left child and 10 as its right child. Addition has left child 2 and right child 3. Preserve the grouping represented by the tree.

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Source: 2024A_FE-A_Questions.pdf, PDF page 6. ID: 2024A-A-Q005. Explanation written for this textbook.

Original question · Q5
Find the value of the expression represented by an in-order traversal of the original binary tree. The root is division: its left child is subtraction and its right child is 2. Subtraction has multiplication as its left child and 10 as its right child. Multiplication has addition as its left child and 10 as its right child. Addition has left child 2 and right child 3. Preserve the grouping represented by the tree.

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