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Consider the label sequences obtained by the following pairs of traversals on a labeled binary tree. Which of these pairs identify a tree uniquely ?
(i) preorder and postorder
(ii) inorder and postorder
(iii) preorder and inorder
(iv) level order and postorder
  • a)
    (i) only
  • b)
    (ii), (iii)
  • c)
    (iii) only
  • d)
    (iv) only
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Consider the label sequences obtained by the following pairs of traver...
Here, we consider each and every option to check whether it is true or false. 1) Preorder and postorder
For the above trees, Preorder is AB Postorder is BA It shows that preorder and postorder can’t identify a tree uniquely. 2) Inorder and postorder define a tree uniquely 3) Preorder and Inorder also define a tree uniquely 4) Levelorder and postorder can’t define a tree uniquely. For the above example, Level order is AB Postorder is BA See 
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Consider the label sequences obtained by the following pairs of traversals on a labeled binary tree. Which of these pairs identify a tree uniquely ?(i) preorder and postorder(ii) inorder and postorder(iii) preorder and inorder(iv) level order and postordera)(i) onlyb)(ii), (iii)c)(iii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer?
Question Description
Consider the label sequences obtained by the following pairs of traversals on a labeled binary tree. Which of these pairs identify a tree uniquely ?(i) preorder and postorder(ii) inorder and postorder(iii) preorder and inorder(iv) level order and postordera)(i) onlyb)(ii), (iii)c)(iii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about Consider the label sequences obtained by the following pairs of traversals on a labeled binary tree. Which of these pairs identify a tree uniquely ?(i) preorder and postorder(ii) inorder and postorder(iii) preorder and inorder(iv) level order and postordera)(i) onlyb)(ii), (iii)c)(iii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the label sequences obtained by the following pairs of traversals on a labeled binary tree. Which of these pairs identify a tree uniquely ?(i) preorder and postorder(ii) inorder and postorder(iii) preorder and inorder(iv) level order and postordera)(i) onlyb)(ii), (iii)c)(iii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer?.
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