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GATE | GATE-CS-2004 | Question 35
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
Answer
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