GATE | GATE-CS-2007 | Question 39

The inorder and preorder traversal of a binary tree are d b e a f c g and a b d e c f g, respectively. The postorder traversal of the binary tree is:
(A) d e b f g c a
(B) e d b g f c a
(C) e d b f g c a
(D) d e f g b c a


Answer: (A)

Explanation: See Question 5 of https://www.geeksforgeeks.org/data-structures-and-algorithms-set-10/

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