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Algorithms Quiz | Sudo Placement : Set 1 | Question 7

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  • Difficulty Level : Medium
  • Last Updated : 15 Nov, 2018
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Find the inorder and postorder of the binary tree with the given preorder:
60, 40, 20, 10, 30, 33, 50, 44, 51, 90, 70, 65, 80, 110, 100, 95, 99, 120.
(A) In order: 110, 100, 99, 90, 80, 70, 65, 60, 51, 50, 44, 40, 33, 30, 20, 10.
Postorder: 110, 120, 100, 95, 99, 70, 80, 65, 60, 40, 50, 51, 44, 20, 30, 33, 10

(B) Inorder: 10, 20, 30, 33, 40, 44, 50, 51, 60, 65, 70, 80, 90, 95, 99, 100, 110, 120
Postorder: 10, 33, 30, 20, 44, 51, 50, 40, 65, 80, 70, 99, 95, 100, 120, 110, 90, 60

(C) In order: 10, 33, 30, 20, 44, 51, 50, 40, 60, 65, 80, 70, 99, 95, 100, 120, 110,
Postorder: 10, 20, 30, 33, 40, 44, 50, 51, 60, 65, 70, 80, 90, 95, 99, 100, 110

(D) In order: 10, 33, 30, 20, 44, 51, 60, 65, 80, 70, 99, 95, 100, 120, 110,
Postorder: 110, 100, 99, 90, 80, 70, 65, 60, 51, 50, 44, 40, 33, 30, 20, 10.


Answer: (B)

Explanation:

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