Perform binary search to find 31 from 24,15,34,7,5,41,33,45,39,29,16,11,65,14,21, 31
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Perform binary search to find 31 from 24,15,34,7,5,41,33,45,39,29,16,11,65,14,21, 31
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The preorder traversal sequence of a binary search tree is 30, 20, 10, 15, 25, 23, 39, 35, 42. Which one of the following is the postorder traversal sequence of the same tree?
(A) 10, 20, 15, 23, 25, 35, 42, 39, 30
(B) 15, 10, 25, 23, 20, 42, 35, 39, 30
(C) 15, 20, 10, 23, 25, 42, 35, 39, 30
(D) 15, 10, 23, 25, 20, 35, 42, 39, 30
Answer: (D)
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