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MCQ

The pre-order traversal of a binary-search tree is DBACFE. What is the post-order traversal?

ABFCDE

ADBFEC

ABFEDC

ACBEFD

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Best case time complexity of binary search is ______________

O(n)

?(nlogn)

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?(logn)

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A binary tree whose every node has either zero or two children is called

Complete binary tree

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Extended binary tree

None of above

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Traversing a binary tree refers to the process of visiting each and every node of the tree exactly how many times?

Once

Twice

Thrice

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What is the time complexity for finding the height of the binary tree?

h = O(loglogn)

h = O(nlogn)

h = O(n)

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A binary tree of depth "d" is an almost complete binary tree if

for any node

each leaf in the tree is either at level

both (a) and (b)

None of these

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Hash based structures

Graphs

Mixed

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