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MCQ

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

Once

Twice

Thrice

None

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How many distinct binary search trees can be formed which contains the integers 1, 2, 3?

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MCQ

If the tree is not a complete binary tree then what changes can be made for easy access of children of a node in the array ?

every node stores data saying which of its children exist in the array

no need of any changes continue with 2w and 2w+1, if node is at i

keep a seperate table telling children of a node

use another array parallel to the array with tree

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MCQ

The following lines talks about deleting a node in a binary tree.(the tree property must not be violated after deletion)
i) from root search for the node to be deleted

ii)

iii) delete the node at

what must be statement ii) and fill up statement iii)

ii)-find random node,replace with node to be deleted. iii)- delete the node

ii)-find node to be deleted. iii)- delete the node at found location

ii)-find deepest node,replace with node to be deleted. iii)- delete a node

ii)-find deepest node,replace with node to be deleted. iii)- delete the deepest node

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What is the maximum possible number of nodes in a binary tree at level 6?

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The number of unused pointers in a complete binary tree of depth 5 is:

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Abstract data types

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Heaps

Hash based structures

Graphs

Mixed

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