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In which tree, the right NULL pointer of each node (not having a right child node) points to its in-order successor?

Right-threaded binary tree

Left-threaded binary tree

Full-threaded binary tree

All of the above

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Unary tree

Binary tree

Trinary tree

Both B and C

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MCQ

The null left pointer pointing to predecessor and null right pointer pointing to successor. how many types of threaded tree are possible with this convention?

inorder, postorder, preorder traversals

inorder

postorder

preorder

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MCQ

Can a tree stored in an array using either one of inorder or post order or pre order traversals be again reformed?

yes just traverse through the array and form the tree

No we need one more traversal to form a tree

No in case of sparse trees

None of the mentioned

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MCQ

Which one of the following statements is false?

Breadth-first search cannot be used to find connected components of a graph.

Given the prefix and postfix walks of a binary tree, the binary tree cannot be uniquely reconstructed.

Both (a) and (b)

Optimal binary search tree construction can be performed efficiently using dynamic programmmg.

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MCQ

A list integers is read in, one at a time, and a binary search tree is constructed. Next the tree is traversed would result in a printout which duplicates the original order of the list of integers?

Inorder

Preorder

Postorder

None of these

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Abstract data types

Arrays

Lists

Stacks

Queues

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Binary Trees

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Heaps

Hash based structures

Graphs

Mixed

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