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MCQ

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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MCQ

Why to prefer red-black trees over AVL trees?

Because red-black is more rigidly balanced

AVL tree store balance factor in every node which costs space

AVL tree fails at scale

Red black is more efficient

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MCQ

The nodes belonging to the same parent node are known as_________.

Parent nodes

Sibling nodes

Tree nodes

None of the above

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MCQ

What is direct addressing?

Distinct array position for every possible key

Fewer array positions than keys

Fewer keys than array positions

None of the mentioned

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MCQ

The size value of various nodes in a weight balanced tree are leaf

flase

May be

Can't say

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Consider a sequence of numbers to have repetitions, how a cartesian tree can be constructed in such situations without violating any rules?

use any tie-breaking rule between repeated elements

cartesian tree is impossible when repetitions are present

construct a max heap in such cases

construct a min heap in such cases

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Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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