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MCQ

When we have red-black trees and AVL trees that can perform most of operations in logarithmic times, then what is the need for splay trees?

no there is no special usage

In real time it is estimated that 80% access is only to 20% data, hence most used ones must be easily available

redblack and avl are not upto mark

they are just another type of self balancing binary search trees

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MCQ

What could be the worst case height of an AVL tree?

0.97 log n

2.13 log n

1.44 log n

n^2 log n

Discussion

MCQ

What is a Cartesian tree?

a skip list in the form of tree

a tree which obeys cartesian product

a tree which obeys heap property and whose inorder traversal yields the given sequence

a tree which obeys heap property only

Discussion

MCQ

Re-balancing of AVL tree costs

?(1)

?(log n)

?(n)

?(n2)

Discussion

MCQ

What is the space complexity of the post-order traversal in the recursive fashion? (d is the tree depth and n is the number of nodes)

O(1)

O(nlogd)

O(logd)

O(d)

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MCQ

Select the code snippet which performs in-order traversal.

a)

public void inorder(Tree root)
{
 System.out.println(root.data);
 inorder(root.left);
 inorder(root.right);
}

b)

public void inorder(Tree root)
{
 inorder(root.left);
 System.out.println(root.data);
 inorder(root.right);
}

c)

public void inorder(Tree root)
{
 System.out.println(root.data);
 inorder(root.right);
 inorder(root.left);
}

d) None of the mentioned

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Abstract data types

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B Trees

Heaps

Hash based structures

Graphs

Mixed

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