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MCQ

Access time of a binary search tree may go worse in terms of time complexity upto

?(n2)

?(n log n)

?(n)

?(1)

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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

In an arbitrary tree ( not a search tree) of order M. Its size is N, and its height is K. The computation time needed to find a data item on T is

O(K*K)

O(M*M)

O(N)

O(K)

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MCQ

Which of these operations have same complexities?

Insertion, find_min

Find_min, union

Union, Insertion

Deletion, Find _max

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MCQ

Each node of a tree stores a data value and has zero or more pointers pointing to the other nodes of the tree, which are also known as its__________.

Child nodes

Leaf nodes

Root

None of the above

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MCQ

Why Red-black trees are preferred over hash tables though hash tables have constant time complexity?

no they are not preferred

because of resizing issues of hash table and better ordering in redblack trees

because they can be implemented using trees

because they are balanced

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Hash based structures

Graphs

Mixed

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