Why do we impose restrictions like. root property is black. ...

MCQ

Why do we impose restrictions like. root property is black. every leaf is black. children of red node are black. all leaves have same black

to get logarithm time complexity

to get linear time complexity

to get exponential time complexity

to get constant time complexity

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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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MCQ

Why the below pseudo code where x is a value, wt is weight factor and t is root node can

when x>t. element Rotate-with-left-child should take place and vice versa

the logic is incorrect

the condition for rotating children is wrong

insertion cannot be performed in weight balanced trees

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When representing any algebraic expression E which uses only binary operations in a 2-tree,

the variable in E will appear as external nodes and operations in internal nodes

the operations in E will appear as external nodes and variables in internal nodes

the variables and operations in E will appear only in internal nodes

the variables and operations in E will appear only in external nodes

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A BST is traversed in the following order recursively: Right, root, left. The output sequence will be in

Ascending order

Descending order

Bitomic sequence

No specific order

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Trees are often used in implementing _________ and hence it is considered as prime application of trees.

Chess

Players

Games

None of the above

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Banking

Engineering

General

Medical

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category More Data Structure Topics

Data Structure Basics

Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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