Data Structures and Algorithms-I MCQs

Page No. 2

What is the disadvantage of using splay trees?


aheight of a splay tree can be linear when accessing elements in non decreasing order.

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bsplay operations are difficult

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cno significant disadvantage

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dsplay tree performs unnecessary splay when a node is only being read

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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?


ano there is no special usage

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

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credblack and avl are not upto mark

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dthey are just another type of self balancing binary search trees

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Which of the following options is an application of splay trees?


acache Implementation

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bnetworks

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csend values

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dreceive values

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View Answer cache Implementation

What is a splay operation?


amoving parent node to down of child

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bmoving a node to root

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cmoving root to leaf

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dremoving leaf node

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View Answer moving a node to root

Is it true that splay trees have O(logn) amortized complexity ?


atrue

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bfalse

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ceither true either false

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dNone of the mentioned

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View Answer true

Why to prefer splay trees?


aeasier to program

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bspace efficiency

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ceasier to program and faster access to recently accessed items

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dquick searching

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Which of the following property of splay tree is correct?


ait holds probability usage of the respective sub trees

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bany sequence of j operations starting from an empty tree with h nodes atmost, takes O(jlogh) time complexity

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csequence of operations with h nodes can take O(logh) time complexity

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dsplay trees are unstable trees

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What are splay trees?


aself adjusting binary search trees

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bself adjusting binary trees

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ca tree with strings

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da tree with probability distributions

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Who invented treaps?


aCecilia and Raimund

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bArne Andersson

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cDonald Shell

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dHarris and Ross

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View Answer Cecilia and Raimund

What is the priority of a null node?


a1

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b0

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crandom number

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dinfinity

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View Answer infinity

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