Data Structures Algorithms-II MCQs

Page No. 29

Sleep sort works by ___________


a making elements to sleep for a time that is proportional to their magnitude

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bmaking elements to sleep for a time that is inversely proportional to their magnitude

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cpartitioning the input array

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ddividing the value of input elements

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In how many comparisons does the array arr={1,4,2,3,5} gets sorted if we use sleep sort?


a5

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b3

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c1

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d0

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View Answer 0

Sleep sort does not work for ___________


anegative numbers

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blarge numbers

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csmall numbers

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d positive numbers

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View Answer negative numbers

Which of the following header file is a must to implement sleep sort algorithm?


a string.h

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bmath.hw

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cbios.h

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d windows.h

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View Answer windows.h

Which of the following algorithm takes linear time for sorting?


apigeonhole sort

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b heap sort

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ccomb sort

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dcycle sort

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View Answer pigeonhole sort

What is the advantage of pigeonhole sort over merge sort?


apigeonhole sort has lesser time complexity when range is comparable to number of input elements

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bpigeonhole sort has lesser space complexity

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c counting sort is not a comparison based sorting technique

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dpigeonhole sort is adaptive

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Choose the correct statement from the following


apigeonhole sort is a comparison based sort

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bany comparison based sorting can be made stable

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cquick sort is not a comparison based sort

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dany comparison based sort requires at least O(n2) time

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What is the average time complexity of pigeonhole sort (k=range of input)?


aO(n)

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bO(n+k)

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cO(n2)

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dO(n*k)

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View Answer O(n+k)

Pigeonhole sort is an in place sorting algorithm.


a true

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b false

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cA & B

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dNone of these

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View Answer false

Pigeonhole sort is a stable sorting algorithm.


atrue

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b false

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cA & B

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dNone of these

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View Answer true

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