Data Structures Algorithms-II MCQs

Page No. 16

Randomized quick sort is a stable sort.


atrue


bfalse


cA & B


dNone of these


View Answer false

Randomized quick sort is an in place sort.


atrue


bfalse


cA & B


dNone of these


View Answer true

What is the auxiliary space complexity of randomized quick sort?


a O(1)


bO(n)


cO(log n)


dO(n log n)


View Answer O(log n)

What is the purpose of using randomized quick sort over standard quick sort?


a so as to avoid worst case time complexity


bso as to avoid worst case space complexity


cto improve accuracy of output


d to improve average case time complexity



What is a randomized quick sort?


aquick sort with random partitions


bquick sort with random choice of pivot


cquick sort with random output


dquick sort with random input



What will be the pivot for the array arr={8,2,4,9} for making the first partition when a median of three quick sort is implemented?


a8


b2


c4


d9


View Answer 8

Median of three quick sort is a stable sort.


atrue


bfalse


cA & B


dNone of these


View Answer false

Median of three quick sort is an in place sort.


atrue


bfalse


cA & B


dNone of these


View Answer true

Quick sort uses which of the following method to implement sorting?


amerging


b partitioning


cselection


dexchanging


View Answer partitioning

What is the auxiliary space complexity of a median of three quick sort?


a O(1)


bO(n)


cO(log n)


d O(n log n)


View Answer O(log n)

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