Data Structures Algorithms-II MCQs

Page No. 33

Which of the following statement is true about comparison based sorting?


a counting sort is a comparison based sort

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bany comparison based sorting can be made stable

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cbubble 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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The complexity of which of the following sorting algorithms remains to be the same in its best, average and worst case?


aquick sort

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binsertion sort

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ccounting sort

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dgnome sort

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View Answer counting sort

What is the average time complexity of counting sort?


aO(n)

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bO(n+k) k=range of input

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cO(n2)

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d O(n log n)

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Which of the following uses the largest amount of auxiliary space for sorting?


aBubble sort

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bCounting sort

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cQuick sort

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dHeap sort

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View Answer Counting sort

Which of the following sorting techniques is stable?


aquick sort

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bcounting sort

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cheap sort

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dselection sort

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View Answer counting sort

It is not possible to implement counting sort when any of the input element has negative value.


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

What is the auxiliary space requirement of counting sort?


a O(1)

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b O(n)

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cO(log n)

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d O(n+k) k=range of input

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Which of the following sorting techniques is most efficient if the range of input data is not significantly greater than a number of elements to be sorted?


aselection sort

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bbubble sort

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ccounting sort

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d insertion sort

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View Answer counting sort

Which of the following is not an example of non comparison sort?


abubble sort

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bcounting sort

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cradix sort

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dbucket sort

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View Answer bubble sort

How many comparisons will be made to sort the array arr={1,5,3,8,2} using counting sort?


a5

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b7

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c9

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d0

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View Answer 0

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