Data Structures Algorithms-II MCQs

Page No. 26

How many iterations are required to sort the array arr={2,3,4,5,1} using bubble sort and cocktail sort respectively?


a4,2


b5,3


c 5,2


d 4,3


View Answer 4,2

Cocktail sort uses which of the following methods for sorting the input?


a selection


bpartitioning


cmerging


d exchanging


View Answer exchanging

Cocktail sort is a comparison based sort.


aTrue


b False


cA & B


dNone of these


View Answer True

Cocktail sort is a variation of _____________


a Bubble sort


bSelection sort


c Insertion sort


dGnome sort


View Answer Bubble sort

Cocktail sort is also known as ________________


a bidirectional sort


b bubble sort


cbrick sort


dripple sort


View Answer ripple sort

What is the advantage of comb sort over merge sort?


a Comb sort is an in place sorting algorithm


bComb sort is a stable sorting algorithm


cComb sort is more efficient


d It has no advantage



Comb sort is a stable sorting algorithm.


aTrue


bFalse


cA & B


dNone of these


View Answer False

The given array is arr={7,4,5,8,1,2}. The number of iterations required to sort the array using comb sort and bubble sort respectively will be _______


a7 and 8


b 5 and 6


c5 and 5


d4 and 5


View Answer 4 and 5

Auxiliary space used by comb sort is _______


aO(1)


bO(n)


c O(log n)


d O(n log n)


View Answer O(1)

The gap value after 3 iterations in an array with 6 elements will be _______


a4


b3


c2


d1


View Answer 2

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