Data Structures Algorithms-II MCQs

Page No. 21

Why is heap sort preferred over merge sort for introsort implementation?


a Because heap sort is faster


bBecause heap sort requires less space


cBecause heap sort is easy to implement


d Because heap sort is easy to understand



Introsort sort is a comparison based sort.


atrue


bfalse


cA & B


dNone of these


View Answer true

Introsort begins sorting the given array by using which of the following sorting algorithm?


aselection sort


bquick sort


cinsertion sort


dheap sort


View Answer quick sort

Which of the following sorting algorithm is not a constituent of introsort?


a selection sort


bquicksort


c insertion sort


dheap sort


View Answer selection sort

Which of the following sorting algorithm is used by C++ internally?


aquicksort


b introsort


cmerge sort


dheap sort


View Answer introsort

What is the usual size of a run in tim sort?


a32


bless than 32


c 32-64 depending on size of the array


d64



In which case will tim sort will work as an insertion sort?


awhen no. of elements are less than 64


bwhen no. of elements are greater than 64


c when no. of elements are less than size of run


d when no. of elements are less than 32



Why is insertion sort preferred over other sorting algorithms (like selection sort, bubble sort etc.) for Tim sort implementation?


aBecause insertion sort is faster and adaptive


bBecause insertion sort requires less space


c Because insertion sort is easy to implement


d Because insertion sort is easy to understand



Which of the following algorithm is implemented internally in java when we use function arrays.sort()?


a intro sort


bquick sort


ctim sort


dmerge sort


View Answer tim sort

Tim sort is a comparison based sort.


atrue


b false


cA & B


dNone of these


View Answer true

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