Data Structures Algorithms-II MCQs

Page No. 90

Which of the following sorting algorithm is NOT stable?


aSelection sort


bBrick sort


cBubble sort


d Merge sort


View Answer Selection sort

What will be the recurrence relation of the code of recursive selection sort?


aT(n) = 2T(n/2) + n


bT(n) = 2T(n/2) + c


c T(n) = T(n-1) + n


dT(n) = T(n-1) + c


View Answer T(n) = T(n-1) + n

Which of the following is the biggest advantage of selection sort?


aits has low time complexity


b it has low space complexity


c it is easy to implement


dit requires only n swaps under any condition



Which of the following sorting algorithm has best case time complexity of O(n2)?


a bubble sort


bselection sort


c insertion sort


d stupid sort


View Answer selection sort

Which of the following methods can be used to find the largest and smallest element in an array?


aRecursion


bIteration


cBoth recursion and iteration


d No method is suitable



Which of the following methods can be used to find the largest and smallest number in a linked list?


aRecursion


bIteration


cBoth Recursion and iteration


d Impossible to find the largest and smallest numbers



Consider the array {1,1,1,1,1}. Select the wrong option?


aIterative linear search can be used to search for the elements in the given array


b Recursive linear search can be used to search for the elements in the given array


cRecursive binary search can be used to search for the elements in the given array


d No method is defined to search for an element in the given array



Which of the following techniques can be used to search an element in an unsorted array?


aIterative linear search


bRecursive binary search


c Iterative binary search


dNormal binary search



Minimum time required to solve tower of hanoi puzzle with 4 disks assuming one move takes 2 seconds, will be __________


a 15 seconds


b30 seconds


c16 seconds


d32 seconds


View Answer 30 seconds

Tower of hanoi problem can be solved iteratively.


aTrue


b False


cA & B


dNone of these


View Answer True

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