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Welcome to the Sorting and Searching MCQs Page

Dive deep into the fascinating world of Sorting and Searching with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Sorting and Searching, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Sorting and Searching, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Sorting and Searching. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Sorting and Searching. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Sorting and Searching MCQs | Page 19 of 24

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Q181.
What is the average case complexity of selection sort?
Discuss
Answer: (d).O(n^2)
Discuss
Answer: (b).It is not scalable
Q183.
The given array is arr = {3,4,5,2,1}. The number of iterations in bubble sort and selection sort respectively are,
Discuss
Answer: (a).5 and 4
Q184.
The given array is arr = {1,2,3,4,5}. (bubble sort is implemented with a flag variable)The number of iterations in selection sort and bubble sort respectively are,
Discuss
Answer: (b).1 and 4
Q185.
What is the best case complexity of selection sort?
Discuss
Answer: (d).O(n^2)
Discuss
Answer: (a).Algorithm that uses tape or disk during the sort
Discuss
Answer: (b).Algorithm that uses main memory during the sort
Q188.
What is the worst case complexity of bubble sort?
Discuss
Answer: (d).O(n^2)
Q189.
Select the appropriate code that performs bubble sort.
a)

for(int j=arr.length-1; j>=0; j--)
{
 for(int k=0; k<j; k++)
 {
  if(arr[k] > arr[k+1])
  {
   int temp = arr[k];
   arr[k] = arr[k+1];
   arr[k+1] = temp;
  }
 }
}

b)

for(int j=arr.length-1; j>=0; j--)
{
 for(int k=0; k<j; k++)
 {
  if(arr[k] < arr[k+1])
  {
   int temp = arr[k];
   arr[k] = arr[k+1];
   arr[k+1] = temp;
  }
 }
}

c)

for(int j=arr.length; j>=0; j--)
{
 for(int k=0; k<j; k++)
 {
  if(arr[k] > arr[k+1])
  {
   int temp = arr[k];
   arr[k] = arr[k+1];
   arr[k+1] = temp;
  }
 }
}

d) None of the mentioned

a.

a

b.

b

c.

c

d.

d

Discuss
Answer: (a).a
Q190.
What is the average case complexity of bubble sort?
Discuss
Answer: (d).O(n^2)

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