MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Introsort Multiple Choice knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following sorting algorithm will be preferred when the size of partition is between 16 and 2 log(n) while implementing introsort? |
| A. | quick sort |
| B. | insertion sort |
| C. | heap sort |
| D. | merge sort |
| Answer» B. insertion sort | |
| 2. |
What is the cut-off for switching from quick sort to heap sort in the implementation of introsort? |
| A. | 16 |
| B. | n<sup>2</sup> |
| C. | n log(n) |
| D. | 2 log (n) |
| Answer» E. | |
| 3. |
What is the cut-off for switching from quick sort to insertion sort in the implementation of introsort? |
| A. | 4 |
| B. | 8 |
| C. | 16 |
| D. | 32 |
| Answer» D. 32 | |
| 4. |
Why is insertion sort preferred over other sorting algorithms (like selection sort, bubble sort etc.) for introsort implementation? |
| A. | Because insertion sort is faster and adaptive |
| B. | Because insertion sort requires less space |
| C. | Because insertion sort is easy to implement |
| D. | Because insertion sort is easy to understand |
| Answer» B. Because insertion sort requires less space | |
| 5. |
Why is heap sort preferred over merge sort for introsort implementation? |
| A. | Because heap sort is faster |
| B. | Because heap sort requires less space |
| C. | Because heap sort is easy to implement |
| D. | Because heap sort is easy to understand |
| Answer» C. Because heap sort is easy to implement | |
| 6. |
What is the auxiliary space requirement of introsort? |
| A. | O(n) |
| B. | O(n log n) |
| C. | O(n<sup>2</sup>) |
| D. | O(log n) |
| Answer» E. | |
| 7. |
What is the average time complexity of introsort? |
| A. | O(n) |
| B. | O(n log n) |
| C. | O(n<sup>2</sup>) |
| D. | O(log n) |
| Answer» C. O(n<sup>2</sup>) | |
| 8. |
What is the worst case time complexity of introsort? |
| A. | O(n) |
| B. | O(n log n) |
| C. | O(n<sup>2</sup>) |
| D. | O(log n) |
| Answer» C. O(n<sup>2</sup>) | |
| 9. |
What is the best case time complexity of introsort? |
| A. | O(n) |
| B. | O(n log n) |
| C. | O(n<sup>2</sup>) |
| D. | O(log n) |
| Answer» C. O(n<sup>2</sup>) | |
| 10. |
Introsort sort is a comparison based sort. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 11. |
Introsort begins sorting the given array by using which of the following sorting algorithm? |
| A. | selection sort |
| B. | quick sort |
| C. | insertion sort |
| D. | heap sort |
| Answer» C. insertion sort | |
| 12. |
Which of the following sorting algorithm is not a constituent of introsort? |
| A. | selection sort |
| B. | quicksort |
| C. | insertion sort |
| D. | heap sort |
| Answer» B. quicksort | |
| 13. |
Which of the following sorting algorithm is used by C++ internally? |
| A. | quicksort |
| B. | introsort |
| C. | merge sort |
| D. | heap sort |
| Answer» C. merge sort | |