MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your C++ Programming knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the use of is_heap_until() function? |
| A. | Returns the iterator of the last element of the sequence always |
| B. | Returns the iterator to the position from where the sequence is a heap |
| C. | Returns the iterator of the position till that the sequence is a heap |
| D. | Returns the iterator of the first element of the sequence |
| Answer» D. Returns the iterator of the first element of the sequence | |
| 2. |
Which function is used to check whether a given sequence is heap or not? |
| A. | sort_heap() |
| B. | is_heap() |
| C. | is_heap_until() |
| D. | check_heap() |
| Answer» C. is_heap_until() | |
| 3. |
What is the use of sort_heap() function in heap? |
| A. | To sort the elements in the heap into descending order |
| B. | To sort the elements in the heap into ascending order |
| C. | To sort the first half of the heap |
| D. | To sort the second half of the heap |
| Answer» C. To sort the first half of the heap | |
| 4. |
Which header file is required to use heap in your program? |
| A. | <heap> |
| B. | <algorithm> |
| C. | <vector> |
| D. | <map> |
| Answer» C. <vector> | |
| 5. |
Elements in STL heap are removed in ________________________ |
| A. | decreasing order |
| B. | increasing order |
| C. | alternate i.e. once max element then min element |
| D. | input order |
| Answer» B. increasing order | |
| 6. |
Which function is used to insert an element into heap? |
| A. | push_back() |
| B. | push_heap() |
| C. | pop_back() |
| D. | pop_heap() |
| Answer» C. pop_back() | |
| 7. |
What is the use of front() function in heap? |
| A. | Returns the element closest to the median of a sequence |
| B. | Returns the last element of the heap |
| C. | Returns the first element of the heap |
| D. | Returns the element closest to mean of a sequence |
| Answer» D. Returns the element closest to mean of a sequence | |
| 8. |
Which function is used to construct heap from given sequence of numbers? |
| A. | create_heap() |
| B. | make_heap() |
| C. | construct_heap() |
| D. | start_heap() |
| Answer» C. construct_heap() | |
| 9. |
Which type of heap is implemented in STL heap? |
| A. | max heap |
| B. | min heap |
| C. | middle heap |
| D. | close heap |
| Answer» B. min heap | |