MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Which of the following is correct about map and multimap? |
| A. | Map can have same keys whereas multimap cannot |
| B. | Implementation of maps and multimap are different |
| C. | Multimap can have same keys whereas the map cannot |
| D. | Average search time of map is greater than multimap |
| Answer» D. Average search time of map is greater than multimap | |
| 2. |
Which of the following queue container can expand or shrink from both directions? |
| A. | deque |
| B. | queue |
| C. | priority queue |
| D. | stack |
| Answer» B. queue | |
| 3. |
Which of the following is correct about the map and unordered map? |
| A. | Ordering of keys in maps whereas no such order in the unordered map |
| B. | Maps are implemented red-black trees whereas unordered map are implemented using hash tables |
| C. | Average search time in the unordered map is O(1) whereas it is O(logn) in case of maps |
| D. | All of the mentioned |
| Answer» E. | |
| 4. |
Map is implemented using ____________________ |
| A. | binary search tree |
| B. | red black tree |
| C. | heap |
| D. | hash table |
| Answer» C. heap | |
| 5. |
Unordered map is implemented using _________________ |
| A. | binary search tree |
| B. | red black tree |
| C. | heap |
| D. | hash table |
| Answer» E. | |
| 6. |
Sets are implemented using _______________________ |
| A. | binary search tree |
| B. | red black tree |
| C. | avl tree |
| D. | heap |
| Answer» B. red black tree | |
| 7. |
Which container is used to keep priority based elements? |
| A. | queue |
| B. | stack |
| C. | set |
| D. | priority queue |
| Answer» E. | |
| 8. |
Which container is best to keep the collection of distinct elements? |
| A. | multimap |
| B. | heap |
| C. | set |
| D. | queue |
| Answer» D. queue | |
| 9. |
Which container can have the same keys? |
| A. | map |
| B. | multimap |
| C. | unordered map |
| D. | set |
| Answer» C. unordered map | |
| 10. |
Which container is used to store elements as key-value pair? |
| A. | map |
| B. | multimap |
| C. | unordered map |
| D. | all of the mentioned |
| Answer» E. | |