18 Questions
What is the primary advantage of using an array as a data structure?
Efficient random access to elements
In the context of selecting elements in sorted order from a data structure, which would be the most efficient choice?
Sorted array
When implementing a Collection-of-Strings ADT with items added or removed mostly at the beginning, which data structure is the most suitable?
Linked list
What type of data structure is recommended for unsequenced data with frequent search, add, and remove operations?
Binary search tree
Which data structure would be most suitable for a situation where elements are rarely added or removed but frequently searched?
Sorted array
What makes a linked list a better choice than a dynamic array when adding and removing elements at the start of a collection?
More efficient insertion and deletion operations
What is the primary function of the qsort function in C?
To sort arrays
Which data structure is most efficient for comparing elements?
Array
What is the purpose of a generic comparison function in sorting arrays?
To compare the elements of arrays
How can an array be sorted in descending order in C?
By using a custom comparison function in the sort function
What are the primary considerations in selecting an array data structure?
All of the above
How does the qsort function in C handle void pointers?
It automatically casts void pointers based on context
What is the purpose of storing a data-specific function-pointer in the ADT structure?
To destroy the items stored in the generic array
What does the 'garr_create' function do?
Creates a generic array with a given capacity and a function to destroy items
How can a data-specific function-pointer be passed into a function?
By passing it as a parameter to the function
What is the role of the 'destroy' function in the 'garr_create' function?
To destroy the items stored in the generic array
Which of the following is a common use case for a generic comparison function in a generic array?
To compare elements in the array
Which of the following is a common use case for sorting a generic array in descending order?
When the largest elements need to be accessed frequently
Learn about casting in C and C++, including how to explicitly force type conversion using void pointers. Understand why C++ requires void pointers to be cast while C does not, and explore common applications of casting in programming.
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