Casting in C and C++

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What is the primary advantage of using an array as a data structure?

Automatically balances itself for optimal performance

Provides a sequence of elements in sorted order

Faster insertion and deletion at the beginning of the collection

Efficient random access to elements (correct)

In the context of selecting elements in sorted order from a data structure, which would be the most efficient choice?

Self-balancing BST

Sorted array (correct)

Linked list

Dynamic array

When implementing a Collection-of-Strings ADT with items added or removed mostly at the beginning, which data structure is the most suitable?

Binary search tree

All three choices above are equally appropriate

Dynamic array

Linked list (correct)

What type of data structure is recommended for unsequenced data with frequent search, add, and remove operations?

Binary search tree Signup and view all the answers

Which data structure would be most suitable for a situation where elements are rarely added or removed but frequently searched?

Sorted array Signup and view all the answers

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 Signup and view all the answers

What is the primary function of the qsort function in C?

To sort arrays Signup and view all the answers

Which data structure is most efficient for comparing elements?

Array Signup and view all the answers

What is the purpose of a generic comparison function in sorting arrays?

To compare the elements of arrays Signup and view all the answers

How can an array be sorted in descending order in C?

By using a custom comparison function in the sort function Signup and view all the answers

What are the primary considerations in selecting an array data structure?

All of the above Signup and view all the answers

How does the qsort function in C handle void pointers?

It automatically casts void pointers based on context Signup and view all the answers

What is the purpose of storing a data-specific function-pointer in the ADT structure?

To destroy the items stored in the generic array Signup and view all the answers

What does the 'garr_create' function do?

Creates a generic array with a given capacity and a function to destroy items Signup and view all the answers

How can a data-specific function-pointer be passed into a function?

By passing it as a parameter to the function Signup and view all the answers

What is the role of the 'destroy' function in the 'garr_create' function?

To destroy the items stored in the generic array Signup and view all the answers

Which of the following is a common use case for a generic comparison function in a generic array?

To compare elements in the array Signup and view all the answers

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 Signup and view all the answers

Casting in C and C++

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