Which of the following statements are true for ordinary/automatic arrays in C++? (select all that are true) Every element in an array has the same base type. The array will grow dynamically to accommodate additional elements. The array elements are always initialized to 0 when an array is created. The size is given either explicitly with a constant or implicitly with an initializer. It is always a fatal error to access outside of the array bounds. The array must be deleted explicitly when the programmer is done with it.
- Select all of the TRUE statements below about variables, memory and pointers.
All variables have a type that dictates the size in bytes and the range of values.
Variables declared in main are available globally to the entire program.
Memory for a variable declared in a block is stored in the freestore/heap.
A pointer to a char requires less memory than a pointer to an int.
A pointer to an int can point to either a single integer variable or a single dimension array of integers.
Memory for a dynamically declared variable is stored in the freestore/heap.
- Select all of the FALSE statements below about
vectors .
When we use the push_back member function to add elements to a vector, elements are added to the back of the array.
Once you create a vector, you can initialize elements using bracket notation, even if they have not been created yet.
Vectors can be initialized like arrays in all versions of C++.
You can use both range-based and traditional for loops to iterate through all elements of a vector.
Vector assignment works identically to array assignment.
A vector's capacity must be manually adjusted using the reserve and resize member functions.
- Which of the following statements are true for ordinary/automatic arrays in C++? (select all that are true)
Every element in an array has the same base type.
The array will grow dynamically to accommodate additional elements.
The array elements are always initialized to 0 when an array is created.
The size is given either explicitly with a constant or implicitly with an initializer.
It is always a fatal error to access outside of the array bounds.
The array must be deleted explicitly when the programmer is done with it.
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