The statement double *num; O defines a variable of type double called num. defines and initializes a pointer variable called num. defines a pointer variable called num. initializes a variable called *num. O None of the above
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- c++ programming language given the following variable declaration: double avg; write the required commands to declare a pointer, and then use it to display the value of the variable avg.Fill-in-the-Blank The __________ operator can be used to work with the variable a pointer points to.Define the term " pointer to void " .
- Assume pint is a pointer variable. For each of the following statements, determine whether the statement is valid or invalid. For those that are invalid, explain why. A) pint++;B) --pint;C) pint /= 2;D) pint *= 4;E) pint += x; // Assume x is an int.c++ How do you declare a pointer that will hold an integer type?. Multiple choice. int *p; int &p; int p; int* p;pointers as Arguments:In the C programming language there is no pass-by-reference syntax to passa variable by reference to a function. Instead a variable is passed by pointer(just to be confusing, sometimes passing by pointer is referred to as pass byreference). This Practice Program asks you to do the same thing as C.Here is the header for a function that takes as input a pointer to an integer:1. void addOne (int ∗ptrNum )Complete the function so it adds one to the integer referenced by ptrNum.Write a main function where an integer variable is defined, give it an initialvalue, call addOne, and output the variable. It should be incremented by 1.
- In c++, please and thank you! Write a function that dynamically allocates an array of integers. The function should accept an integer argument indicating the number of elements to allocate. The function should return a pointer to the array.In C, in order to do operations to the data being referenced by a pointer you would need to use the (*) operator, which is called ______________ operator.1. Declare an integer pointer variable intPointer. Initialize it to point to an int variable named someInt.Assign the value 451 to someInt and output (cout) the variable someInt and output (cout) the value pointed to by intPointer.Write an assignment statement that indirectly stores 900 into the value pointed to by intPointer.Output (cout) the value pointed to by intPointer and output (cout) the variable someInt,2. Declare a pointer variable charArrPointer and initialize it to point to the first elementof a three-element char array named initials. Write assignment statements to store 'A', 'E', and 'W' into the first three elements of the array POINTED to by charArrPointer. Do NOT store any values directly into the array named initials.3. Output (cout) the data in array charArrPointer and the data in array initials. 4. Copy the following code into your program above main: struct NodeType {int num;NodeType* next;};5. Copy the following code into your program after main: NodeType…