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- 4. Declare an int pointer that points to another pointerAnswer:Create a function that can accept a pointers and array with values of 1000, 2, 3, 17, 50. Your program will display the array values and its averageThe following code C++ uses pointers and produces two lines of output. What is the output? int v1 = 10; int v2 = 25; int* p1 = &v1; int* p2 = &v2; *p1 += *p2; p2 = p1; *p2 = *p1 + *p2; cout << v1 << " " << v2 << endl; cout << *p1 << " " << *p2 << endl; find line 1 and 2.
- The following describes the difference between void and NULL pointers: Make proper use of examples to bolster your argument.Assume aa is a pointer of int type, and has been allocated enough memory : int* aa = new int; Which line assign value 10 by using dereference and then release the memory correctly? Question 19 options: A. aa = 10; delete aa*; B. *aa = 10; delete aa; C. *aa = 10 delete []aa; D. aa = 10; delete [] aa;If s1 and s2 are pointers of the same type, then s2=s1 is a valid statement.True or false?
- 1. Write a function called void swap with two parameters, which will receive the addressof x and y as pointer. The function should swap the value of x and y only if x is larger thany. Print the value of x and y after the function call. 2. Write a function called double getAverage(int *array, int SIZE), whereit accept the array as pointer, and return the average of the array. Print the returnedvalue from this function. Always use *array rather than subscript to access the arrayvalue.The following code C++ uses pointers and produces two lines of output. What is the output? int v1 = 10; int v2 = 25; int* p1 = &v1; int* p2 = &v2; *p1 += *p2; p2 = p1; *p2 = *p1 + *p2; cout << v1 << " " << v2 << endl; cout << *p1 << " " << *p2 << endl; . . . line 1 line 2 SubmitDeclare 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 ofthe array POINTED to by charArrPointer. Do NOT store any values directly into the array namedinitials.
- Write an array of pointers to student structure of size 2. Fill this array to point to 2 students. Call a display function to display the values.C+++ CODE HELP WITH POINTER BASICS CODE TO DO THE FOLLOWING: In function DisplayRank(), if rankPointer is null, print "rankPointer is null.". Otherwise, print the value in the variable pointed to by rankPointer. End with a newline. Ex: If the input is Y D, then the output is: D #include <iostream>using namespace std; void DisplayRank(char* rankPointer) { /* Your code goes here */ } int main() { char rank; char* rankPointer; char action; rank = '0'; cin >> action; cin >> rank; if (action == 'Y') { rankPointer = &rank; } else { rankPointer = nullptr; } DisplayRank(rankPointer); return 0;}(a) Determine whether the following variable declaration is valid int INT; A Valid B Invalid (b) Determine whether the following variable declaration is valid. int *ptr; A Valid B Invalid (c) Which of the following statement about pointer is TRUE? A. A pointer variable is a variable used tostore an address B.A pointer holds the data, rather thanwhere to find the data C.The unary operator & is used to find anobject's value D.The unary operator * is used to find an object's address