Assume that number is an int array and intptr is an int pointer. Which statement correctly assigns the address of the number array to the intptr pointer? O "intptr = &number; O intptr = &number; O intptr = "number; intptr = number;
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- Assume that number is an int array and intptr is an int pointer. Which statement correctly assigns the address of the number array to the intptr pointer?• *intptr = &number;• intptr = &number;• intptr = *number;• intptr = number;Please create an array (called intArr) of type int that contains 25 elements. Then create a pointer (pointer2Arr) to the array.If integer pointer aPtr is to point at a data item whose value may not change it must be declared as ... A. const int * const aPtr; B. int *aPtr; C. int *const aPtr; D. const int *aPtr;
- •• R7.10Pointers are addresses and have a numerical value. You can print out the value of a pointer as cout << (unsigned)(p). Write a program to compare p, p + 1, q, and q + 1, where p is an int* and q is a double*. Explain the results.Assignment Pointers & Classes1- Define a class student with the following fields:a. First nameb. Last namec. IDd. Number of courses enrolled ine. Dynamic array of courses (taken and currently enrolled in): String *coursesf. Dynamic array of grades: int* gradesg. Addressh. Registration feesi. Total number of creditsj. Expected Graduation term.2- Declare an array of four students. Perform the following operations using your declared array:a. Open the provided file input.txt. Fill the array by reading values from the specified inputfile. Make sure that the array of courses and array of grades are initialized properly anddestroyed properly as well.b. Call a function that prints student information in a well-organized table like fashion.c. Call a function that compares average between two students.d. Call a function that prints student names based on their GPA from highest to lowest.(hint you need to sort the array of students).e. Call a function that prints student names from lowest…C++ please Write a program that creates an array of integers and a pointer to the array. The program should then use the pointer to display the values in the array.
- 3. Pointers – Arrays: initializing content • Using the pointer ptrArray, you now want to write values in those integers. Use a loop to go through each element in that array, and initialize them all to 42. This is done in the main. 4. Pointers – Arrays: printing • Write a function that will print the elements in the array-pointer. The function should accept a pointer to an integer, and the size of this array. The function should not return anything. Here is your function prototype: void printArray(int* ptr, int nb); • Your function needs to use a loop to go through all the elements in the array, and simply prints them on a new line. • In the main function, call this function with your pointer ptrArray and the size given by the user.Address of Array//Write the output of each cout statement.//Assume the size of ints to be 4 bytes.//Assume the size of pointers to ints to be 8 bytes.int main() {int a[3][3]={{1,2,3},{4,5,6},{7,8,9}};cout << sizeof(a) << endl: //1: ___________________________cout << sizeof(a+0) << endl: //2: _____________________________cout << sizeof(*(a+0)) << endl: //3: _____________________________cout << sizeof(**a) << endl; //4: ____________________________cout << sizeof(&a) << endl; //5: _____________________________Assume the address of "a" is 0x7ffee2fef9e0cout << a + 1 << endl; //6: ________________________________________cout << *a + 1 << endl; //7: ________________________________________cout << **a + 1 << endl; //8: _______________________________________cout << &a << endl; //9: __________________________________________cout << &a + 1 << endl; //10:…In order to declare a pointer, the ""&"" (ampersand) symbol is used." True False
- 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 ofthe array POINTED to by charArrPointer. Do NOT store any values directly into the array namedinitials.a. Write a statement that declares votes to be pointer of type int. b. Write a C++ code that dynamically creates a two-dimensional array of 50 rows and 10 columns and votes contains the base address of that array. c. Write a C++code that outputs the data stored into the array votes one row per line. d. Write a C++ code that deallocates the memory space occupied by the two-dimensional array to which votes points.Write a function that will receive a pointer to the address of the first element of the array. Read the ID numbers contained in idnumbers.txt into the array. Display a message which indicates that data is being read from the file. Return the number of elements saved in the array. Write a function that will receive the pointer of the first element of an array, as well as the number of elements in the array. The function should display the birth date of each person. Assume valid years are from 1921-2020.