complete the code for grades of student

#include

using namespace std;

class Student{ string fName, lName; int *grades; //Array to collect grades int size;

public:

Student (string l, string f, int numGrades)

{ lName = l; fName = f; size = numGrades; grades = new int[numGrades]; }

~Student(){ delete[] grades; grades = nullptr; }

void setGrades(); //To get grades from the user (may require parameter)

double calcAverage() const;

char calcLetter() const; };