#include<iostream>
#include<fstream>
using namespace std;


struct Student {
	int kcstID;
	int quiz1;
	int quiz2;
	int quiz3;
	float average;
};

int main() {

// Write Code to open Binary File
 ofstream exam ("student.dat" , ios::out | ios::binary);
 const int n=5 ;
 if(!exam) {
	 cout << "Cannot open file" << endl;
	 return 1;
 }
	Student stu[n] = { {163443, 8, 8, 9},
			  {165143,5,4,6},
                {185421,10,8,9},
                       {165841,9,8,10},
                       {162315,7,8,8} };
for ( int i = 0 ; i < n ; i++){
	stu[i].average = (stu[i].quiz1 + stu[i].quiz2 + stu[i].quiz3) / 3.0 ;
	exam.write((char *)&stu[i], sizeof(Student));
                       }

//	Write Code to write to file using structure in Binary format

	if (!exam.good()) {
		cout << "Error occurred at writing time!" << endl;
		return 1;
	}
	else
		cout << "\n Data Successfully written to file";
	exam.close();


	return 0;
}