// Arrays of structures

#include<stdio.h>
struct marks
{
	int sub1;
	int sub2;
	int sub3;
	int total;
};

int main()
{
	int i;
	struct marks student[3] = {{45,67,81,0},{75,53,69,0},{57,36,71,0}};
	struct marks total;
	for(i = 0; i <= 2; i++)
	{
		student[i].total = student[i].sub1 + student[i].sub2 +
		student[i].sub3;
		
		total.sub1 = total.sub1 + student[i].sub1;
		total.sub2 = total.sub2 + student[i].sub2;
		total.sub3 = total.sub3 + student[i].sub3;
		total.total = total.total + student[i].total;
	}

	printf("STUDENT TOTAL\n\n");
	for(i = 0; i <= 2; i++)
			printf("Student[%d] %d\n", i+1,student[i].total);
	printf("\n SUBJECT TOTAL\n\n");
	printf("%s %d\n%s %d\n%s %d\n","Subject 1", total.sub1,
		"Subject 2 ", total.sub2,"Subject 3", total.sub3);

	printf("\nGrand Total = %d\n", total.total);
}