/*Generates a simple grading report for each student*/
 
#include <stdio.h>
 
#define LEN 25
 
#define S 5
 
struct stud_rec
 
{
 
	char name[LEN+1];
 
	float num_grade;
 
	char let_grade;
 
};
 
struct stud_rec records[S]; 
 
void letter_grade(double average, double points);
 
main()
 
{
 
	int n,b,i,rec;
 
	char fname[LEN+1];
 
	double points,average;
 
	FILE *fp;
 
	printf("Please Enter a file name to store the data: ");
 
	scanf ("%s", &fname);
 
	fp = fopen(fname, "w");
 
	printf("How many records do you want to enter?: ");
 
	scanf("%d", &rec);
 
	for(i=0;i<rec;i++)
 
	{
 
		printf("Enter the student name: ");
 
		scanf("%s", &records[i].name);
 
		fprintf(fp,"\n%s\n",records[i].name);
 
		n=0;
 
		for (b=0;b<S;b++)
 
		{
 
			n++;
 
			printf("Enter Grade %d: ",n);
 
			scanf("%f", &records[b].num_grade);
 
			fprintf(fp,"%.1f ", records[b].num_grade);
 
		}
 
		printf("\n");
 
		printf("My Grading Report\n");
 
		printf("Student  Grade1  Grade2  Grade3  Grade4  Grade5  Tpts  FinalGrade  LetterGrade\n");
 
		printf("--------------------------------------------------------------------------------\n");
 
		printf("%s", records[i].name);
 
		for (b=0;b<S;b++)
 
		{
 
			printf("\t  %.1f",records[b].num_grade);
 
 
		}
 
		points=0;
 
		for(b=0;b<S;b++)
 
 
		{
 
 
			points=points+records[b].num_grade;
 
		}
 
		average = (points/S);
 
		printf("\t %.1f",points);
 
		printf("\t %.1f", average);
 
		letter_grade(average,points);
 
		printf("\n");
 
		printf("--------------------------------------------------------------------------------\n");
 
		printf("Class Average: %.lf\n\n", average);
 
	}
 
	fclose(fp);
 
	return 0;
 
}
 
void letter_grade(double average, double points)
 
{
 
 
	if (average>=80)
 
	{
 
		printf("\t\tA");
 
	}
 
	if ((average>=70) && (average<80))
 
	{
 
		printf("\t\tB");
 
	}
 
	if ((average>=60)&&(average<70))
 
	{
 
		printf("\t\tC");
 
	}
 
	if ((average>=50)&&(average<60))
 
	{
 
		printf("\t\tD");
 
	}
 
	else if(average<50)
 
	{
 
		printf("\t\tF");
 
	}
 
}