/* This program allows a user to input cs35 grades and have the final
grade calculated according to the weights of the class */

#include <stdio.h>

main()
{
	int counter, num_exer, num_prog, num_journ;
	float exer, prog, fin_prog, journ, part, eval;
	float t_exer, t_prog, t_journ;	
	float per_exer,	per_prog, per_fin_prog, per_part, per_eval;
	float per_journ, fin_grade;

	per_exer = 0;
	per_prog = .40;
	per_fin_prog = .30;
	per_part = .10;
	per_eval = 0;
	per_journ = .20;
	
	printf("This program will calculate ");
	printf("your CS35 grades for you.\n");
	printf("\n");
	printf("Please enter how many grades you have ");
	printf("for each CS35 course component:\n");
	printf("\tExercises: ");
	scanf("%d", &num_exer);
	printf("\tPrograms:  ");
	scanf("%d", &num_prog);
        printf("\tJournals:  ");
        scanf("%d", &num_journ);
	printf("\n");
	printf("Please enter the following grades (ex. 88 or 98.7)\n");
	counter = 0;
	while (counter < num_exer) {
		counter = counter + 1;
		printf("\tExercise %d", counter);
		printf(":    ");
		scanf("%f", &exer);
		t_exer = t_exer + exer;
	};	
	printf("\n");
	counter = 0;	
        while (counter < num_prog) {
                counter = counter + 1;
                printf("\tProgram %d", counter);
                printf(":     ");
                scanf("%f", &prog);
                t_prog = t_prog + prog;
	};	
	printf("\n");
        printf("\tFinal Project: ");
	scanf("%f", &fin_prog);
	printf("\n");
	counter = 0;
        while (counter < num_journ) {
                counter = counter + 1;
                printf("\tJournal %d", counter);
                printf(":     ");
                scanf("%f", &journ);
                t_journ = t_journ + journ;
        };
	printf("\n");
        printf("\tParticipation: ");
        scanf("%f", &part);
        printf("\n"); 
	printf("\tCourse Eval:   ");
	scanf("%f", &eval);
	printf("\n"); 

	printf("  Component       Average     Percentage ");
	printf("of Grade\n\n");
	printf("Excercises");
	printf("%13.2f%%", t_exer / num_exer);
	printf("%20.0f%%\n", per_exer * 100);

        printf("Programs");
        printf("%15.2f%%", t_prog / num_prog);
        printf("%20.0f%%\n", per_prog * 100);

	printf("Final Project");
	printf("%10.2f%%", fin_prog);
        printf("%20.0f%%\n", per_fin_prog * 100);

        printf("Journals");
        printf("%15.2f%%", t_journ / num_journ);
        printf("%20.0f%%\n", per_journ * 100);

	printf("Participation");
	printf("%10.2f%%", part);	
        printf("%20.0f%%\n", per_part * 100);

	printf("Course Eval.");
	printf("%11.2f%%", eval);
        printf("%20.0f%%\n\n", per_eval * 100);
	
	fin_grade = exer * per_exer + prog * per_prog + journ * per_journ;
	fin_grade = fin_grade + fin_prog * per_fin_prog;
	fin_grade = fin_grade + part * per_part + eval * per_eval;

	printf("FINAL GRADE ");
	if (fin_grade < 0)
		printf("Please rerun program and carfully enter grades");
	else if (fin_grade <= 60)		
		printf ("F");
	else if (fin_grade <= 63)
		printf ("D-");
        else if (fin_grade <= 67)
                printf ("D");
        else if (fin_grade <= 70)
                printf ("D+");
        else if (fin_grade <= 73)
                printf ("C-");
        else if (fin_grade <= 77)
                printf ("C"); 
        else if (fin_grade <= 80)
                printf ("C+"); 
        else if (fin_grade <= 83)
                printf ("B-"); 
        else if (fin_grade <= 87)
                printf ("B"); 
        else if (fin_grade <= 90)
                printf ("B+"); 
        else if (fin_grade <= 93)
                printf ("A-"); 
        else if (fin_grade <= 97)
                printf ("A");
        else if (fin_grade <= 100)
                printf ("A+"); 
	else if (fin_grade > 100) {
		printf("If there is not extra credit, please run ");
		printf("the program again and carefully enter grades");
	}
printf(" (%.2f%%)\n", fin_grade);
}