project

// Octavio Lucca, 120888193

//final Project PRG 12/05/2019 5:00pm


#include <stdio.h>
void explain(int counterA, int counterB, int counterC, int counterF, float avg);
#define A_RANGE "(85-100)"
#define B_RANGE "(70-84)"
#define C_RANGE "(55-69)"
#define F_RANGE "(0-54)"
#define A_START 85
#define B_START 70
#define C_START 55
//above is all defining and plus the function
void main()
{
    float mark = 0, avg = 0, sum = 0, countermark = 0; //giving values
    int counterA = 0, counterB = 0, counterC = 0, counterF = 0; //giving values

    do//while number different then 999 keep looping forever
    {
        explain(counterA, counterB, counterC, counterF, avg); // giving values tand calling the function
        scanf("%f", &mark); //scanning what mark the user is imputing
        if (mark <= 100 && mark >= 0) //checking if mark is going to add to our mark range (A to F)
        {
            countermark++; //counting how many marks are beeing added to be used on the avarage
            if (mark >= A_START) // checking if mark is betting A range
            {
                counterA++;//adding +1 to A_range in the printf
            }
            else if (mark >= B_START&&mark<A_START)// checking if mark is betting B range
            {
                counterB++;//adding +1 to B_range in the printf
            }
            else if (mark >= C_START&&mark<B_START)// checking if mark is betting C range
            {
                counterC++;//adding +1 to C_range in the printf
            }
            else if (mark<C_START&&mark >= 0)// checking if mark is betting F range
            {
                counterF++;//adding +1 to F_range in the printf
            }

            sum += mark;// sum = sum + mark
            avg = sum / countermark; // avg = sum+=mark/countermark
            system("cls");
        }
        else
        {
            printf("\ninvalid entry\n");
            printf("\ninvalid entry\n");
            printf("\ninvalid entry\n");
        }
        if (mark == -1) //to reset the grade counters
        {
            counterA = 0; //seting A to 0
            counterB = 0;//seting B to 0
            counterC = 0; //seting C to 0
            counterF = 0; //seting F to 0

        }
        else if (mark == 999) // confirming if the user wants to leave
        {
            printf("enter to confirm exiting the program");
        }


        getchar();

    } while (mark != 999);


    getchar();

}

void explain(int counterA, int counterB, int counterC, int counterF, float avg) //getting the values of the mark from main
{
    printf("        GRADING SUMMARY\n");
    printf("\nTotal number of 'A' %s \t%d ", A_RANGE, counterA);
    printf("\nTotal number of 'B' %s \t%d ", B_RANGE, counterB);
    printf("\nTotal number of 'C' %s \t%d ", C_RANGE, counterC);
    printf("\nTotal number of 'F' %s \t%d ", F_RANGE, counterF);
    printf("\n------------------------------------");
    printf("\nThe average of marks entered = \t%.1f \n", avg);
    printf("\nOPERATIONS: \n");
    printf("\nEnter marks between 0 to 100 for the summary. \n");
    printf("\nEnter -1 to clear all counters. ");
    printf("\nEnter 999 to exit the program.\n");
    printf("\nEnter one mark at a time from here ==> ");
}