#include <stdio.h>

float cgpa(float marks[], float cgp[])
{
    int i;

    for(i = 0; i < 5; i++){
        if(marks[i] >= 80 && marks[i] <= 100) {
            cgp[i] = 4.00;
        }
        else if(marks[i] >= 75 && marks[i] <= 79) {
            cgp[i] = 3.75;
        }
        else if(marks[i] >= 70 && marks[i] < 75) {
            cgp[i] = 3.50;
        }
        else if(marks[i] >= 65 && marks[i] <= 69) {
            cgp[i] = 3.25;
        }
        else if(marks[i] >= 60 && marks[i] < 65) {
            cgp[i] = 3.00;
        }
        else if(marks[i] >= 55 && marks[i] < 60) {
            cgp[i] = 2.75;
        }
        else if(marks[i] >= 50 && marks[i] < 55){
            cgp[i] = 2.50;
        }
        else if(marks[i] >= 45 && marks[i] < 50){
            cgp[i] = 2.25;
        }
        else if(marks[i] >= 40 && marks[i] < 45){
            cgp[i] = 2.00;
        }
        else {
            cgp[i] = 0.00;
        }
    }

}

int main()
{
    float electronics[100];
    float cg_elec[100];
    float math[100];
    float cg_math[100];
    float dis_math[100];
    float cg_dis_math[100];
    float cp[100];
    float cg_cp[100];
    float acc[100];
    float cg_acc[100];
    float net_cgpa[100];
    int j, n;
    printf("Enter number of student: ");
    scanf("%d",&n);
    printf("\n");
    for(j = 0; j < n; j++) {
        printf("Enter the number in Electronics for student roll no. %d : ", j+1);
        scanf("%f", &electronics[j]);

        printf("Enter the number in Mathematics for student roll no. %d : ", j+1);
        scanf("%f", &math[j]);

        printf("Enter the number in Discrete Mathematics for student roll no. %d : ", j+1);
        scanf("%f", &dis_math[j]);

        printf("Enter the number in C Programming for student roll no. %d : ", j+1);
        scanf("%f", &cp[j]);

        printf("Enter the number in Accounting for student roll no. %d : ", j+1);
        scanf("%f", &acc[j]);
    }


    cg_elec[n] = cgpa(electronics, cg_elec);
    cg_math[n] = cgpa(math, cg_math);
    cg_dis_math[n] = cgpa(dis_math, cg_dis_math);
    cg_cp[n] = cgpa(cp, cg_cp);
    cg_acc[n] = cgpa(acc, cg_acc);

    printf("..........................\n\n");

    for(j = 0; j < n; j++) {
        printf("CGPA of student roll no. %d in Electronics : %.2f\n", j+1, cg_elec[j]);
        printf("CGPA of student roll no. %d in Mathematics : %.2f\n", j+1, cg_math[j]);
        printf("CGPA of student roll no. %d in Discrete Mathematics : %.2f\n", j+1, cg_dis_math[j]);
        printf("CGPA of student roll no. %d in C Programming : %.2f\n", j+1, cg_cp[j]);
        printf("CGPA of student roll no. %d in Accounting : %.2f\n", j+1, cg_acc[j]);
        printf("\n");
    }

    for(j = 0; j < n; j++) {
        net_cgpa[j] = (cg_elec[j] * 3 + cg_math[j] * 3 + cg_dis_math[j] * 3 + cg_cp[j] * 3 + cg_acc[j] * 2) / 14;
    }

    printf(".........................\n\n");

    for(j = 0; j < n; j++) {
        printf("Net CGPA of student roll no. %d : %f\n", j+1, net_cgpa[j]);
    }

    return 0;
}