19. Write a C program to input marks of five subjects Physics, Chemistry, Biology, Mathematics and Computer. Calculate percentage and grade according to following:

Percentage >= 90% : Grade A

Percentage >= 80% : Grade B

Percentage >= 70% : Grade C

Percentage >= 60% : Grade D

Percentage >= 40% : Grade E

Percentage < 40% : Grade F




 #include<stdio.h>

#include<math.h>

int main(){
    float mp,mc,mcs,mm,mb;
    printf("Enter marks (out of 100) of physics, chemistry, comuter, maths, biology using space :");
    scanf("%f %f %f %f %f", &mp, &mc, &mcs, &mm, &mb);
    float perc=(mp+mc+mcs+mm+mb)/5;
    if (perc>90){
        printf("Yay! you have scored a grade A with %f",perc,"percentage" );
    }
    else if (perc>80){
        printf("Yay! you have scored a grade B with %f",perc,"percentage" );
    }
    else if (perc>70){
        printf("Yay! you have scored a grade C with %f",perc,"percentage" );
    }
    else if (perc>60){
        printf("Yay! you have scored a grade D with %f",perc,"percentage" );
    }
    else if (perc>50){
        printf("Yay! you have scored a grade E with %f",perc,"percentage" );
    }
    else if (perc>40){
        printf("Yay! you have scored a grade F with %f",perc,"percentage" );
    }
    else if (perc>33){
        printf("you are pass with just : %f", perc, "percentage");
    }
    else{
        printf("FAIL");
    }
    return 0;
}