problem_5 chapter_2

#include <stdio.h>

int main()
{
    int phy, chem, bio, math, comp;
    float percentage;

    printf("Enter input marks of five subjects: ");
    scanf("%d %d %d %d %d", &phy , &chem , &bio , &math , &comp);

    percentage = (phy + chem + bio+ math + comp) / 5.0;
    printf("Percentage = %.2f %%\n", percentage);


     if(percentage >= 90)
            {
            printf("Grade A\n");
            }
     else if(percentage >= 80)
            {
            printf("Grade B\n");
            }
     else if(percentage >= 70)
            {
            printf("Grade C\n");
            }
     else if(percentage >= 60)
            {
            printf("Grade D\n");
            }
    else if(percentage >= 40)
            {
            printf("Grade E\n");
            }
    else
            {
            printf("Grade F\n");
            }

    return 0;
}