/** C program to enter marks of five subjects and find percentage and Grade **/ #include <stdio.h> int main() { int phy, chem, bio, math, comp; float per; printf("Enter five subjects marks: "); scanf("%d%d%d%d%d", &phy, &chem, &bio, &math, &comp); per = (phy + chem + bio + math + comp) / 5.0; printf("Percentage = %.2f\n", per); if(per >= 90) { printf("Grade A"); } else if(per >= 80) { printf("Grade B"); } else if(per >= 70) { printf("Grade C"); } else if(per >= 60) { printf("Grade D"); } else if(per >= 40) { printf("Grade E"); } else { printf("Grade F"); } return 0; }