khoob study: write a program to print student marks and percentage and average

#include<stdio.h>

#include<conio.h>

main()

{

int av,roll,a[10],n,i,s=0;

char name[12];

clrscr();

printf("enter the name of student ");

gets(name);

printf("enter the roll number of student");

scanf("%d",&roll);

printf("how many subject do u have\n ");

scanf("%d",&n);

for(i=1;i<=n;i++)

{

printf("enter the marks in subject is %d\t",i);

scanf("%d",&a[i]);

s=s+a[i];

}

av=s/n;

clrscr();

printf("name of student is %s ",name);

for(i=1;i<=n;i++)

{

printf("marks in subject %d =%d\n",i,a[i]);

}

printf("total marks =%d \n",s);

printf("avrage marks =%d\n",av);

if(av>80)

printf("A grade");

else if (av>=70)

printf("B grade");

else if (av>=60)

printf("C grade");

else

printf("D grade ");

getch();

}

khoob study