Exercise Questions - Structures

#include<stdio.h>

struct student
{
    int rollno;
    char name[20];
    int hindi, english, maths, science, sstudies;
    int total;
    float per;
}s[10];

int main()
{
    int i;
    for(i=0;i<2;i++)
    {
        printf("enter student rollno, name and hindi, english, maths, science, sstudies");
        scanf("%d%s%d%d%d%d%d", &s[i].rollno, &s[i].name, &s[i].hindi, &s[i].english, &s[i].maths, &s[i].science, &s[i].sstudies);
        s[i].total=s[i].hindi+s[i].english+s[i].maths+s[i].science+s[i].sstudies;
        s[i].per=s[i].total/5;
    }

    for(i=0;i<2;i++)
    {
        printf("student info:\n");
        printf("roll no.\nname:\nhindi marks:\nenglish marks:\nmaths marks:\nscience marks:\n;sstudies marks:\n", s[i].rollno, s[i].name, s[i].hindi, s[i].english, s[i].maths, s[i].science, s[i].sstudies);
        printf("\ntotal:");
        printf("\npercentage");
    }
    return 0;
}