#include <stdio.h>
struct College{
 char collegename[30];
 char city[30];
};
struct student
{
    int rollno;
    char name[20];
    float marks;
struct College details
}
int main()
{
    struct student s1={13,"Aneesh.",95.0,{"ciet","coimbatore"}};
                        
       // for(int i=0;i<4;i++)
       // {
        //    printf("%d\t%s\t%.2f\t\n",s1[i].rollno,s1[i].name,s1[i].marks);
        //}
       // return 0;
                         
    printf("Roll no: %d.\n",s1.rollno);
    printf("Name   : %s\n",s1.name);
    printf("Marks  : %.2f\n",s1.marks);
    printf("       : %d\n",s1.details.collegename);
    printf("       : %s\n",s1.details.city);
    //printf("       : %.2f\n",s2.marks);
}