#include <stdio.
h>
#include <conio.h>
#include <string.h>
struct student {
    char name[20];
    int rollno;
    float marks;
}x;
int main()
{
        int s;
    printf("Enter the name: ");
    scanf("%s", &x);
    printf("Enter the rollno: ");
    scanf("%d", &x);
    printf("Enter the marks: ");
    scanf("%f", &x);
    s = sizeof(x);
    printf("Size of structure = %d\n", s);
getch ();
    return 0;
}