#include <stdio.h>
#include<string.h>
struct student
{
    int id;
    char name[20];
    float mark;
}
int main()
{
    struct student s1;
    s1.id=101;
    s1.mark=86.5;
    strcpy(s1.name,"sriram");
    printf("id %d\n",s1.id);
    printf("name%s\n",s1.name);
    printf("mark%2f\n",s1.mark);
    return 0;
}