#include <stdio.h>

struct student{
    int rollno;
    char name[20];
    float mark;
};

int main() {
    struct student s[2]={{10,"Karthi",50.5},
    {11,"Muthu",100}
    };
    for(int i=0'i<3;i++){
        printf("%d\t%s\t%.2f\t",s[i].rollno,s[i].name,s[i].mark);
    }
   
return 0;
}