#1
#include <stdio.h>
#include <string.h>
 
struct student {
   char  name[30];
 float percent;
   int   roll_no;
};
 
int main( ) {
typedef struct student STU ;
 STU s1, s2;      
 
 
   strcpy( s1.name, "youre name");
    s1.percent = 95.78;
   s1.roll_no = 163;

   
    strcpy( s2.name, "onother name");
    s2.percent = 96.57;
   s2.roll_no = 87000;

 
   
   printf( "student 1 name : %s\n", s1.name);
   printf( "Grade : %.2f \n", s1.percent);
   printf( "Student number : %d\n", s1.roll_no);
 
 
  printf(" \n ");
 
printf("student 2 name : %s\n", s2.name);
   printf( "Grade : %.2f \n", s2.percent);
   printf( "Student number : %d\n", s2.roll_no);
 
   return 0;
}