Structures in C Programming

Program 1

// Program for Structure
#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<string.h>
struct Student
{
    int rno;
    char name[50];
    float per;  
}; struct Student s[5];  // Array of Structure
int main()
{
    system("cls");
   int i;
   for(i=0;i<5;i++) 
   {
    printf("\nEnter Roll no");
    scanf("%d",&s[i].rno);
    fflush(0);
    printf("\nEnter Name");
    scanf("%s",s[i].name);
    fflush(0);
    printf("\nEnter percentage");
    scanf("%f",&s[i].per);
   }
   printf("Roll no \t Name \t Percentage");
   for(i=0;i<5;i++)
   {
      printf("\n");
      printf("%d\t %s \t %.2f ",s[i].rno,s[i].name,s[i].per);
   }
   
  return 0;
}