#include <stdio.h>
#include <conio.h>

struct Date
 {
   int year;
   int month;
   int day;
 };

struct Data
 {
   char add[100],Name[80];
   int id_no;
   struct Date d;
 };


main()
{
//program to illustrate structure

struct Data record[20];
int i,n,j=0;
clrscr();
printf("Enter The number of Records to be entered:");
scanf("%d",&n);
printf("\n\n");
for(i=1;i<=n;i++)
  {
    clrscr();
    printf("-----------------------------------------------------\n\n",i);
    printf("Enter Data for Record Number :%d\n",i);
    printf("-----------------------------------------------------\n\n",i);
    printf("Enter The Name:");
    scanf("%s",&record[i].Name);
    printf("\n\n");
    printf("Enter The address:");
    scanf("%s",&record[i].add);
    printf("\n\n");
    do
      {
	 printf("Enter a valid id-no between 1 and 100: ");
	 scanf("%d",&record[i].id_no);
	 printf("\n\n");
d	  for(j=(i-1);j>0;j--)
	      {
		  while(record[i-j].id_no==record[j--].id_no)
		{
		  printf("Re-Enter your id-no ,This id belongs to %s : ",record[j].Name);
		  scanf("%d",&record[i].id_no);
		  printf("\n\n");
		} //j=j+1;
	      }
      }
    while(record[i].id_no<1 || record[i].id_no>100);
    do
     {
	printf("Record maintained between 1900 and 2001 Enter valid year: ");
	scanf("%d",&record[i].d.year);
	printf("\n\n");
     }
    while(record[i].d.year<1900 || record[i].d.year>2001);
    printf("Record Done\n\n");

 }
for(i=1;i<=n;i++)
  {
    clrscr();
    printf("Name: %s",record[i].Name);
    printf("\n\n\n");
    printf("Address: %s",record[i].add);
    printf("\n\n\n");
    printf("Identification number: %d",record[i].id_no);
    printf("\n\n");
    printf("Year of transactions: %d",record[i].d.year);
    printf("\n\n");
    if(i<n)
     {
       printf("Press Enter to move");
       getch();
     }
     else
       printf("End of records");
  }
getch();

}