C question and answer

16. PRINTING ASCII VALUE
void main()
{
  int i;
  clrscr();
  for(i=0;i<=255;i++)
  {
            printf("%d -> %c ",i,i);
            delay(10);
  }
  getch();
}
17. CHECKING LEAP YEAR
void main()
{
  int year;
  clrscr();
  printf("Enter any year->");
  scanf("%d",&year);
  if(((year%4==0)&&(year%100!=0))||(year%400==0))
            printf("%d is a leap year",year);
  else
            printf