Program to Sort the Given numbers in Ascending or descending order In C

void sort(void);

int c,a[20],l;

void main()

{

 clrscr();

 printf("Enter no. of elements in the list:-  ");

 scanf ("%d",&l);

 printf("CHOICE:-");

 printf("(1) Sort in ascending order.");

 printf("(2) Sort in descending order.");

 printf("CHOICE:- ");

 scanf("%d",&c);

 if (c!=1 && c!=2)

 {

  printf("ERROR");

  getch();

  exit(0);

 }

 sort();

 getch();

}





void sort(void)

{

 int n,i,j,temp=0,min,k;

 for (i=1;i<=l;i++)

 {

  printf("Enter no.:-  ");

  scanf("%d",&a[i]);

 }

 for (i=1;i<=(l-1);i++)

 {

  min=a[i];

  k=i;

  for (j=(i+1);j<=l;j++)

  {

   if (a[j]   {

	min=a[j];

	k=j;

   }

  }

  temp=a[k];

  a[k]=a[i];

  a[i]=temp;

 }



 switch(c)

 {

  case 1:

		 printf("Elements in ascending order are:-");

		 for (i=1;i<=l;i++)

		  printf("%d",a[i]);

		 break;

  case 2:

		 printf("Elements in descending order are:-");

		 for (i=l;i>=1;i--)

		  printf("%d",a[i]);

		 break;

  default:

		  printf("ERROR");

 }

 return;

}