#include<stdio.h>
int main()
{
	int arr[20],i,j;
	int index = 0, temp;
  printf("Enter integers, ending with -1.\n");
  do
  {
    	scanf("%d", &temp);
      if (index >= 20)
      {
        printf("EXCEEDED ARRAY SIZE of 20\n");
      	break;
      }
      else
      {
        *(arr+index) = temp;
        index++;
      }
  } while (temp != -1);
	index--;

	printf("Array before sorting: ");
	for(i=0;i<index;i++)
		printf("%d ",*(arr+i));
	printf("\n");

	for(i=1;i<index;i++)
	{
		for(j=0;j<index-1;j++)
		{
			if(*(arr+j) > *(arr+j+1))
			{
				temp = *(arr+j);
				*(arr+j) = *(arr+j+1);
				*(arr+j+1) = temp;
			}
		}
	}

	printf("Array after sorting: ");
	for(i=0;i<index;i++)
		printf("%d ",*(arr+i));
	printf("\n");
}