void recSS(int A[], int i, int n)
{
	int j, small, temp;
	if (i < n-1) { /* basis is when i = n-1, in which case */
			/* the function returns without changing A */
			/* induction follows */
			small = i;
			for (j = i+1; j < n; j++)
				if (A[j] < A[small])
					small = j;
			temp = A[small];
			A[small] = A[i];
			A[i] = temp;
			recSS(A, i+1, n);
		}
}