void all_changes(double **d, double* c, int lim, int N, int *status)
{
	if(*status==0)
	{
		int count=N-lim;
		for(int k=0; k<count; k++)
		{
			if(lim<N-2)
				all_changes(d, c, lim+1, N, status);
			else
			{
				print_row(c, N);
				*status=check_DU(d, c, N);
				if(*status==1)
					make_swaps(d, c, N);
			}
			move(c, lim, N);
		}
	}
}