double a[10][10], b[10];
        int i, j, tmp;

        printf("\nEnter the number of equations: ");
	scanf("%d",&n);
	for (i=0;i<n;i++)
	{
		printf("Enter coefficents followed by right side value for row %d.",i+1);
		for (j=0;j<n;j++)
		{
			scanf("%lf",&a[i][j]);
		}
		scanf("%lf",&b[i]);	
	}

	scanf("%d", &tmp);