int f(int s, int h, int tc, int b, int w) {
        System.out.println(tc + " s:" + s + " h:" + h);
        if (s == 0 || h == 0)
            return tc;

        int hc = colors[colors.length - h];

        if(hc == 1)
            return Math.min(f(s,h-1,tc,b+1,w), f(s-1,h,tc+(b*w),0,0));
        else
            return Math.min(f(s,h-1,tc,b,w+1), f(s-1,h,tc+(b*w),0,0));

    }