On Sun, May 4, 2008 at 6:22 AM, Harry Kakueki <list.push / gmail.com> wrote:

>  ruby q161.rb 10000000000000000
>  84 numbers

I've got 106 in that range:

$ time ./reverse_divisible 10_000_000_000_000_000
106

real    0m1.457s
user    0m1.364s
sys     0m0.092s

The only reason why I don't post the solution yet is because I'm stuck
on a proof that the method is correct :-(

Marcelo