X10 writes: "Google announced some time ago that they want only developers to attend their Google IO conference. They hinted at developing a "programming test" that you have to pass before you can register. Now, they have introduced the Input Output machine at the same time they announced that Google IO registration will open on March 27. I take it that registrations will be ordered according to the quality of one's IO machine. Cute idea...."
A method of solution is perfect if we can forsee from the start,
and even prove, that following that method we shall attain our aim.