On Mon, May 9, 2011 at 17:44, Marcelo Ramires <marcelo.f.rami...@gmail.com>wrote:
> I understood how to solve this, but *how does one come to this solution ?* > * > If the xor of all numbers is zero, you can pick any candy, and the xor to > this number is going to be equal to the xor from the rest of them.* > > For me, I got this when I was trying to understand how Patrick did binary arithmetic. I added two numbers by hand, and noticed it was, in fact, a xor. That moment also drove my choice of language. Douglas Drumond -- You received this message because you are subscribed to the Google Groups "google-codejam" group. To post to this group, send email to google-code@googlegroups.com. To unsubscribe from this group, send email to google-code+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-code?hl=en.