On Wed, May 28, 2008 at 1:53 PM, Zeratul [EMAIL PROTECTED] wrote:
On a board there are N * 2 pins colored with either black or white.
The number of black pins is equal to that of white ones.
Each pin has a location x, y, and x y are all integers (there are no
more than one pins on the same
On May 28, 10:16 pm, Ajinkya Kale [EMAIL PROTECTED] wrote:
On Wed, May 28, 2008 at 1:53 PM, Zeratul [EMAIL PROTECTED] wrote:
We can pair a white pin located at x1, y1 with a black pin located
at x2, y2 if x1 x2 and y2 y2.
you mean y1 y2 right ?
Yes
My idea is to first find