Discussion @ 1249. Ancient Necropolis @ Timus Online Judge

Hint

Posted by it4.kp 2 Jun 2005 03:35

Can't solve this problem fast?

I can give a little hint:

Think about role of squares like

01
11

or

10
11

or

11
01

and finally

11
10

Thats all.
Good luck!

Edited by author 02.06.2005 03:45

Re: Hint

Posted by Edgar Rokyan 21 Aug 2011 14:45

thank you for this advice!

Re: Hint

Posted by Edric Mao 24 Sep 2011 16:28

fantastic

Re: Hint

Posted by vlyubin 7 Mar 2012 07:14

Yeah, much better than doing DFS's and checking...

Discussion of Problem 1249. Ancient Necropolis