https://www.dotnetzone.gr:443/cs/blogs/ikaragkiozoglou/archive/2013/04/14/google-code-jam-2013-qualifiaction-round-prob-1-tic-tac-toe-tomek-in-scala.aspxLink to pastebin object TicTacToeTomek { def solve(arr: List[List[Char]]) : String = { def checkWin(a: List[Char]) : String = { val o = a.filter(c=>c=='O').length val x = a.filter(c=>c=='X').length val t = a.filter(c=>c=='T').lengthelCommunityServer 2.1 SP3 (Build: 20423.1)