FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in          Games  Calendar Log in to check your private messages    X-wing strategy          Sudoku Programmers Forum Index -> Solving sudoku View previous topic :: View next topic   Author Message Aidy Joined: 26 Jul 2005 Posts: 2 : Items Posted: Tue Jul 26, 2005 4:31 pm    Post subject: X-wing strategy I'm writing a solver (I think the world needs another one) and my x-wing technique looks for pairs in each row then eleminates the number from the candidates on the relevant columns. Am I right in thinking it should also do it the other way and check for pairs in columns then eliminate candiates in the relevant row? Back to top chabo Joined: 26 Jul 2005 Posts: 1 : Location: Belgium Items Posted: Tue Jul 26, 2005 9:42 pm    Post subject: Indeed, you have to check the columns too. More info on X-Wings can be found at: http://www.daily-sudoku.tk Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         Sudoku Programmers Forum Index -> Solving sudoku All times are GMT Page 1 of 1   Jump to: Select a forum Sudoku----------------Solving sudokuSetting sudokuProgramming sudokuThe mathematics of sudokuExotic sudoku Library----------------PuzzlesSoftwareSudoku elsewhere Not sudoku----------------Random thoughtsForum feedback  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum   Powered by phpBB © 2001, 2005 phpBB Group Igloo Theme Version 1.0 :: Created By: Andrew Charron