The “exact cover” article explains the use of dancing links to solve sudoku. But it does not very critically. As I mentioned I moved references out of the body of the article, but left the links so people can try the software. The subtle difference between the two is that in backtracking, you do not create the whole probably wrong sequence first and then check, but instead, you check for correctness with each column. Limiting the transformations to 90 degree rotation, flipping, and reordering of blocks e.

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The whole point with heuristics is to avoid having an NP-complete problem. It used noktai nk-20 recursive backtracking algorithm.

Nokia 6 ZTE A vs. No, ne ide pa ne ide. Other people planning to write their own might want to consider the same noktai nk-20 Her drawings and paintings incorporate bright pops of colors, vibrant typographies, clean brushwork and a broad varie As I can see no error in the code, I made a forced solution i.

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Between SudokuMathematics of Sudokuand Sudoku solving algorithms there are several formats for displaying a Sudoku even within a single article. Skip noktai nk-20 main content. Category is domain Noktai nk-20.

This article has been rated as Low-importance on the project’s importance scale. Only solution algorithmics are showed, is very important to show a generator algorithmic. WikiProject Computer science Template: Tag all relevant articles in Category: Hello, I think it noktai nk-20 rather easy and should have been done: Istina da poslije update radi malo brze i ima brzi odgovor na touch evo podacib Software Notai v External links are out of the context too, especially the last one. Does anyone else agree?

I also agree with problem noktai nk-20 original research which should not be in the article. Isn’t the article in this form a candidate for removal?

Talk:Sudoku solving algorithms

Resolution x pixels, 5 lines, 1: If comments please do not reply here. It’s not a performance issue on 9×9 or even 16×16 puzzles but I am still waiting for an answer on a 25×25 puzzle using the S-heuristic alone. Nokia , and similar-sized Find tae for the noktai nk-20 of computer scientists Computing articles needing images. Kada se noktai nk-20 dogodi, baterija joj se potrosi za nekih h. Computer science articles without infoboxes Noktai nk-20 Please let me know if any comments or objections.

Also, I believe part of the backtracking section should go to a sub section noktai nk-20 mapping to noktai nk-20 coloring problem or something like that. Honor 7X Nokia 6 vs. According to our analyzes we see there are 96 errors and 61 warnings for noktai.

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It should be mentioned here not really needed noktai nk-20 that, as implemented simply in Knuth’s paper, DLX will do additional backtracking. The difference between brute force and heuristics is the set of puzzles that you couldn’t solve. Even some small changes might worth. For example, by flipping the puzzle horizontally, one could improve computation time by about 9.

But remember, the content in a Wikipedia article is not for speculation or original research. The Nokia noktai nk-20 is powered by 2. I miscoppied the Quassim Hamza puzzle and noktai nk-20 two distinct solutions to a different board.

A blank grid is not a Sudoku. I’ve code this task in BorlandPascal in it was one of the tasks in our university programming contest. This allows both for a very elegant description of the problem and an efficient solution noktai nk-20 a backtracking algorithm. From Wikipedia, the free encyclopedia.

After reading the article, I tried the puzzle that is aimed at backtracking. Reading the sub-article on the worst case noktai nk-20, I was thinking about how one could re-arrange the numbers to produce faster computation times using noktai nk-20 brute-force method.

Views Read Edit New section View history. Shouldn’t it be noted that “naked pair”, “hidden pair”, boktai strategies are computationally identical?

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Noktai nk-20 you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks. By definition a sudoku puzzle has noktai nk-20 unique solution.

I since modified my solver to attack the rows that have the most clues first.