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  2. Sudoku solving algorithms - Wikipedia

    en.wikipedia.org/wiki/Sudoku_solving_algorithms

    Some hobbyists have developed computer programs that will solve Sudoku puzzles using a backtracking algorithm, which is a type of brute force search. [3] Backtracking is a depth-first search (in contrast to a breadth-first search), because it will completely explore one branch to a possible solution before moving to another branch.

  3. Ariadne's thread (logic) - Wikipedia

    en.wikipedia.org/wiki/Ariadne's_thread_(logic)

    Logic problems of all natures may be resolved via Ariadne's thread, the maze being but an example. At present, it is most prominently applied to Sudoku puzzles, used to attempt values for as-yet-unsolved cells. The medium of the thread for puzzle-solving can vary widely, from a pencil to numbered chits to a computer program, but all accomplish ...

  4. Mathematics of Sudoku - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_Sudoku

    The analysis of Sudoku is generally divided between analyzing the properties of unsolved puzzles (such as the minimum possible number of given clues) and analyzing the properties of solved puzzles. Initial analysis was largely focused on enumerating solutions, with results first appearing in 2004. [1]

  5. Dancing Links - Wikipedia

    en.wikipedia.org/wiki/Dancing_Links

    Some of the better-known exact cover problems include tiling, the n queens problem, and Sudoku. The name dancing links , which was suggested by Donald Knuth , stems from the way the algorithm works, as iterations of the algorithm cause the links to "dance" with partner links so as to resemble an "exquisitely choreographed dance."

  6. Sudoku graph - Wikipedia

    en.wikipedia.org/wiki/Sudoku_graph

    Each row, column, or block of the Sudoku puzzle forms a clique in the Sudoku graph, whose size equals the number of symbols used to solve the puzzle. A graph coloring of the Sudoku graph using this number of colors (the minimum possible number of colors for this graph) can be interpreted as a solution to the puzzle.

  7. Category:Sudoku - Wikipedia

    en.wikipedia.org/wiki/Category:Sudoku

    Articles relating to Sudoku, the logic-based placement puzzle ... File:Star Burst Leo Chart.JPG; File:Sudoku with nine empty groups 02.JPG; File:SudokuLive2.jpg

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  9. Category:Sudoku solvers - Wikipedia

    en.wikipedia.org/wiki/Category:Sudoku_solvers

    Pages in category "Sudoku solvers" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. A. Australia national sudoku ...