Jul 25, 2013 Not all Sudokus can be solved heuristically. Surely if this algorithm had to guess something it would panic.
- Freeware Sudoku generator has 3 levels of difficulties. You may print created Sudoku grid or play on computer screen. Free Sudoku generator has 3 levels of difficulties. You may print created Sudoku grid or play on computer screen.
- sudoku.zip
- Alex Ermolaev
- Freeware (Free)
- 248 Kb
- Windows2000, WinXP, Windows2003, Windows Vista, Windows 7, Windows 8
- Medium Spring Sudoku steps up the sudoku challenge at Spring Sudoku.com. Medium Spring Sudoku is the ultimate strategy game for mid level sudoku players. While Medium Sudoku can still be solved using logic.
- medium_sudoku.exe
- Spring Sudoku
- Freeware (Free)
- 9.66 Mb
- WinXP, WinVista, WinVista x64, Win7 x32, Win7 x64, Win2000, WinOther, Other, Mac OS X, Mac Other, Windows2000, Windows2003, WinServer, Windows Vista, WinMobile, Windows CE, Pocket PC, Android, BlackBerry, iPhone, iPod, iTouch, Palm, Palm OS 6.0, Not Applicable, Win98, WinME, WinNT 3.x, WinNT 4.x, Win95, Unix, Linux, Handheld, Mobile Other, Java, Win 3.1x, Windows Tablet PC Edition 2005, Windows Media Center Edition 2005, Windows Mobile 2003, Windows Mobile 2005, Linux Console, Linux Gnome, Linux GPL, Linux Open Source, MS-DOS, AS, 400, OS, 2, OS, 2 Warp, OS, 2 Warp 4, Mac PPC, Mac OS X 10.5, Mac OS X 10.4, Mac OS X 10.3, Mac OS X 10.2, Mac OS X 10.1, Mac OS 9, MAC 68k, Palm OS 5.0, Palm OS 4.0, Palm OS 3.2, Palm OS 3.1, Palm OS 3.0, Palm OS 2.1, Palm OS 2.0, Palm OS 1.0, RIM, Symbian, OpenVMS, Netware, BEOS, Mac OS X 10.6, Mac OS X 10.7, Mac OS X 10.8, Windows 8, Windows Phone 7, Windows Phone 8, Windows RT, Windows Server 2012, iOS
- If you like your Easter Roast prepared Medium, you will love your Easter Sudoku prepared Medium! Medium Easter Sudoku is the perfect amount of sudoku challenge for mid level sudoku aficionados. Medium Easter Sudoku is also ideal for sudoku experts.
- medium_sudoku.exe
- Easter Sudoku
- Freeware (Free)
- 9.67 Mb
- WinXP, WinVista, WinVista x64, Win7 x32, Win7 x64, Win2000, WinOther, Other, Mac OS X, Mac Other, Windows2000, Windows2003, WinServer, Windows Vista, WinMobile, Windows CE, Pocket PC, Android, BlackBerry, iPhone, iPod, iTouch, Palm, Palm OS 6.0, Not Applicable, Win98, WinME, WinNT 3.x, WinNT 4.x, Win95, Unix, Linux, Handheld, Mobile Other, Java, Win 3.1x, Windows Tablet PC Edition 2005, Windows Media Center Edition 2005, Windows Mobile 2003, Windows Mobile 2005, Linux Console, Linux Gnome, Linux GPL, Linux Open Source, MS-DOS, AS, 400
- How fast can you find those plastic eggs? How fast can you play Expert Easter Sudoku? We are betting pretty quickly if you are a good enough sudoku player to try your hand at Expert Easter Sudoku! Expert Easter Sudoku is for the best sudoku players!
- expert_sudoku.exe
- Easter Sudoku
- Freeware (Free)
- 9.67 Mb
- WinXP, WinVista, WinVista x64, Win7 x32, Win7 x64, Win2000, WinOther, Other, Mac OS X, Mac Other, Windows2000, Windows2003, WinServer, Windows Vista, WinMobile, Windows CE, Pocket PC, Android, BlackBerry, iPhone, iPod, iTouch, Palm, Palm OS 6.0, Not Applicable, Win98, WinME, WinNT 3.x, WinNT 4.x, Win95, Unix, Linux, Handheld, Mobile Other, Java, Win 3.1x, Windows Tablet PC Edition 2005, Windows Media Center Edition 2005, Windows Mobile 2003, Windows Mobile 2005, Linux Console, Linux Gnome, Linux GPL, Linux Open Source, MS-DOS, AS, 400
- 100 printable hard samurai sudoku puzzles. ...
- hard.zip
- Samuraisudoku.org
- Freeware (Free)
- 388 Kb
- Win95, Win98, WinME, WinNT 3.x, WinNT 4.x, WinXP, Windows2000, Windows2003, Windows Media Center Edition 200
- 100 printable easy samurai sudoku puzzles.Samurai sudoku consist of five overlapping sudoku grids. The standard sudoku rules apply to each 9 x 9 grid.
- easy.pdf
- Samuraisudoku.org
- Freeware (Free)
- 729 Kb
- Win95, Win98, WinME, WinNT 3.x, WinNT 4.x, WinXP, Windows2000, Windows2003, Windows Media Center Edition 200
- 100 printable expert samurai sudoku puzzles. ...
- expert.pdf
- Samuraisudoku.org
- Freeware (Free)
- 741 Kb
- Win95, Win98, WinME, WinNT 3.x, WinNT 4.x, WinXP, Windows2000, Windows2003, Windows Media Center Edition 200
- 100 printable standard samurai sudoku puzzles.Samurai sudoku consist of five overlapping sudoku grids. The standard sudoku rules apply to each 9 x 9 grid.
- standard.zip
- Samuraisudoku.org
- Freeware (Free)
- 384 Kb
- Win95, Win98, WinME, WinNT 3.x, WinNT 4.x, WinXP, Windows2000, Windows2003, Windows Media Center Edition 200
- Sudoku Up - Millions of Different Sudoku Puzzles! Sudoku Up is a high-quality collection of Sudoku Puzzles.Sudoku Up Solitaire includes millions and millions of different puzzles to keep you entertained for years to come.
- sudokuup2012_v60_setup.exe
- TreeCardGames.com
- Shareware ($15.95)
- 16.84 Mb
- WinXP, Win Vista, Windows 7, Windows 7 x64
- Sudoku.gs is a flash sudoku puzzle with pencil mark and other features. Please visit also www.sudoku-ball.com. ...
- Sudoku Flash
- Mobile Excellence B.V. &Lensoft Int'l Ltd.
- Freeware (Free)
- 36 Kb
- WinNT 4.x, WinXP, Windows2000, Windows2003, Windows Vista
- The bees are buzzing and the flowers are growing. Spring is here and so is Spring Sudoku! Take a break from the spring cleaning and have some fun down time with Spring Sudoku. There are hundreds of games of every level of sudoku to play.
- easy_sudoku.exe
- Spring Sudoku
- Freeware (Free)
- 9.67 Mb
- WinXP, WinVista, WinVista x64, Win7 x32, Win7 x64, Win2000, WinOther, Other, Mac OS X, Mac Other, Windows2000, Windows2003, WinServer, Windows Vista, WinMobile, Windows CE, Pocket PC, Android, BlackBerry, iPhone, iPod, iTouch, Palm, Palm OS 6.0, Not Applicable, Win98, WinME, WinNT 3.x, WinNT 4.x, Win95, Unix, Linux, Handheld, Mobile Other, Java, Win 3.1x, Windows Tablet PC Edition 2005, Windows Media Center Edition 2005, Windows Mobile 2003, Windows Mobile 2005, Linux Console, Linux Gnome, Linux GPL, Linux Open Source, MS-DOS, AS, 400, OS, 2, OS, 2 Warp, OS, 2 Warp 4, Mac PPC, Mac OS X 10.5, Mac OS X 10.4, Mac OS X 10.3, Mac OS X 10.2, Mac OS X 10.1, Mac OS 9, MAC 68k, Palm OS 5.0, Palm OS 4.0, Palm OS 3.2, Palm OS 3.1, Palm OS 3.0, Palm OS 2.1, Palm OS 2.0, Palm OS 1.0, RIM, Symbian, OpenVMS, Netware, BEOS, Mac OS X 10.6, Mac OS X 10.7, Mac OS X 10.8, Windows 8, Windows Phone 7, Windows Phone 8, Windows RT, Windows Server 2012, iOS
- Java version of the popular Sudoku logic game. Intends to provide an advanced user interface. Create random sudoku grids or design your own to play/solve. Can be used as sudoku generator, solver. Export sudoku grids as PDF, RTF, HTML, XML and. ...
- StarSUDOKU-0.65b.jar
- starsudoku
- Freeware (Free)
- 184 Kb
- Windows; Mac; Linux
Sudoku Code In Java Free Download Free
Related:Code Sudoku - Code For Sudoku Champion - Delphi Sudoku Code - Sudoku Source Code - Sudoku Generator CodePages : <1 | 2 | 3
Sudoku.java
/** |
* http://www.geeksforgeeks.org/backtracking-set-7-suduku/ |
*/ |
publicclassSudoku { |
publicstaticvoidmain(Stringargs[]) { |
newSudoku(newint[][] { |
{3, 0, 6, 5, 0, 8, 4, 0, 0}, |
{5, 2, 0, 0, 0, 0, 0, 0, 0}, |
{0, 8, 7, 0, 0, 0, 0, 3, 1}, |
{0, 0, 3, 0, 1, 0, 0, 8, 0}, |
{9, 0, 0, 8, 6, 3, 0, 0, 5}, |
{0, 5, 0, 0, 9, 0, 6, 0, 0}, |
{1, 3, 0, 0, 0, 0, 2, 5, 0}, |
{0, 0, 0, 0, 0, 0, 0, 7, 4}, |
{0, 0, 5, 2, 0, 6, 3, 0, 0} |
}).solve(); |
} |
privateint sudoku[][]; |
privateint n =9; |
publicSudoku(intsudoku[][]) { |
this.sudoku = sudoku; |
} |
publicvoidsolve() { |
if (!backtrackSolve()) { |
System.out.println('This sudoku can't be solved.'); |
} |
for (int i =0; i < n; i++) { |
for (int j =0; j < n; j++) { |
System.out.print(sudoku[i][j] +''); |
} |
System.out.println(); |
} |
} |
publicbooleanisSuitableToPutXThere(inti, intj, intx) { |
// Is 'x' used in row. |
for (int jj =0; jj < n; jj++) { |
if (sudoku[i][jj] x) { |
returnfalse; |
} |
} |
// Is 'x' used in column. |
for (int ii =0; ii < n; ii++) { |
if (sudoku[ii][j] x) { |
returnfalse; |
} |
} |
// Is 'x' used in sudoku 3x3 box. |
int boxRow = i - i %3; |
int boxColumn = j - j %3; |
for (int ii =0; ii <3; ii++) { |
for (int jj =0; jj <3; jj++) { |
if (sudoku[boxRow + ii][boxColumn + jj] x) { |
returnfalse; |
} |
} |
} |
// Everything looks good. |
returntrue; |
} |
publicbooleanbacktrackSolve() { |
int i =0, j =0; |
boolean isThereEmptyCell =false; |
for (int ii =0; ii < n &&!isThereEmptyCell; ii++) { |
for (int jj =0; jj < n &&!isThereEmptyCell; jj++) { |
if (sudoku[ii][jj] 0) { |
isThereEmptyCell =true; |
i = ii; |
j = jj; |
} |
} |
} |
// We've done here. |
if (!isThereEmptyCell) { |
returntrue; |
} |
for (int x =1; x <10; x++) { |
if (isSuitableToPutXThere(i, j, x)) { |
sudoku[i][j] = x; |
if (backtrackSolve()) { |
returntrue; |
} |
sudoku[i][j] =0; // We've failed. |
} |
} |
returnfalse; // Backtracking |
} |
} |
commented Mar 18, 2018
Not all Sudokus can be solved heuristically. Surely if this algorithm had to guess something it would panic |
commented Sep 3, 2019
Thank you! The logic to limit the box size has really helped me. |
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