Wolfram Language Paclet Repository
Community-contributed installable additions to the Wolfram Language
FredSimons`SudokuHints`
ExtendSudoku |
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Details and Options
Examples
(2)
Basic Examples
(2)
This gives a standard sudoku with at most 28 clues that can be solved with the rules Single, HiddenSingle and CandidateSet:
In[1]:=
sud=
[],28,{"Single","HiddenSingle","CandidateSet"},
False
[sud]
 | ExtendSudoku |
| Sudoku |
| ShowCandidates |
| SudokuInfo |
Out[1]=
Contents cannot be rendered at this time; please try again later or download this notebook for full functionality »
Out[2]=
Solutions1,Clues28,Singles14,HiddenSingles4
In the following way we construct a sudoku that cannot be solved with the rules Single and HiddenSingle alone:
In[1]:=
rules={"Singles","HiddenSingles","BackTracking"};Whilesud=
[],29,rules;info=
[sud,rules];Not@KeyExistsQ[info,"BackTracking"];sudinfo
| ExtendSudoku |
| Sudoku |
| SudokuInfo |
::steps
Out[1]=
Contents cannot be rendered at this time; please try again later or download this notebook for full functionality »
Out[1]=
Solutions1,Clues29,Singles7,HiddenSingles1,BackTracking1
Of course, this does not mean that backtrackig is really needed:
In[2]:=
| SudokuInfo |
| $AllRules |
Out[2]=
Solutions1,Clues29,Singles12,HiddenSingles3,CandidateSets1,HiddenPairs1,ThreeGroups1
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""