Sudoku: Difference between revisions
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=={{header|Rascal}}==
[[File:sudoku.jpeg||200px|thumb|right]]
<lang Rascal>public rel[int,int,int] sudoku(rel[int x, int y, int v] sudoku){
annotated= annotateGrid(sudoku);
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}
//adds gridnumber and default set of options
public rel[int,int,int,int,set[int]] annotateGrid(rel[int x, int y, int v] sudoku){
result = {};
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}
//reduces set of options
public rel[int,int,int,int,set[int]] reduceOptions(rel[int x, int y, int v, int g, set[int] p] subSudoku){
solved = {<x,y,v,g,p> | <x,y,v,g,p> <- subSudoku, v!=0};
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}
//a sudoku
public rel[int, int, int] sudokuA =
{
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