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Diffstat (limited to 'test/sudoku.cxx')
| -rw-r--r-- | test/sudoku.cxx | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/sudoku.cxx b/test/sudoku.cxx index 822508b7f..629dba3fb 100644 --- a/test/sudoku.cxx +++ b/test/sudoku.cxx @@ -15,6 +15,18 @@ // https://www.fltk.org/bugs.php // +// A Sudoku (i.e. the puzzle) is a partially completed grid. A grid has 9 rows, +// 9 columns and 9 boxes, each having 9 cells (81 total). Boxes can also be +// called blocks or regions.[1] Three horizontally adjacent blocks are a band, +// and three vertically adjacent blocks are a stack.[2] The initially defined +// values are clues or givens. An ordinary Sudoku (i.e. a proper Sudoku) has +// one solution. Rows, columns and regions can be collectively referred to as +// groups, of which the grid has 27. The One Rule encapsulates the three prime +// rules, i.e. each digit (or number) can occur only once in each row, column, +// and box; and can be compactly stated as: "Each digit appears once in each +// group." +// - wikipedia.org + #include "sudoku.h" #include "sudoku_cell.h" #include "sudoku_sound.h" |