From b47a999dee9ee7a0d2e7b0c4d1cf25282abfa71a Mon Sep 17 00:00:00 2001 From: David Phillips Date: Sun, 10 Mar 2019 21:22:23 +1300 Subject: Clean-up --- cell.h | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'cell.h') diff --git a/cell.h b/cell.h index 76ecd90..fc5f467 100644 --- a/cell.h +++ b/cell.h @@ -1,7 +1,16 @@ +#ifndef SUDOKU_CELL_H +#define SUDOKU_CELL_H + +/* Description of a single cell on a sudoku board */ struct cell { + /* Sovled value of this cell */ char val; - char not[9]; -} cell; + /* Array used to determine which values this cell can NOT be. + * A non-zero value at index N indicates that this cell cannot have the + * value N + 1 */ + char not[9]; +}; +#endif /* SUDOKU_CELL_H */ -- cgit v1.1