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implement sudoku_solve_step

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This commit is contained in:
Quinn
2025-07-29 11:48:16 +02:00
parent 69daa07b63
commit 330c42c4da
1 changed files with 14 additions and 4 deletions
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18
src/sudoku.c
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@@ -26,10 +26,20 @@ void sudoku_place(u16 *board, u16 val, uint idx) {
}
void sudoku_solve_step(u16 *board) {
u16 bmask[SUDOKU_DEPTH_2]; // board mask
memcpy(bmask, board, SUDOKU_DEPTH_2 * 2);
// TODO: first, we must somehow loop through the columns
// TODO: then, we must write to the bmask or do *magic* for the bits designating to 1-9 to be unset if ONLY one of them is set
for (uint i = 0; i < SUDOKU_DEPTH_2; i++) {
switch (board[i]) {
case SUDOKU_1:
case SUDOKU_2:
case SUDOKU_3:
case SUDOKU_4:
case SUDOKU_5:
case SUDOKU_6:
case SUDOKU_7:
case SUDOKU_8:
case SUDOKU_9:
sudoku_place(board, board[i], i);
}
}
}
void sudoku_print(const u16 *board) {