void set_solving(int s) {
if (s == solving) return;
if (s) {
menu->child(0)->label("stop solving");
puzzle_window->cursor(FL_CURSOR_WAIT);
Fl::flush();
if (solvePuzzle()) {solving = 1; changeState(); return;}
}
freeSolutions();
solving = 0;
menu->child(0)->label("solve it for me");
puzzle_window->cursor(FL_CURSOR_DEFAULT);
movingPiece = 0;
changeState();
}
void
toggleSolve(void)
{
if (solving) {
freeSolutions();
solving = 0;
glutChangeToMenuEntry(1, "Solving", 1);
glutSetWindowTitle("glpuzzle");
movingPiece = 0;
} else {
glutChangeToMenuEntry(1, "Stop solving", 1);
glutSetWindowTitle("Solving...");
if (solvePuzzle()) {
solving = 1;
}
}
changeState();
glutPostRedisplay();
}
int main(int argc, char *argv[])
{
FILE *fp = fopen(argv[2], "r");
int height = countLines(fp);
int width = numCharsPerLine(fp);
WBCell **cells = initializeCells(fp, height, width);
fclose(fp);
// printCells(cells, height, width);
FILE *lexiconFilePtr = fopen(LEXICON_FILENAME, "r");
TreeNode *lexTree = buildTreeFromFile(lexiconFilePtr);
fclose(lexiconFilePtr);
solvePuzzle(lexTree, cells, height, width, atoi(argv[1]));
freeCells(cells, height, width);
freeTree(lexTree);
return 0;
}
/* Takes an unsolved sudoku matrix and sovles it */
int solvePuzzle(int twoDimArray[][9], int row, int col)
{
int num;
/* Check if an empty block exits */
if(findEmptyBlock(twoDimArray,row,col)) return 1;
/* not start checking digits 1 - can be placed */
for(num = 1; num <=9; num++)
{
if (safe(twoDimArray,row,col,num))
{
twoDimArray[row][col] = num;
if (solvePuzzle(twoDimArray,row,col)) return 1;
/* reassing and try again */
else twoDimArray[row][col] = EMPTY;
}
}
}
