// Function to Contain Position Validity Checking
bool isPositionValid(int * p, int val, int col, int row)
{
if (isBoxValid(p, val, col, row) && isRowValid(p, val, col, row) && isColValid(p, val, col))
return true;
return false;
}
///
/// \brief PuzzleGame::IsMovementLocallyPossible
/// Verifies the feasibility of a movement
/// \param row
/// \param col
/// \param num
/// \return returns true if a movement is feasible within the board
///
bool PuzzleGame::IsMovementLocallyPossible(int row, int col, int num)
{
if(isHorizontalNeighborGood(row,col,num) && isVerticalNeighborGood(row,col,num))
{
pieces[row][col].setValue(num);
if(isRowValid(row) && isColValid(col))
return true;
setEmptyPiece(row,col);
}
return false;
}
bool solve(vector<vector<char>>& board, int num) {
if (num >= 81) return true;
int row = num / 9;
int col = num % 9;
if (board[row][col] != '.') {
return solve(board, num + 1);
}
else {
for (char i = '1'; i <= '9'; i++) {
if (isRowValid(board, row, i) && isColValid(board, col, i) && isBoardValid(board, row, col, i)) {
board[row][col] = i;
if (solve(board, num + 1) == true)
return true;
}
}
board[row][col] = '.';
}
return false;
}