AIMA.Core.Environment.NQueens.NQueensBoard.getNumberOfQueensOnBoard C# (CSharp) Method

        public int getNumberOfQueensOnBoard()
        {
            int count = 0;
            for (int i = 0; i < size; i++)
            {
                for (int j = 0; j < size; j++)
                {
                    if (squares[i][j] == 1)
                        count++;
                }
            }
            return count;
        }

        public bool isGoalState(Object state)
        {
            NQueensBoard board = (NQueensBoard)state;

            return(board.getNumberOfQueensOnBoard() == board.getSize() &&
                   board.getNumberOfAttackingPairs() == 0);
        }