public void Test_SolveBoard_Solved()
{
int[,] array = new int[9, 9]
{
{ 0, 0, 9, 0, 0, 0, 0, 0, 0, },
{ 3, 0, 4, 0, 8, 1, 0, 2, 0, },
{ 0, 8, 6, 5, 0, 0, 0, 0, 0, },
{ 9, 0, 1, 3, 0, 0, 0, 0, 2, },
{ 0, 0, 0, 0, 4, 0, 0, 0, 0, },
{ 6, 0, 0, 0, 0, 2, 4, 0, 1 },
{ 0, 0, 0, 0, 0, 3, 2, 6, 0 },
{ 0, 3, 0, 4, 1, 0, 5, 0, 8 },
{ 0, 0, 0, 0, 0, 0, 1, 0, 0, },
};
SudokoBoard board = SudokoBoard.CreateBoard(array);
ISudokoSolver solver = new SudokoSolver(board);
solver.SolveBoard();
board = solver.GetBoard();
bool isSolved = SudokuHelper.IsBoardSolved(board);
Assert.IsTrue(isSolved);
}
public void Test_GetBoxValues()
{
int[,] array = new int[9, 9]
{
{ 0, 0, 9, 0, 0, 0, 0, 0, 0, },
{ 3, 0, 4, 0, 8, 1, 0, 2, 0, },
{ 0, 8, 6, 5, 0, 0, 0, 0, 0, },
{ 9, 0, 1, 3, 0, 0, 0, 0, 2, },
{ 0, 0, 0, 0, 4, 0, 0, 0, 0, },
{ 6, 0, 0, 0, 0, 2, 4, 0, 1 },
{ 0, 0, 0, 0, 0, 3, 2, 6, 0 },
{ 0, 3, 0, 4, 1, 0, 5, 0, 8 },
{ 0, 0, 0, 0, 0, 0, 1, 0, 0, },
};
SudokoBoard board = SudokoBoard.CreateBoard(array);
// 3 0 0
// 0 4 4
// 0 0 2
List <int> box5 = board.GetBoxValues(3, 3);
List <int> box5Expected = new List <int> {
3, 0, 0, 0, 4, 0, 0, 0, 2
};
var differnce = box5.Except(box5Expected).ToList();
Assert.IsTrue(differnce.Count == 0);
}
public static void PrintColumns(SudokoBoard pBoard)
{
foreach (List <int> t in pBoard.Columns)
{
foreach (var x in t)
{
Console.Write(x + " ");
}
Console.WriteLine();
}
Console.WriteLine("******* ** ******* ** ******* ** *******");
Console.WriteLine();
}
public static void PrintPossibleValues(SudokoBoard pBoard, bool showCellValues)
{
for (int i = 0; i < 9; i++)
{
for (int j = 0; j < 9; j++)
{
if (pBoard.SudoArray[i, j].CellValue == 0)
{
Console.Write(pBoard.SudoArray[i, j].PossibleValues.ToCSV() + "\t ");
}
else
{
Console.Write(showCellValues ? (pBoard.SudoArray[i, j].CellValue + "\t ") : "\t ");
}
}
Console.WriteLine();
Console.WriteLine();
}
}
public void Test_IsBoardValid_Invalid()
{
int[,] array = new int[9, 9]
{
{ 5, 1, 1, 2, 3, 7, 8, 4, 6 },
{ 5, 7, 4, 6, 8, 1, 9, 2, 5 },
{ 2, 8, 6, 5, 9, 4, 3, 1, 7 },
{ 9, 4, 1, 3, 6, 8, 7, 5, 2 },
{ 8, 2, 7, 1, 4, 5, 6, 3, 9 },
{ 6, 5, 3, 9, 7, 2, 4, 8, 1 },
{ 1, 9, 8, 7, 5, 3, 2, 6, 4 },
{ 7, 3, 2, 4, 1, 6, 5, 9, 8 },
{ 4, 6, 5, 8, 2, 9, 1, 7, 3 }
};
SudokoBoard board = SudokoBoard.CreateBoard(array);
bool isSolved = SudokuHelper.IsBoardValid(board);
Assert.IsFalse(isSolved);
}
public static void PrintBoard(SudokoBoard pBoard)
{
// print board
for (int i = 0; i < 9; i++)
{
for (int j = 0; j < 9; j++)
{
if (pBoard.SudoArray[i, j].CellValue == 0)
{
Console.Write("_" + " ");
}
else
{
Console.Write(pBoard.SudoArray[i, j].CellValue + " ");
}
}
Console.WriteLine();
Console.WriteLine();
}
Console.WriteLine();
}
static void Main(string[] args)
{
//int[,] array = new int[9, 9]
//{
// {6, 5, 0, 0, 0, 0, 0, 9, 7},
// {0, 0, 4, 0, 2, 0, 0, 0, 0},
// {0, 0, 0, 6, 5, 7, 4, 0, 0},
// {0, 9, 0, 8, 0, 0, 0, 2, 3},
// {0, 0, 6, 3, 0, 9, 1, 0, 0},
// {3, 1, 0, 0, 0, 2, 0, 7, 0},
// {0, 0, 3, 2, 8, 4, 0, 0, 0},
// {0, 0, 0, 0, 9, 0, 8, 0, 0},
// {9, 8, 0, 0, 0, 0, 0, 4, 1},
//};
int[,] array = new int[9, 9]
{
{ 0, 0, 9, 0, 0, 0, 0, 0, 0, },
{ 3, 0, 4, 0, 8, 1, 0, 2, 0, },
{ 0, 8, 6, 5, 0, 0, 0, 0, 0, },
{ 9, 0, 1, 3, 0, 0, 0, 0, 2, },
{ 0, 0, 0, 0, 4, 0, 0, 0, 0, },
{ 6, 0, 0, 0, 0, 2, 4, 0, 1 },
{ 0, 0, 0, 0, 0, 3, 2, 6, 0 },
{ 0, 3, 0, 4, 1, 0, 5, 0, 8 },
{ 0, 0, 0, 0, 0, 0, 1, 0, 0, },
};
SudokoBoard board = SudokoBoard.CreateBoard(array);
Console.WriteLine(" ************ Before solution ************ ");
Console.WriteLine();
PrintBoard(board);
//PrintRows(board);
//PrintColumns(board);
if (SudokuHelper.IsBoardValid(board))
{
ISudokoSolver solver = new SudokoSolver(board);
solver.SolveBoard();
board = solver.GetBoard();
Console.WriteLine();
Console.WriteLine(" ************ After solution ************ ");
Console.WriteLine();
PrintBoard(board);
//board.PrintPossibleValues(false);
Console.WriteLine();
}
else
{
//throw new InvalidOperationException("The sudoku board has some invalid cells");
Console.WriteLine("Error: The sudoku board has some invalid cells");
}
List <int> lstA = new List <int> {
1, 2, 3, 4,
};
List <int> lstB = new List <int> {
4, 3, 2, 1,
};
var dups = lstA.Intersect(lstB).ToList();
var distinct = lstA.Except(lstB).ToList();
Console.Read();
}
