public static void Main()
{
int[,] b = new int[9, 9] {
{ 1, 2, 3, 4, 5, 6, 7, 8, 9 },
{ 1, 0, 3, 4, 5, 6, 7, 8, 9 },
{ 1, 2, 3, 4, 0, 6, 0, 8, 0 },
{ 1, 2, 3, 4, 0, 6, 0, 8, 0 },
{ 1, 2, 3, 4, 0, 6, 0, 8, 0 },
{ 1, 2, 3, 4, 0, 6, 0, 8, 0 },
{ 1, 2, 3, 4, 0, 6, 0, 8, 0 },
{ 1, 2, 3, 4, 0, 6, 0, 8, 0 },
{ 1, 2, 3, 4, 0, 6, 0, 8, 0 },
};
int[,] c = new int[9, 9] {
{ 9, 2, 8, 1, 6, 7, 5, 4, 3 },
{ 1, 7, 5, 4, 9, 3, 2, 8, 6 },
{ 6, 4, 3, 2, 5, 8, 7, 1, 9 },
{ 8, 9, 6, 3, 2, 5, 4, 7, 1 },
{ 3, 1, 4, 8, 7, 9, 6, 2, 5 },
{ 7, 5, 2, 6, 4, 1, 9, 3, 8 },
{ 2, 3, 9, 5, 8, 4, 1, 6, 7 },
{ 5, 6, 1, 7, 3, 2, 8, 9, 4 },
{ 4, 8, 7, 9, 1, 6, 3, 5, 2 },
};
int[,] c1 = new int[9, 9] {
{ 9, 2, 8, 1, 6, 7, 5, 4, 3 },
{ 1, 0, 5, 4, 9, 3, 2, 8, 6 },
{ 6, 0, 3, 2, 5, 8, 7, 1, 9 },
{ 8, 0, 0, 3, 2, 5, 4, 7, 1 },
{ 3, 1, 4, 8, 7, 9, 6, 2, 5 },
{ 7, 5, 2, 6, 4, 0, 0, 3, 8 },
{ 2, 3, 9, 5, 8, 0, 0, 6, 7 },
{ 5, 6, 1, 7, 3, 2, 8, 9, 4 },
{ 4, 8, 7, 9, 1, 6, 3, 5, 2 },
};
sudokuBoard b1 = new sudokuBoard(c1);
/// rcsInfo r1 = new rcsInfo(b1, 3, rcs.arow);
///r1.printInfo();
b1.printBoard();
sudoku.findEasyDigits(ref b1);
b1.printBoard();
}
///<summary>
///Loops through all rows, colums, and squars.
///Checks for single digits that are missing and can easily fill
///</summary>
public static bool findEasyDigits(ref sudokuBoard board)
{
rcsInfo tempRow;
///Holds info about if a change was made in the entire board
///If so, maybe another easy change can be made if we pass again on the entire board.
bool changeMade = false;
int i, y;
///Once working, change limit to endless,
///And add break inside loop for when no change is made.
for (y = 0; y < 20; y++)
{
changeMade = false;
///Iterate all rows
for (i = 0; i < 9; i++)
{
tempRow = new rcsInfo(board, i + 1, rcs.arow);
///If found one missing digit in eniter row, insert it in specific place.
///Indicated by the index of the first and only zero digit.
if (tempRow.missing_digits.Length == 1)
{
board.board[i, tempRow.index_zeros[0]] = tempRow.missing_digits[0];
Console.WriteLine("placed easy digit in board, in row search, in index {0}", i);
changeMade = true;
board.printBoard();
}
} ///End of row for loop
///Iterate all colom
for (i = 0; i < 9; i++)
{
tempRow = new rcsInfo(board, i + 1, rcs.acolom);
///If found one missing digit in eniter colom, insert it in specific place.
///Indicated by the index of the first and only zero digit.
if (tempRow.missing_digits.Length == 1)
{
board.board[tempRow.index_zeros[0], i] = tempRow.missing_digits[0];
Console.WriteLine("placed easy digit in board, in colom search, in index {0}", i);
changeMade = true;
board.printBoard();
}
} ///End of colom for loop
Console.WriteLine("got to square checking");
///Iterate all squares
for (i = 0; i < 9; i++)
{
tempRow = new rcsInfo(board, i + 1, rcs.asquare);
Console.WriteLine("printing info about row(square)");
tempRow.printInfo();
///If found one missing digit in eniter square, insert it in specific place.
///Indicated by the index of the first and only zero digit.
if (tempRow.missing_digits.Length == 1)
{
board.board[i, tempRow.index_zeros[0]] = tempRow.missing_digits[0];
Console.WriteLine("placed easy digit in board, in square search, in index {0}", i);
changeMade = true;
board.printBoard();
}
} ///End of square for loop
if (!changeMade)
{
Console.WriteLine("no change made, breaking");
break;
}
} ///End of main for loop, containins row loop, colom loop, and square loop
return(false);
}