//zainicjalizowanie planszy sudoku
public board()
{
tab = new field[N, N];
for (int i = 0; i < N; i++)
{
for (int j = 0; j < N; j++)
{
tab[i, j] = new field();
}
}
saved = false;
solutions = new List<field[,]>();
}
field[,] CopyField(field[,] table)
{
field[,] tmp = new field[N, N];
for (int i = 0; i < N; i++)
{
for (int j = 0; j < N; j++)
{
tmp[i, j] = new field();
tmp[i, j].value = table[i, j].value;
tmp[i, j].visibility = table[i, j].visibility;
foreach (int value in table[i,j].value_tmp)
tmp[i, j].value_tmp.Add(value);
}
}
return tmp;
}