private static bool ReSudoku(Board b)
{
bool isFree = false;
int row = -1;
int col = -1;
int[,] board = b.board;
for (int i = 0; i < len; i++)
{
for (int j = 0; j < len; j++)
{
if (board[i, j] == 0)
{
row = i;
col = j;
isFree = true;
break;
}
}
if (isFree)
{
break;
}
}
if (!isFree)
{
c++;
Console.WriteLine(c + "-");
Console.WriteLine(b);
return(true);
}
bool chk = false;
for (int num = 1; num <= len; num++)
{
if (IsLegal(row, col, num, b))
{
board[row, col] = num;
#if false
wait++;
if (wait <= 50)
{
Console.WriteLine(wait);
b.Pointer(col, row);
Thread.Sleep(10);
Console.Clear();
}
if (wait == 100000)
{
wait = 0;
}
#endif
chk = ReSudoku(b) || chk;
b.board[row, col] = 0;
}
}
return(chk);
}
private static Board Editor(Board b = null)
{
if (b != null)
{
b = ValidBorad(b);
}
bool chk1 = false;
bool chk2 = false;
int input = -1;
int left = 0;
int top = 0;
int size = len;
bool stop = true;
while (stop)
{
Console.Clear();
Console.WriteLine("\n\rPress 'ESC' to stop");
Console.WriteLine("\rPress 'Enter' to edit\n");
b.Pointer(left, top);
if (chk2)
{
b.SaveBoard();
chk2 = false;
}
if (chk1)
{
chk1 = false;
input = -1;
Console.WriteLine("Illegal Move");
}
ConsoleKeyInfo keyInfo = Console.ReadKey(true);
switch (keyInfo.Key)
{
case (ConsoleKey.DownArrow):
if (top < size - 1)
{
top++;
}
break;
case (ConsoleKey.UpArrow):
if (top > 0)
{
top--;
}
break;
case (ConsoleKey.RightArrow):
if (left < size - 1)
{
left++;
}
break;
case (ConsoleKey.LeftArrow):
if (left > 0)
{
left--;
}
break;
case (ConsoleKey.Escape):
stop = false;
break;
case (ConsoleKey.S):
chk2 = true;
break;
case (ConsoleKey.Enter):
while (input <= -1 || input > len)
{
Console.WriteLine("Enter a number");
Console.Write("Input: ");
input = int.Parse(Console.ReadLine());
}
if (input == 0 || IsLegal(top, left, input, b))
{
b.board[top, left] = input;
input = -1;
}
else
{
chk1 = true;
}
break;
default:
if (char.IsNumber(keyInfo.KeyChar))
{
int num = int.Parse(keyInfo.KeyChar.ToString());
Console.WriteLine(num);
if (num == 0 || IsLegal(top, left, num, b) && num > 0 && num <= len)
{
b.board[top, left] = num;
}
}
break;
}
}
return(b);
}
