static void Main(string[] args)
{
var Data =
//("800000000" +
// "003600000" +
// "070090200" +
// "050007000" +
// "000045700" +
// "000100030" +
// "001000068" +
// "008500010" +
// "090000400")
("300120000" +
"000007000" +
"000000700" +
"500000309" +
"006004800" +
"000810250" +
"402070005" +
"600900000" +
"010000080")
.Select((c) => Cell.CreateCell(c)).ToList();
var vLines = Data
.Select((c, i) => new { Char = c, Index = i })
.GroupBy((ci) => ci.Index / 9, (ci) => ci.Char)
.Select((g) => CellsGroup.FromIGrouping(g)).ToList();
var hLines = Data
.Select((c, i) => new { Char = c, Index = i })
.GroupBy((ci) => ci.Index % 9, (ci) => ci.Char)
.Select((g) => CellsGroup.FromIGrouping(g)).ToList();
var squares = Data
.Select((c, i) => new { Char = c, Index = i })
.GroupBy((ci) => (ci.Index / 9 / 3 * 3) + (ci.Index % 9 / 3), (ci) => ci.Char)
.Select((g) => CellsGroup.FromIGrouping(g)).ToList();
var allGroups = vLines.Concat(hLines).Concat(squares);
Console.WriteLine("Possible commands: exit, print, iter, solve");
while (true)
{
var input = Console.ReadLine();
if (input == "exit")
{
break;
}
else if (input == "print")
{
for (int k = 0; k < 3; k++)
{
for (int e = 0; e < 3; e++)
{
for (int r = 0; r < 3; r++)
{
for (int i = 0; i < 9; i++)
{
for (int j = 1; j < 4; j++)
{
Cell cell = Data[i + e * 9 + k * 27];
if (cell.IsDefinite())
{
Console.Write(cell.Value);
}
else
{
byte val = (byte)(j + r * 3);
Console.Write(cell.PossibleValues.Contains(val) ? val.ToString() : " ");
}
Console.Write(" ");
}
Console.Write(" ");
}
Console.WriteLine();
}
Console.WriteLine();
}
}
}
else if (input == "iter")
{
foreach (var group in allGroups)
{
group.MakeExceptions();
}
}
else if (input == "solve")
{
while (allGroups.Any((g) => g.MakeExceptions()))
{
;
}
}
}
}