// Assuming this board is the winning one, get the score.
public int GetScore()
{
var currentDrawn = DrawnNumbers.Take(VictoryTurn);
var unmarkedNumbersSum = Matrix.SelectMany(i => i).Where(i => !currentDrawn.Contains(i)).Sum();
return(unmarkedNumbersSum * currentDrawn.Last());
}
private void InitializeVictoryTurn()
{
// Start at 5.
for (int i = 5; i < DrawnNumbers.Count; i++)
{
var currentDrawn = DrawnNumbers.Take(i);
foreach (var line in Lines)
{
if (line.All(x => currentDrawn.Contains(x)))
{
VictoryTurn = i;
return;
}
}
}
}