private SingleTree ComputerPlaysToWin(SingleTree nodeToPlay)
{
SingleTree winnerNode = null;
foreach (var child in nodeToPlay.GetChilds().Values)
{
if (!child.NodeWithoutChilds())
{
winnerNode = child;
foreach (var grandParent in child.GetChilds().Values)
{
if (!(ComputerPlaysToWin(grandParent) != null || grandParent.NodeWithoutChilds()))
{
winnerNode = null;
break;
}
}
if (winnerNode != null)
{
break;
}
}
}
return(winnerNode);
}
private SingleTree ComputerPlaysToGetLongestWord(SingleTree nodeToPlay)
{
SingleTree winnerNode = null;
foreach (var child in nodeToPlay.GetChilds().Values)
{
if ((winnerNode == null) || child.MaximumLength() > winnerNode.MaximumLength())
{
winnerNode = child;
}
}
return(winnerNode);
}