static void Main(string[] args)
{
Console.WriteLine("Day 7");
Console.WriteLine("Star 1");
Console.WriteLine();
string[] lines = File.ReadAllLines(inputFile);
HashSet <WireValue> operations = new HashSet <WireValue>();
foreach (string line in lines)
{
int arrowIndex = line.IndexOf("->");
string outputName = line.Substring(arrowIndex + 3);
WireValue input = null;
string[] splitInput = line.Substring(0, arrowIndex - 1).Split(' ');
if (splitInput.Length == 1)
{
//123 -> Y
//X -> Y
input = GetInput(splitInput[0]);
}
else if (splitInput.Length == 2)
{
//NOT X -> Y
if (splitInput[0] != "NOT")
{
throw new Exception();
}
input = new NotOperation(GetInput(splitInput[1]));
}
else if (splitInput[1] == "AND")
{
input = new AndOperation(GetInput(splitInput[0]), GetInput(splitInput[2]));
}
else if (splitInput[1] == "OR")
{
input = new OrOperation(GetInput(splitInput[0]), GetInput(splitInput[2]));
}
else if (splitInput[1] == "RSHIFT")
{
input = new RShiftOperation(GetInput(splitInput[0]), int.Parse(splitInput[2]));
}
else if (splitInput[1] == "LSHIFT")
{
input = new LShiftOperation(GetInput(splitInput[0]), int.Parse(splitInput[2]));
}
else
{
throw new Exception();
}
SafeGetWire(outputName).input = input;
operations.Add(input);
}
Wire wireA = SafeGetWire("a");
int output1 = wireA.GetValue();
Console.WriteLine($"The answer is: {output1}");
Console.WriteLine();
Console.WriteLine("Star 2");
Console.WriteLine();
//Reset cached values
foreach (WireValue wireValue in wires.Values)
{
wireValue.Reset();
}
foreach (WireValue wireValue in operations)
{
wireValue.Reset();
}
wires["b"].input = new FixedWireValue(output1);
Console.WriteLine($"The answer is: {wireA.GetValue()}");
Console.WriteLine();
Console.ReadKey();
}
private static IHasValue ParseElementaryElementAndAddToNetwork(LogicNetwork logicNetwork,
string sourceElementaryStr)
{
IHasValue source;
ConstantValue constantValue;
if (!ConstantValue.TryParse(sourceElementaryStr, out constantValue))
{
var sourceWireName = sourceElementaryStr;
var wire = logicNetwork.GetByName(sourceWireName);
if (wire == null)
{
wire = new Wire(sourceWireName);
logicNetwork.Elements.Add(wire);
}
source = wire;
}
else
{
logicNetwork.Elements.Add(constantValue);
source = constantValue;
}
return source;
}