private static long RunAmplifier(long[] computerInput, out List <long> maxOutputCombination)
{
var phaseCombinations = GenerateLists(new List <long>(), new List <long>()
{
0, 1, 2, 3, 4
});
var maxOutput = long.MinValue;
maxOutputCombination = new List <long>();
foreach (var phaseCombination in phaseCombinations)
{
long lastOutput = 0;
foreach (var phase in phaseCombination)
{
var amplifier = new IntComputer((long[])computerInput.Clone());
lastOutput = amplifier.Run(new[] { phase, lastOutput });
}
if (lastOutput > maxOutput)
{
maxOutput = lastOutput;
maxOutputCombination = phaseCombination;
}
}
return(maxOutput);
}
private static long RunFeedbackAmplifier(long[] computerInput, out List <long> maxOutputCombination)
{
var phaseCombinations = GenerateLists(new List <long>(), new List <long>()
{
5, 6, 7, 8, 9
});
var maxOutput = long.MinValue;
maxOutputCombination = new List <long>();
var combinationCounter = 0;
foreach (var phaseCombination in phaseCombinations)
{
Console.WriteLine("Trying combination {0}", combinationCounter++);
var lastAmplifier = new IntComputer(new long[] { 99 });
var firstInput = new IntComputerInput();
var amplifierThreads = new List <Thread>();
foreach (var phase in phaseCombination)
{
var amplifier = new IntComputer((long[])computerInput.Clone());
var input = new IntComputerInput(phase);
if (amplifierThreads.Count == 0)
{
input.AddValue(0);
firstInput = input;
}
else if (amplifierThreads.Count == 4)
{
lastAmplifier.Connector = input;
amplifier.Connector = firstInput;
}
else
{
lastAmplifier.Connector = input;
}
var newRunThread = new Thread(() => amplifier.Run(input));
amplifierThreads.Add(newRunThread);
newRunThread.Start();
lastAmplifier = amplifier;
}
foreach (var thread in amplifierThreads)
{
thread.Join();
}
if (lastAmplifier.GetOutput() > maxOutput)
{
maxOutput = lastAmplifier.GetOutput();
maxOutputCombination = phaseCombination;
}
}
return(maxOutput);
}