public static long ExecuteAmplifierSequence(Intcode.Interpreter intcode, IEnumerable <long> phases)
{
long inputOutput = 0;
foreach (var phase in phases)
{
intcode.SetInput(phase);
inputOutput = intcode.ExecuteProgram_InputOutput(inputOutput);
}
return(inputOutput);
}
public void ExecuteInstruction_InputThenOutput()
{
// Arrange
var program = "3,0,4,0,99";
var intcode = new Intcode.Interpreter(program);
var input = 13;
// Act & Assert
intcode.SetInput(input);
intcode.ExecuteInstruction();
Assert.AreEqual("13,0,4,0,99", intcode.GenerateProgramString());
intcode.ExecuteInstruction();
Assert.AreEqual(input, intcode.GetOutput());
}
// == == == == == Puzzle 2 == == == == ==
public static string Puzzle2(string input)
{
var outCh = Channel.CreateUnbounded <long>();
var ampA = new Intcode.Interpreter(input, inputChannel: outCh);
var ampB = new Intcode.Interpreter(input, inputChannel: ampA.OutputChannel);
var ampC = new Intcode.Interpreter(input, inputChannel: ampB.OutputChannel);
var ampD = new Intcode.Interpreter(input, inputChannel: ampC.OutputChannel);
var ampE = new Intcode.Interpreter(input, inputChannel: ampD.OutputChannel, outputChannel: outCh);
long highestSignal = 0;
foreach (var phaseSettings in phasePermutationsHigh)
{
// Reset and start all amps with new phase input
var tasks = new Task[5]
{
ampA.ExecuteProgram_StartAsync(phaseSettings.ElementAt(0)),
ampB.ExecuteProgram_StartAsync(phaseSettings.ElementAt(1)),
ampC.ExecuteProgram_StartAsync(phaseSettings.ElementAt(2)),
ampD.ExecuteProgram_StartAsync(phaseSettings.ElementAt(3)),
ampE.ExecuteProgram_StartAsync(phaseSettings.ElementAt(4)),
};
// Start feedbackloop
ampA.SetInput(0);
//Wait for all tasks to reach halt
Task.WaitAll(tasks);
// Check if result is largest
var result = ampE.GetOutput();
if (result > highestSignal)
{
highestSignal = result;
}
}
return(highestSignal.ToString());
}