private static void RunPart1()
{
long highest = 0;
var phaseSettingOptions = GetFirstPhaseSettingOptions();
foreach (var settingOption in phaseSettingOptions)
{
var nextInput = 0L;
foreach (var p in Enumerable.Range(0, 5))
{
var input = new List <long> {
settingOption[p], nextInput
};
var machine = new IntcodeMachine(GetInput(), input);
machine.GetStateAfterRun(out List <long> output, out bool paused);
nextInput = output[0];
}
if (nextInput > highest)
{
highest = nextInput;
}
}
Console.WriteLine("Part 1 highest value: " + highest);
}
public static void Run()
{
try
{
var nouns = Enumerable.Range(0, 100);
var verbs = Enumerable.Range(0, 100);
foreach (int noun in nouns)
{
foreach (int verb in verbs)
{
var machine = new IntcodeMachine(new List <long>(GetNumbers()));
machine.Modify(1, noun);
machine.Modify(2, verb);
var stateAfterRun = machine.GetStateAfterRun(out List <long> output, out bool paused);
if (stateAfterRun[0] == 19690720)
{
throw new Exception($"Found it! Noun: {noun}, Verb: {verb}");
}
}
}
Console.WriteLine("Finished writing program.");
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
public void IntcodeProgramTest(string intcodeProgram, string expectedResultProgram)
{
IntcodeMachine machine = new IntcodeMachine(intcodeProgram);
machine.Execute();
Assert.AreEqual(expectedResultProgram, machine.GetIntcodeProgram());
}
public static void Run()
{
var input = new List <long>(GetInput());
var range = Enumerable.Repeat(0, 1000000).Select(x => (long)x).ToList();
input.AddRange(range); // 😬
var machine = new IntcodeMachine(input, new List <long> {
2
});
machine.GetStateAfterRun(out List <long> output, out bool paused);
output.ForEach(x => Console.WriteLine(x));
}
static void day9()
{
long[] inputs = getInputs("./day9/input.txt")[0].Split(',').Select(x => long.Parse(x)).ToArray();
IntcodeMachine machine = new IntcodeMachine(inputs);
machine.input.Enqueue(1);
machine.runToEnd();
machine.printOutput(); // Part 1. Answer: 2171728567
machine = new IntcodeMachine(inputs);
machine.input.Enqueue(2);
machine.runToEnd();
machine.printOutput(); // Part2. Answer: 49815
}
static void day5()
{
long[] inputs = getInputs("./day5/input.txt")[0].Split(',').Select(x => long.Parse(x)).ToArray();
IntcodeMachine machine = new IntcodeMachine(inputs);
machine.input.Enqueue(1);
machine.runToEnd();
machine.printOutput(); // Part 1. Answer: 7988899
machine = new IntcodeMachine(inputs);
machine.input.Enqueue(5);
machine.runToEnd();
machine.printOutput(); // Part 2. Answer: 13758663
}
public static void Run()
{
var programInput = new List <long>(GetInput());
var machine = new IntcodeMachine(programInput, input: new List <long> {
1
});
machine.GetStateAfterRun(out List <long> output1, out bool paused1);
Console.WriteLine("Part 1: " + output1.Last());
programInput = new List <long>(GetInput());
machine = new IntcodeMachine(programInput, input: new List <long> {
5
});
machine.GetStateAfterRun(out List <long> output2, out bool paused2);
Console.WriteLine("Part 2: " + output2.Last());
}
public override string Run()
{
var input = Tools.GetFileContents("dec5");
var inputArray = IntcodeMachine.GetInputArray(input);
var shifter = new IntcodeMachine(inputArray);
shifter.QueueInput(1);
var result = shifter.ExecuteProgram();
sb.AppendLine($"\n\tPart 1: {result.ToString()}");
inputArray = IntcodeMachine.GetInputArray(input);
shifter.LoadProgram(inputArray);
shifter.QueueInput(5);
result = shifter.ExecuteProgram();
sb.AppendLine($"\n\tPart 2: {result.ToString()}");
return(sb.ToString());
}
public override string Run()
{
var input = Tools.GetFileContents("dec7");
var defaultProgram = IntcodeMachine.GetInputArray(input);
var thrusterSeqsP1 = generateAllPermutations(new List <int> {
0, 1, 2, 3, 4
});
var thrusterSeqsP2 = generateAllPermutations(new List <int> {
5, 6, 7, 8, 9
});
var outputP1 = RunAmplifiers(thrusterSeqsP1, (int[])defaultProgram.Clone());
var outputP2 = RunAmplifiers(thrusterSeqsP2, (int[])defaultProgram.Clone());
sb.AppendLine($"\n\tPart 1: {outputP1.ToString()}");
sb.AppendLine($"\n\tPart 2: {outputP2.ToString()}");
return(sb.ToString());
}
public override string Run()
{
var input = Tools.GetFileContents("dec2");
var inputArray = IntcodeMachine.GetInputArray(input);
var replacements = new Dictionary <int, int> {
{ 1, 12 }, { 2, 2 }
};
inputArray = IntcodeMachine.ReplaceValues(inputArray, replacements);
var intcode = new IntcodeMachine(inputArray);
var output = intcode.Alarm();
sb.AppendLine($"\n\tPart 1: {output.ToString()}");
inputArray = IntcodeMachine.GetInputArray(input);
var output2 = intcode.FindVerbNouns(19690720, inputArray);
var answer2 = output2.Key * 100 + output2.Value;
sb.AppendLine($"\tPart 2: {answer2.ToString()}");
return(sb.ToString());
}
static void day2()
{
long[] inputs = getInputs("./day2/input.txt")[0].Split(',').Select(x => long.Parse(x)).ToArray();
inputs[1] = 12;
inputs[2] = 2;
IntcodeMachine machine = new IntcodeMachine(inputs);
machine.runToEnd();
Console.WriteLine($"Part 1: {machine.memory[0]}"); // Part 1. Answer: 7210630
bool found = false;
for (int i = 0; i < 100; i++)
{
for (int j = 0; j < 100; j++)
{
inputs[1] = i;
inputs[2] = j;
machine = new IntcodeMachine(inputs);
machine.runToEnd();
long output = machine.memory[0];
if (output == 19690720)
{
Console.WriteLine("Answer found:");
Console.WriteLine(i + " " + j);
Console.WriteLine((100 * i) + j); // Part 2. Answer: 3892
found = true;
break;
}
}
if (found)
{
break;
}
}
}