public override string Part1()
{
codeList = File.ReadAllText("Input/13.txt").Split(',').Select(s => long.Parse(s));
LCVM vm = new LCVM(codeList.ToArray());
List <long> results = new List <long>();
var result = LCVM.StopCode.None;
while (result != LCVM.StopCode.Halt)
{
result = vm.GetCodeResult();
if (result == LCVM.StopCode.Output)
{
results.Add(vm.GetOutput());
}
}
int blocks = 0;
for (int i = 2; i < results.Count; i += 3)
{
if (results[i] == 2)
{
blocks++;
}
}
return(blocks.ToString());
}
Dictionary <(int x, int y), int> GetPaint(int input)
{
(int x, int y)pos = (0, 0);
Dictionary <(int x, int y), int> paint = new Dictionary <(int x, int y), int>();
int face = 0;
LCVM vm = new LCVM(codeList.ToArray());
vm.AddInput(input); // First panel is black
var result = LCVM.StopCode.None;
bool isColour = true;
while (result != LCVM.StopCode.Halt)
{
result = vm.GetCodeResult();
if (result == LCVM.StopCode.Output)
{
if (isColour)
{
paint[pos] = (int)vm.GetOutput();
}
else
{
// Dir
face += (int)vm.GetOutput() * 2 - 1;
var dir = GetDirection(face);
pos = (pos.x + dir.x, pos.y + dir.y);
}
isColour = !isColour;
}
else if (result == LCVM.StopCode.Input)
{
paint.TryGetValue(pos, out int panel);
vm.AddInput(panel);
}
}
return(paint);
}
public override string Part2()
{
LCVM vm = new LCVM(codeList.ToArray());
string[] instructions = new string[]
{
"NOT A J",
"NOT B T",
"OR T J",
"NOT C T",
"OR T J",
"AND D J",
"NOT D T",
"OR E T",
"OR H T",
"AND T J",
"RUN"
};
foreach (string s in instructions)
{
var chars = s.ToCharArray();
foreach (var c in chars)
{
vm.AddInput(c);
}
vm.AddInput('\n');
}
long lastOutput = 0;
var result = LCVM.StopCode.None;
while (result != LCVM.StopCode.Halt)
{
result = vm.GetCodeResult();
if (result == LCVM.StopCode.Output)
{
lastOutput = vm.GetOutput();
if (lastOutput < 256)
{
Console.Write((char)lastOutput);
}
}
}
return(lastOutput.ToString());
}
public override string Part1()
{
codeList = File.ReadAllText("Input/21.txt").Split(',').Select(s => long.Parse(s));
LCVM vm = new LCVM(codeList.ToArray());
string[] instructions = new string[]
{
"NOT A J",
"NOT B T",
"OR T J",
"NOT C T",
"OR T J",
"AND D J",
"WALK"
};
foreach (string s in instructions)
{
var chars = s.ToCharArray();
foreach (var c in chars)
{
vm.AddInput(c);
}
vm.AddInput('\n');
}
long lastOutput = 0;
var result = LCVM.StopCode.None;
while (result != LCVM.StopCode.Halt)
{
result = vm.GetCodeResult();
if (result == LCVM.StopCode.Output)
{
lastOutput = vm.GetOutput();
if (lastOutput < 256)
{
Console.Write((char)lastOutput);
}
}
}
return(lastOutput.ToString());
}
public override string Part2()
{
LCVM vm = new LCVM(codeList.ToArray());
vm.AddInput(2);
LCVM.StopCode result = LCVM.StopCode.None;
while (result != LCVM.StopCode.Halt)
{
result = vm.GetCodeResult();
if (result == LCVM.StopCode.Output)
{
Console.WriteLine(vm.GetOutput());
}
}
return(base.Part2());
}
public override string Part1()
{
codeList = File.ReadAllText("Input/9.txt").Split(',').Select(s => long.Parse(s));
LCVM vm = new LCVM(codeList.ToArray());
vm.AddInput(1);
LCVM.StopCode result = LCVM.StopCode.None;
while (result != LCVM.StopCode.Halt)
{
result = vm.GetCodeResult();
if (result == LCVM.StopCode.Output)
{
Console.WriteLine(vm.GetOutput());
}
}
return(base.Part1());
}
public override string Part1()
{
codeList = File.ReadAllText("Input/19.txt").Split(',').Select(s => long.Parse(s));
long count = 0;
for (int y = 0; y < 50; y++)
{
for (int x = 0; x < 50; x++)
{
LCVM vm = new LCVM(codeList.ToArray());
vm.AddInput(x);
vm.AddInput(y);
vm.GetCodeResult();
count += vm.GetOutput();
}
}
return(count.ToString());
}
public override string Part2()
{
var map = new Dictionary <(int x, int y), bool>();
int y = 1;
int x = 1;
int minX = 0;
int rowLength = 1;
bool foundThisRow = false;
bool foundStart = false;
while (true)
{
LCVM vm = new LCVM(codeList.ToArray());
vm.AddInput(x);
vm.AddInput(y);
vm.GetCodeResult();
bool isBeam = vm.GetOutput() == 1;
map.Add((x, y), isBeam);
if (isBeam)
{
if (foundThisRow)
{
x++;
}
else
{
if (rowLength >= 100)
{
if (map.TryGetValue((x + 99, y - 99), out bool beam) && beam)
{
return((x * 10000 + (y - 99)).ToString());
}
}
minX = x;
x += rowLength;
}
foundThisRow = true;
foundStart = true;
}
else if (foundThisRow)
{
// After beam
rowLength = x - minX;
x = minX;
y++;
foundThisRow = false;
}
else
{
// Before beam
x++;
if (!foundStart && x > 10)
{
y++;
x = 0;
}
}
}
}
public override string Part2()
{
Console.WriteLine("Press a key to start Part 2:");
Console.ReadKey();
var codes = codeList.ToArray();
codes[0] = 2;
LCVM vm = new LCVM(codes);
List <long> results = new List <long>();
Dictionary <(int x, int y), int> screen = new Dictionary <(int x, int y), int>();
bool allScreen = false;
int ballX = 0;
int paddleX = 0;
int count = 0;
var result = LCVM.StopCode.None;
while (result != LCVM.StopCode.Halt)
{
result = vm.GetCodeResult();
if (result == LCVM.StopCode.Input)
{
if (!allScreen)
{
// Get Max X and Y coordinates
allScreen = true;
foreach (var item in screen)
{
maxX = Math.Max(maxX, item.Key.x);
maxY = Math.Max(maxY, item.Key.y);
}
}
if (++count == 50)
{
// Visualisation
DrawScreen(screen);
count = 0;
}
vm.AddInput(Math.Sign(ballX - paddleX));
}
else if (result == LCVM.StopCode.Output)
{
results.Add(vm.GetOutput());
}
if (results.Count == 3)
{
if (results[0] == -1 && results[1] == 0)
{
score = (int)results[2];
}
else
{
int x = (int)results[0];
int y = (int)results[1];
int val = (int)results[2];
if (val < 0 || val > 4)
{
throw new Exception("Value out of range!");
}
screen[(x, y)] = (int)results[2];
public override string Part1()
{
codeList = File.ReadAllText("Input/25.txt").Split(',').Select(s => long.Parse(s));
LCVM vm = new LCVM(codeList.ToArray());
var result = LCVM.StopCode.None;
while (result != LCVM.StopCode.Halt)
{
result = vm.GetCodeResult();
if (result == LCVM.StopCode.Output)
{
long o = vm.GetOutput();
Console.Write((char)o);
}
else if (result == LCVM.StopCode.Input)
{
var input = Console.ReadLine();
if (input == "collect")
{
GetToSecurityPanel(vm);
}
else if (input == "hack")
{
for (int i = 0; i <= 127; i++)
{
DropAll(vm);
string command = "";
for (int j = 0; j < 7; j++)
{
if ((i & (1 << j)) != 0)
{
command = "take " + items[j] + '\n';
vm.AddInputs(command.ToCharArray().Select(c => (long)c));
while (vm.GetCodeResult() == LCVM.StopCode.Output)
{
}
vm.GetTextOutput();
}
}
command = "east\n";
vm.AddInputs(command.ToCharArray().Select(c => (long)c));
while (vm.GetCodeResult() == LCVM.StopCode.Output)
{
}
string text = vm.GetTextOutput();
if (!text.Contains("eject"))
{
Console.WriteLine(text);
}
}
Console.WriteLine("Finished Hacking!: ");
}
else
{
input += '\n';
vm.AddInputs(input.ToCharArray().Select(c => (long)c));
}
}
}
return(base.Part1());
}