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());
}
void DropAll(LCVM vm)
{
foreach (var item in items)
{
var command = "drop " + item + '\n';
vm.AddInputs(command.ToCharArray().Select(c => (long)c));
while (vm.GetCodeResult() != LCVM.StopCode.Input)
{
}
string text = vm.GetTextOutput();
//Console.WriteLine(text);
}
}
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/23.txt").Split(',').Select(s => long.Parse(s));
var outputs = new Dictionary <long, List <long> >();
var vms = new Dictionary <long, LCVM>();
for (int i = 0; i < 50; i++)
{
vms[i] = new LCVM(codeList.ToArray());
vms[i].AddInput(i);
outputs[i] = new List <long>();
}
while (true)
{
for (int i = 0; i < 50; i++)
{
LCVM.StopCode result = vms[i].GetCodeResult();
if (result == LCVM.StopCode.Input)
{
vms[i].AddInput(-1);
}
else if (result == LCVM.StopCode.Output)
{
while (vms[i].HasOutput())
{
outputs[i].Add(vms[i].GetOutput());
if (outputs[i].Count == 3)
{
long addr = outputs[i][0];
long X = outputs[i][1];
long Y = outputs[i][2];
outputs[i].Clear();
if (addr == 255)
{
return(Y.ToString());
}
vms[addr].AddInput(X);
vms[addr].AddInput(Y);
}
}
}
}
}
}
void GetToSecurityPanel(LCVM vm)
{
string[] commands =
{
"north",
"take mouse",
"north",
"take pointer",
"south",
"south",
"west",
"take monolith",
"north",
"west",
"take food ration",
"south",
"take space law space brochure",
"north",
"east",
"south",
"south",
"south",
"west",
"take asterisk",
"south",
"take mutex",
"north",
"east",
"north",
"north",
"east",
"south",
"south",
"west",
"south",
};
foreach (string command in commands)
{
vm.AddInputs(command.ToCharArray().Select(c => (long)c).Append('\n'));
while (vm.GetCodeResult() != LCVM.StopCode.Input)
{
}
string text = vm.GetTextOutput();
Console.WriteLine(text);
}
}
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());
}
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()
{
var outputs = new Dictionary <long, List <long> >();
var vms = new Dictionary <long, LCVM>();
for (int i = 0; i < 50; i++)
{
vms[i] = new LCVM(codeList.ToArray());
vms[i].AddInput(i);
outputs[i] = new List <long>();
}
(long X, long Y)NAT = (0, 0);
(long X, long Y)oldNAT = (0, 0);
while (true)
{
bool idle = true;
for (int i = 0; i < 50; i++)
{
LCVM.StopCode result = vms[i].GetCodeResult();
if (result == LCVM.StopCode.Input)
{
vms[i].AddInput(-1);
}
else if (result == LCVM.StopCode.Output)
{
while (vms[i].HasOutput())
{
idle = false;
outputs[i].Add(vms[i].GetOutput());
if (outputs[i].Count == 3)
{
long addr = outputs[i][0];
long X = outputs[i][1];
long Y = outputs[i][2];
outputs[i].Clear();
if (addr == 255)
{
oldNAT = NAT;
NAT = (X, Y);
}
else
{
vms[addr].AddInput(X);
vms[addr].AddInput(Y);
}
}
}
}
}
if (idle)
{
if (NAT != (0, 0))
{
vms[0].AddInput(NAT.X);
vms[0].AddInput(NAT.Y);
if (oldNAT == NAT)
{
return(NAT.Y.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());
}
