public static void TwentyninthPuzzle(string program)
{
var robot = new PausableLongCodeProgram
{
Program = ParseIntCode(program),
Input = new List <long> {
0
},
Output = new List <long>()
};
}
public static void TwentyfifthPuzzle(string program)
{
var game = new PausableLongCodeProgram
{
Program = ExtendMemory(ParseIntCode(program)),
Input = new List <long>(),
Output = new List <long>()
};
var board = RunGame(game);
Console.WriteLine(board.Values.Count(t => t == 2));
}
public static void TwentysixthPuzzle(string program)
{
var game = new PausableLongCodeProgram
{
Program = ExtendMemory(ParseIntCode(program)),
Input = new List <long>(),
Output = new List <long>()
};
game.Program[0] = 2;
PlayGame(game);
}
public static void TwentyfirstPuzzle(string program)
{
var robot = new PausableLongCodeProgram
{
Program = ExtendMemory(ParseIntCode(program)),
Input = new List <long> {
0
},
Output = new List <long>()
};
var paintedArea = RunRobot(robot);
Console.WriteLine(paintedArea.Keys.Count());
}
public static void TwentysecondPuzzle(string program)
{
var robot = new PausableLongCodeProgram
{
Program = ExtendMemory(ParseIntCode(program)),
Input = new List <long> {
1
},
Output = new List <long>()
};
var paintedArea = RunRobot(robot);
PrintPaintArea(paintedArea);
}
private static Dictionary <Point, int> RunGame(PausableLongCodeProgram game)
{
var board = new Dictionary <Point, int>();
while (!RunIntCodeProgram(game))
{
RunIntCodeProgram(game);
RunIntCodeProgram(game);
var i = game.Output.Count() - 3;
board[new Point((int)game.Output[i], (int)game.Output[i + 1])]
= (int)game.Output[i + 2];
}
return(board);
}
private static void PlayGame(PausableLongCodeProgram game)
{
var ball = -1;
var paddle = -1;
var board = new Dictionary <Point, int>();
var length = game.Output.Count();
board[new Point(-1, 0)] = 0;
while (!RunIntCodeProgram(game))
{
RunIntCodeProgram(game);
RunIntCodeProgram(game);
var i = game.Output.Count() - 3;
var value = (int)game.Output[i + 2];
board[new Point((int)game.Output[i], (int)game.Output[i + 1])]
= value;
if (value == 3 && game.Output[i] != -1)
{
paddle = (int)game.Output[i];
}
else if (value == 4 && game.Output[i] != -1)
{
ball = (int)game.Output[i];
}
if (length == game.Output.Count())
{
if (ball == paddle && game.Input.Last() != 0)
{
game.Input.Add(0);
}
else if (ball < paddle)
{
game.Input.Add(-1);
}
else if (ball > paddle)
{
game.Input.Add(1);
}
}
RenderGameBoard(board);
length = game.Output.Count();
}
}
private static Dictionary <Point, int> RunRobot(PausableLongCodeProgram robot)
{
var result = new Dictionary <Point, int>();
var currentPoint = new Point(0, 0);
var direction = Direction.Up;
while (!RunIntCodeProgram(robot))
{
RunIntCodeProgram(robot);
var length = robot.Output.Count();
result[currentPoint] = (int)robot.Output[length - 2];
direction = direction.Turn((int)robot.Output[length - 1]);
currentPoint = TraverseOneStep(currentPoint, direction);
var colour = result.TryGetValue(currentPoint, out var c)
? c
: 0;
robot.Input.Add(colour);
}
return(result);
}
private static bool RunIntCodeProgram(PausableLongCodeProgram pausableProgram)
{
var program = pausableProgram.Program;
var i = pausableProgram.ProgramCounter;
var inputPointer = pausableProgram.InputPointer;
var relativeBase = pausableProgram.RelativeBase;
long a, b;
while (program[i] != 99)
{
int address;
switch (program[i] % 100)
{
case 1:
(a, b) = GetParameters(i, relativeBase, program);
address = program[i] / 10000 == 2
? (int)program[i + 3] + relativeBase
: (int)program[i + 3];
program[address] = a + b;
i += 4;
break;
case 2:
(a, b) = GetParameters(i, relativeBase, program);
address = program[i] / 10000 == 2
? (int)program[i + 3] + relativeBase
: (int)program[i + 3];
program[address] = a * b;
i += 4;
break;
case 3:
a = pausableProgram.Input[inputPointer++];
address = program[i] / 100 == 2
? (int)program[i + 1] + relativeBase
: (int)program[i + 1];
program[address] = a;
i += 2;
break;
case 4:
(a, _) = GetParameters(i, relativeBase, program);
pausableProgram.Output.Add(a);
i += 2;
pausableProgram.Program = program;
pausableProgram.ProgramCounter = i;
pausableProgram.InputPointer = inputPointer;
pausableProgram.RelativeBase = relativeBase;
return(false);
case 5:
(a, b) = GetParameters(i, relativeBase, program);
i = (int)(a != 0 ? b : i + 3);
break;
case 6:
(a, b) = GetParameters(i, relativeBase, program);
i = (int)(a == 0 ? b : i + 3);
break;
case 7:
(a, b) = GetParameters(i, relativeBase, program);
address = program[i] / 10000 == 2
? (int)program[i + 3] + relativeBase
: (int)program[i + 3];
program[address] = a < b ? 1 : 0;
i += 4;
break;
case 8:
(a, b) = GetParameters(i, relativeBase, program);
address = program[i] / 10000 == 2
? (int)program[i + 3] + relativeBase
: (int)program[i + 3];
program[address] = a == b ? 1 : 0;
i += 4;
break;
case 9:
(a, _) = GetParameters(i, relativeBase, program);
relativeBase += (int)a;
i += 2;
break;
default:
Console.WriteLine($"Unknown instruction: {program[i]}");
return(true);
}
}
pausableProgram.Program = program;
pausableProgram.ProgramCounter = i;
pausableProgram.InputPointer = inputPointer;
pausableProgram.RelativeBase = relativeBase;
return(true);
}