private static long?RunDroid(long[] code, string[] instructions)
{
var input = new Queue <long>();
foreach (var line in instructions)
{
foreach (var ch in line)
{
input.Enqueue(ch);
}
input.Enqueue('\n');
}
long?result = default;
IntcodeMachine.RunProgram(
program: code,
ch =>
{
if (ch < 255)
{
Console.Write((char)ch);
}
else
{
result = ch;
}
},
input
);
return(result);
}
static void Main(string[] args)
{
var program = File.ReadLines("input.txt").First();
var code = IntcodeMachine.ParseCode(program);
var instructions1 = new[]
{
// ~(A^B^C)^D
"NOT T T",
"AND A T",
"AND B T",
"AND C T",
"NOT T J",
"AND D J",
"WALK"
};
Console.WriteLine("Part 1...");
var result1 = RunDroid(code, instructions1);
Console.WriteLine($"Result #1 = {result1}");
var instructions2 = new[]
{
// ~(A^B^C)^D^(E|H)
"NOT T T",
"AND T T",
"AND A T",
"AND B T",
"AND C T",
"NOT T J",
"AND D J",
"NOT J T",
"OR E T",
"OR H T",
"AND T J",
"RUN"
};
Console.WriteLine("Part 2...");
var result2 = RunDroid(code, instructions2);
Console.WriteLine($"Result #2 = {result2}");
}
public static bool RunProgram(long[] program, Action <long> write, Queue <long> input = default)
{
var machine = new IntcodeMachine(program);
while (true)
{
var result = machine.StepMany(input);
switch (result.State)
{
case ExecuteState.HaveOutput:
write?.Invoke(result.Output.Value);
break;
case ExecuteState.NeedInput:
return(false);
case ExecuteState.Halted:
return(true);
}
}
}