public override string PartOne(string input)
{
var vm = new BootCodeVM(input);
var result = vm.Run();
return(result.ToString());
}
public override string PartTwo(string input)
{
var instructions = input.ParseLines(BootCodeVM.ParseInstruction).ToList();
for (var i = 0; i < instructions.Count; i++)
{
var original = instructions[i];
if (instructions[i].instruction == "nop")
{
instructions[i] = ("jmp", instructions[i].arg);
}
else if (instructions[i].instruction == "jmp")
{
instructions[i] = ("nop", instructions[i].arg);
}
else
{
continue;
}
var vm = new BootCodeVM(instructions);
var result = vm.Run();
if (!vm.InfiniteLoop)
{
return(result.ToString());
}
instructions[i] = original;
}
throw new Exception();
}
