public long ExecutePart2(Instruction[] instructions)
{
Computer.Computer computer = null;
var nextInstructions = instructions;
int replaced = 0;
do
{
computer = new Computer.Computer(nextInstructions);
computer.ExecuteStopWhenLoop();
nextInstructions = SwitchFirstJmpNop(instructions, replaced, out var lastReplaced);
replaced = lastReplaced + 1;
} while (computer.IsFinished() != true && replaced < instructions.Length);
return(computer?.IsFinished() == true?computer.GetAcc() : -1);
}
public long ExecutePart1()
{
Computer.Computer p = new Computer.Computer(_instructions);
p.ExecuteStopWhenLoop();
return(p.GetAcc());
}