private static void Part1(string[] args)
{
Console.WriteLine(" Part 1");
String[] lines = File.ReadAllLines(Part1Input);
Console.WriteLine("\tRead {0} inputs", lines.Length);
(String s, int i)instruct;
String[] prog = new String[lines.Length];
int[] iargs = new int[lines.Length];
for (int i = 0; i < lines.Length; i++)
{
instruct = IntCode08.parseInstruction(lines[i]);
prog[i] = instruct.s;
iargs[i] = instruct.i;
}
IntCode08 machine = new IntCode08(prog, iargs);
// Console.Write(machine);
int count = machine.RunUntilLoop();
Console.WriteLine($"\n\tPart 1 Solution: {count}");
}
private static void Part2(string[] args)
{
Console.WriteLine(" Part 2");
String[] lines = File.ReadAllLines(Part2Input);
Console.WriteLine("\tRead {0} inputs", lines.Length);
(String s, int i)instruct;
String[] prog = new String[lines.Length];
int[] iargs = new int[lines.Length];
for (int i = 0; i < lines.Length; i++)
{
instruct = IntCode08.parseInstruction(lines[i]);
prog[i] = instruct.s;
iargs[i] = instruct.i;
}
IntCode08 machine = new IntCode08(prog, iargs);
// Console.Write(machine);
/*
*
* INSIGHT
* Assume that for all swap, the program only ever does two things: loop or terminate
* If an instruction is encountered twice (the pc repeats) a loop has started.
*
*/
machine.FindFlip();
int last_accum = machine.last_accum;
Console.WriteLine($"\n\tPart 2 Solution: {last_accum}");
}