public void Exec()
{
var numbersText = File.ReadAllLines(@"Data\day14.txt");
var programs = new List <Progr>();
foreach (var line in numbersText)
{
if (line.IndexOf("mask") == 0)
{
var p = new Progr();
p.mems = new List <KeyValuePair <ulong, ulong> >();
var s = line.Split(' ');
p.mask = s[2];
programs.Add(p);
}
else
{
var s = line.Split(new char[] { ' ', '=', '[', ']' }, StringSplitOptions.RemoveEmptyEntries);
programs[programs.Count - 1].mems.Add(new KeyValuePair <ulong, ulong>(ulong.Parse(s[1]), ulong.Parse(s[2])));
}
}
var one = partOne(programs);
var two = partTwo(programs);
Console.WriteLine($"partOne: {one} partTwo: {two}");
if (Console.ReadKey().Key == ConsoleKey.Spacebar)
{
Clipboard.SetText(two.ToString());
}
}
void addrs(Progr program, int maskIndex, List <ulong> store, ulong addr)
{
if (maskIndex >= program.mask.Length)
{
store.Add(addr);
}
else
{
if (program.mask[maskIndex] == '0')
{
addrs(program, maskIndex + 1, store, addr);
}
else if (program.mask[maskIndex] == '1')
{
addrs(program, maskIndex + 1, store, addr | ((ulong)1 << (program.mask.Length - maskIndex - 1)));
}
else
{
addrs(program, maskIndex + 1, store, addr & ~((ulong)1 << (program.mask.Length - maskIndex - 1)));
addrs(program, maskIndex + 1, store, addr | ((ulong)1 << (program.mask.Length - maskIndex - 1)));
}
}
}
