public bool Solve(int part = 0) { string input = File.ReadAllText("Day10/input.txt"); KnotHash knotHash = new KnotHash(); if (part == 2) { int[] lengths = (input + "\x11\x1f\x49\x2f\x17").Select(c => (int)c).ToArray(); for (int round = 0; round < 64; round++) { knotHash.HashRound(lengths); } Console.WriteLine(knotHash.GetDenseHash()); } else { int[] lengths = input.Split(',').Select(s => int.Parse(s)).ToArray(); int result = knotHash.HashRound(lengths); Console.WriteLine(result); } return(true); }