aoc 1+2

www/statics/aoc/2018/19_solution-1.linq

@@ -0,0 +1,55 @@
+<Query Kind="Program" />
+
+class Command { public String Name; public (string, Action<int[], Command>) Op; public int[] Args; public int Dst => Args[2]; public int Arg1 => Args[0]; public int Arg2 => Args[1]; }
+
+(string, Action<int[], Command>)[] Operations = new(string, Action<int[], Command>)[]
+{
+	("addr", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] + reg[cmd.Arg2];        } ),
+	("addi", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] +     cmd.Arg2;         } ),
+	("mulr", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] * reg[cmd.Arg2];        } ),
+	("muli", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] *     cmd.Arg2;         } ),
+	("banr", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] & reg[cmd.Arg2];        } ),
+	("bani", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] &     cmd.Arg2;         } ),
+	("borr", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] | reg[cmd.Arg2];        } ),
+	("bori", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] |     cmd.Arg2;         } ),
+	("setr", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1];                        } ),
+	("seti", (reg, cmd) => { reg[cmd.Dst] =     cmd.Arg1;                         } ),
+	("gtir", (reg, cmd) => { reg[cmd.Dst] =     cmd.Arg1  >  reg[cmd.Arg2] ? 1:0; } ),
+	("gtri", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] >      cmd.Arg2  ? 1:0; } ),
+	("gtrr", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] >  reg[cmd.Arg2] ? 1:0; } ),
+	("eqir", (reg, cmd) => { reg[cmd.Dst] =     cmd.Arg1  == reg[cmd.Arg2] ? 1:0; } ),
+	("eqri", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] ==     cmd.Arg2  ? 1:0; } ),
+	("eqrr", (reg, cmd) => { reg[cmd.Dst] = reg[cmd.Arg1] == reg[cmd.Arg2] ? 1:0; } ),
+};
+
+void Main()
+{
+	(var commands, var ipidx) = Load(File.ReadAllLines(Path.Combine(Path.GetDirectoryName(Util.CurrentQueryPath), @"19_input.txt")));
+
+	int[] data = new int[255];
+	for (int gen=0;;gen++)
+	{
+		if (data[ipidx]<0 || data[ipidx]>=commands.Count) break;
+		
+		var cmd = commands[data[ipidx]];
+		
+		cmd.Op.Item2(data, cmd);
+		//string.Join(" ", data.Take(6)).Dump();
+		data[ipidx]++;
+	}
+	
+	data[0].Dump();
+}
+
+(List<Command>, int) Load(string[] input)
+{
+	return
+	(
+		input
+			.Skip(1)
+			.Where(i => !string.IsNullOrWhiteSpace(i))
+			.Select(i => new Command { Name = i.Split(' ')[0], Op=Operations.Single(o => o.Item1.ToLower() == i.Split(' ')[0].ToLower()), Args = i.Split(' ').Skip(1).Select(int.Parse).ToArray() })
+			.ToList(),
+		int.Parse(input[0].Split(' ')[1])
+	);
+}