Esempio n. 1
0
        static void Main(string[] args)
        {
            Console.WriteLine("Hello Advent Of Code!");
            var storeClient = new StoreClient($@"{System.IO.Directory.GetCurrentDirectory()}\store");
            var day         = new DayFour(storeClient.GetInput(2019, 4));

            Console.WriteLine(day.Answer);
        }
Esempio n. 2
0
        public static int?SolveSecondDay(StoreClient client)
        {
            var input  = client.GetInput(2019, 2).Split(",", StringSplitOptions.None);
            int target = 19690720;
            int?result = null;

            for (int noun = 0; noun < input.Length; noun++)
            {
                for (int verb = 0; verb < input.Length; verb++)
                {
                    var opcodes = input.Select(Int32.Parse).ToArray();
                    opcodes[1] = noun;
                    opcodes[2] = verb;
                    bool isRun = true;
                    int  i     = 0;
                    while (isRun)
                    {
                        switch (opcodes[i])
                        {
                        case 1:
                            opcodes[opcodes[i + 3]] = opcodes[opcodes[i + 1]] + opcodes[opcodes[i + 2]];
                            i += 4;
                            break;

                        case 2:
                            opcodes[opcodes[i + 3]] = opcodes[opcodes[i + 1]] * opcodes[opcodes[i + 2]];
                            i += 4;
                            break;

                        case 99:
                            isRun = false;
                            Console.WriteLine("Program halted due to 99 opcode.");
                            break;

                        default:
                            isRun = false;
                            Console.WriteLine("Program halted due to invalid opcode.");
                            break;
                        }
                    }
                    if (opcodes[0] == target)
                    {
                        result = noun * 100 + verb;
                        return(result);
                    }
                }
            }
            return(result);
        }
Esempio n. 3
0
        public static string SolveThirdDay(StoreClient client)
        {
            var input   = client.GetInput(2019, 3).Split(new[] { Environment.NewLine }, StringSplitOptions.None);
            var wires   = new List <string[]>();
            var wireMap = new Dictionary <(int, int), List <WirePath> >();

            foreach (var wire in input)
            {
                wires.Add(wire.Split(",", StringSplitOptions.None));
            }

            Action <(int, int), WirePath> addToWireMap = (xy, wirePath) =>
            {
                if (wireMap.TryGetValue(xy, out var cell))
                {
                    if (cell.Count(wp => wp.WireId == wirePath.WireId) == 0)
                    {
                        cell.Add(wirePath);
                    }
                }
                else
                {
                    wireMap.Add(xy, new List <WirePath>()
                    {
                        wirePath
                    });
                }
            };
            Action <int> createWireMap = (wireId) =>
            {
                int currentX = 0;
                int currentY = 0;
                int step     = 0;
                foreach (var wirePath in wires[wireId])
                {
                    var value    = int.Parse(wirePath.Substring(1));
                    var wireCell = new WirePath(wireId, step);
                    switch (wirePath.ElementAt(0))
                    {
                    case 'U':
                        for (int i = currentY + 1; i <= currentY + value; i++)
                        {
                            step++;
                            wireCell.StepCount = step;
                            addToWireMap((currentX, i), wireCell);
                        }
Esempio n. 4
0
        public static int SolveFirstDay(StoreClient storeClient)
        {
            int fuelRequirements = 0;
            var input            = storeClient.GetInput(2019, 1);
            var modulesMass      = input.Split(new[] { Environment.NewLine }, StringSplitOptions.None);

            foreach (var mass in modulesMass)
            {
                var fuelForModule = (int)Math.Floor(Convert.ToDouble(mass) / 3) - 2;
                fuelRequirements += fuelForModule;
                int fuelForFuel = fuelForModule;
                do
                {
                    fuelForFuel       = (int)Math.Floor(Convert.ToDouble(fuelForFuel) / 3) - 2;
                    fuelForFuel       = fuelForFuel > 0 ? fuelForFuel : 0;
                    fuelRequirements += fuelForFuel;
                } while (fuelForFuel > 0);
            }
            return(fuelRequirements);
        }