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);
}
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);
}
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);
}
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);
}
