static void Main(string[] args)
{
List <string> inputList = (args.Count() > 0) ? InputLoader.GetInputAsList(args[0]) : InputLoader.GetInputAsList("input.txt");
var slope = new Slope(inputList)
{
PositionX = 0, PositionY = 0, MovementRight = 3, MovementBottom = 1
};
slope.Start();
Console.WriteLine($"Trees encountered in part 1: {slope.TreesEncountered}");
// right 3, below 1
var slope31 = slope.TreesEncountered;
// right 1, below 1
slope.PositionX = slope.PositionY = 0;
slope.MovementRight = slope.MovementBottom = 1;
slope.Start();
var slope11 = slope.TreesEncountered;
// right 5, below 1
slope.PositionX = slope.PositionY = 0;
slope.MovementRight = 5;
slope.MovementBottom = 1;
slope.Start();
var slope51 = slope.TreesEncountered;
// right 7, below 1
slope.PositionX = slope.PositionY = 0;
slope.MovementRight = 7;
slope.MovementBottom = 1;
slope.Start();
var slope71 = slope.TreesEncountered;
// right 1, below 2
slope.PositionX = slope.PositionY = 0;
slope.MovementRight = 1;
slope.MovementBottom = 2;
slope.Start();
var slope12 = slope.TreesEncountered;
// part 2
Console.WriteLine($"Number for part 2: {slope11*slope31*slope51*slope71*slope12}");
Console.ReadLine();
}
