public override string PartOne(string input)
{
// read input into grid, and traverse it
var map = input.CreateCharGrid();
return(TreeCount(map, (3, 1)).ToString());
}
public static long Day3B()
{
//Right 1, down 1.
//Right 3, down 1. (This is the slope you already checked.)
//Right 5, down 1.
//Right 7, down 1.
//Right 1, down 2.
var treesA = new TreeCount(1);
var treesB = new TreeCount(3);
var treesC = new TreeCount(5);
var treesD = new TreeCount(7);
var treesE = new TreeCount(1);
AOCInput input = new AOCInput().GetInput("Inputs/Day3A.json");
int i = 0;
int mapLength = input.InputString[i].Length;
while (i < input.InputString.Count)
{
treesA.Count = CheckForTree(input.InputString[i][treesA.Idx], treesA.Count);
treesA.Idx += treesA.Slope;
treesA.Idx = WrapMap(treesA.Idx, mapLength);
treesB.Count = CheckForTree(input.InputString[i][treesB.Idx], treesB.Count);
treesB.Idx += treesB.Slope;
treesB.Idx = WrapMap(treesB.Idx, mapLength);
treesC.Count = CheckForTree(input.InputString[i][treesC.Idx], treesC.Count);
treesC.Idx += treesC.Slope;
treesC.Idx = WrapMap(treesC.Idx, mapLength);
treesD.Count = CheckForTree(input.InputString[i][treesD.Idx], treesD.Count);
treesD.Idx += treesD.Slope;
treesD.Idx = WrapMap(treesD.Idx, mapLength);
i++;
}
i = 0;
while (i < input.InputString.Count)
{
treesE.Count = CheckForTree(input.InputString[i][treesE.Idx], treesE.Count);
treesE.Idx += treesE.Slope;
treesE.Idx = WrapMap(treesE.Idx, mapLength);
i += 2;
}
Console.WriteLine($"A: {treesA.Count}, B: {treesB.Count}, C: {treesC.Count}, D: {treesD.Count}, E: {treesE.Count}");
return(treesA.Count * treesB.Count * treesC.Count * treesD.Count * treesE.Count);
}
public object PartTwo(string input) => TreeCount(input, (1, 1), (1, 3), (1, 5), (1, 7), (2, 1));
public object PartOne(string input) => TreeCount(input, (1, 3));
long PartTwo(string input) => TreeCount(input, (1, 1), (1, 3), (1, 5), (1, 7), (2, 1));
long PartOne(string input) => TreeCount(input, (1, 3));
