public void AOC_2020_Day03a()
{
var input = File.ReadAllText(".//Content2//2020/Day03.txt");
var answer = AOC_2020_Day03_Answer.CountTrees(input);
answer.Should().Be(198);
}
public void test_tree_count_variable_slope(int deltaX, int deltaY, int expectedResult)
{
var input = $"..##.......{Environment.NewLine}#...#...#..{Environment.NewLine}.#....#..#.{Environment.NewLine}..#.#...#.#{Environment.NewLine}.#...##..#.{Environment.NewLine}..#.##.....{Environment.NewLine}.#.#.#....#{Environment.NewLine}.#........#{Environment.NewLine}#.##...#...{Environment.NewLine}#...##....#{Environment.NewLine}.#..#...#.#";
var answer = AOC_2020_Day03_Answer.CountTreesForSlopeX(input, deltaX, deltaY);
answer.Should().Be(expectedResult);
}
public void test_tree_count()
{
var input = $"..##.......{Environment.NewLine}#...#...#..{Environment.NewLine}.#....#..#.{Environment.NewLine}..#.#...#.#{Environment.NewLine}.#...##..#.{Environment.NewLine}..#.##.....{Environment.NewLine}.#.#.#....#{Environment.NewLine}.#........#{Environment.NewLine}#.##...#...{Environment.NewLine}#...##....#{Environment.NewLine}.#..#...#.#";
var answer = AOC_2020_Day03_Answer.CountTrees(input);
answer.Should().Be(7);
}
public void AOC_2020_Day03b()
{
var input = File.ReadAllText(".//Content2//2020/Day03.txt");
var answers = new[]
{
AOC_2020_Day03_Answer.CountTreesForSlopeX(input, 1, 1),
AOC_2020_Day03_Answer.CountTreesForSlopeX(input, 3, 1),
AOC_2020_Day03_Answer.CountTreesForSlopeX(input, 5, 1),
AOC_2020_Day03_Answer.CountTreesForSlopeX(input, 7, 1),
AOC_2020_Day03_Answer.CountTreesForSlopeX(input, 1, 2)
};
var answer = answers.Aggregate(1D, (acc, x) => acc * x);
answer.Should().Be(5140884672);
}