namespace AOC2021;
///
/// Day 1:
///
public sealed class Day01() : Day(2021, 1, "Sonar Sweep")
{
private List? _readings;
public override void ProcessInput() =>
_readings = Input.Select(int.Parse).ToList();
public override object Part1() =>
Enumerable.Range(0, _readings!.Count - 1).Count(i => _readings[i + 1] > _readings[i]);
public override object Part2() =>
Enumerable.Range(0, _readings!.Count - 3).Count(i => _readings[i + 3] > _readings[i]);
}