public static void Main()
{
var xmas = new Xmas(25, File.ReadAllLines("input.txt").Select(long.Parse).ToList());
var error = xmas.GetError();
Console.WriteLine($"Part 1: the first number that does not have this property is {error}.");
Console.WriteLine($"Part 2: the encryption weaknessd in the XMAS-encrypted list is {xmas.GetWeakness(error)}.");
}
public void Part2()
{
Xmas.FindEncryptionWeakness(_input, invalidNumber: 127)
.Should().Be(62);
}
public void Part1()
{
Xmas.FindInvalidNumber(_input, windowSize: 5)
.Should().Be(127);
}
