public void Find1478Tests(string input, int expected)
{
var lengths = new[] { 2, 3, 4, 7, };
var(_, output) = SignalData.Parse(input, default);
var actual = output.Select(s => s.Length).Count(lengths.Contains);
Assert.Equal(expected, actual);
}
public void Test2(string input, int expected)
{
var(samples, output) = SignalData.Parse(input, default);
IReadOnlyDictionary <string, int> dictionary = samples.ReverseArray().ToDictionary(kvp => kvp.Key, kvp => kvp.Value);
var chars = output.Select(s => dictionary[s].ToString()[0]);
var @string = string.Concat(chars);
var actual = int.Parse(@string);
Assert.Equal(expected, actual);
}