public AdapterArray(string[] adapterStrings)
{
AdapterInts = adapterStrings.Select(int.Parse).ToList();
var wallOutlet = 0;
WallOutlet = wallOutlet;
AdapterInts.Add(wallOutlet);
var deviceJoltage = AdapterInts.Max() + 3;
DeviceJoltage = deviceJoltage;
AdapterInts.Add(deviceJoltage);
AdapterInts = AdapterInts.OrderBy(num => num).ToList();
}
public object GetNumberOfArrangements()
{
var paths = AdapterInts.ToDictionary(i => i, i => 0L);
paths[0] = 1;
foreach (var adapter in AdapterInts.Skip(1))
{
for (int i = 1; i < 4; i++)
{
if (paths.ContainsKey(adapter - i))
{
paths[adapter] += paths[adapter - i];
}
}
}
return(paths[AdapterInts[^ 1]]);
