public int NumberOfAdditionalSantas()
{
var additionalSantaIds = NonEmptyRoutes.Where(r => OptimizationInput.IsAdditionalSanta(r.SantaId))
.Select(r => r.SantaId)
.Distinct().ToList();
return(additionalSantaIds.Count);
}
public int AdditionalSantaWorkTime()
{
var additionalSantaIds = NonEmptyRoutes.Where(r => OptimizationInput.IsAdditionalSanta(r.SantaId))
.Select(r => r.SantaId)
.Distinct().ToList();
var additionalSantaRoutes = NonEmptyRoutes.Where(r => additionalSantaIds.Contains(r.SantaId));
return(additionalSantaRoutes.Select(r =>
r.Waypoints.Max(wp => wp.StartTime) - r.Waypoints.Min(wp => wp.StartTime))
.Sum());
}