public static List <Card> multiply(List <Card> a, List <Card> b)
{
List <Card> result = new List <Card>();
foreach (var ita in a)
{
foreach (var itb in b)
{
Card c = new Card();
foreach (var it in ita.Keys())
{
c.AddRegister(it, ita.GetRegister(it));
}
foreach (var it in itb.Keys())
{
c.AddRegister(it, itb.GetRegister(it));
}
result.Add(c);
}
}
return(result);
}
