public void ShowBest(int number = 3)
{
if (number <= students.Count && number > 0)
{
List <Student> st_copy = new List <Student>(students);
var tmp = new SortAverage();
tmp.Sort(st_copy);
Console.WriteLine($"Best {number} students:");
for (int i = 0; i < st_copy.Count && i < number; i++)
{
st_copy[i].Info();
}
}
else
{
Console.WriteLine("Invalid index.");
}
}
static void Task2()
{
Group group = new Group("33СПА-2");
group.AddSt(new Student("name_one", "surn_one", "patr_one"));
group.AddSt(new Student("name_two", "surn_two", "patr_two"));
group.AddSt(new Student("name_three", "surn_three", "patr_three"));
group.AddSt(new Student("name_four", "surn_four", "patr_four"));
group.AddSt(new Student("name_five", "surn_five", "patr_five"));
group.AddSt(new Student("name_six", "surn_six", "patr_six"));
//group.SetRandMarks();
group.Show();
Console.WriteLine("remove student six===============================");
group.RemSt("surnsix");
group.Show();
Console.WriteLine("Sort by surname===============================");
ISortSt strategy = new SortSurname();
group.SetStrategy(strategy);
group.SortGr();
group.Show();
Console.WriteLine("Sort by average===============================");
strategy = new SortAverage();
group.SetStrategy(strategy);
group.SortGr();
group.Show();
Console.WriteLine("Sort by recbook===============================");
strategy = new SortRecBook();
group.SetStrategy(strategy);
group.SortGr();
group.Show();
group.ShowBest();
}