1.
cout << setw(10) << spectrum[level] << setw(8) << team[level] << endl;
2.
cout << setprecision(2) << spectrum[level] << endl;
3.
istream& operator>> (istream& stream, ZooAnimal& Z)
{
stream >> Z.name >> Z.cageNumber >> Z.weightDate >> Z.weight;
return stream;
}