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       vector <vector <int> >::iterator Iter;              for (Iter = VVInt.begin(); Iter != VVInt.end(); ++Iter)       {           cout << *Iter.size () << endl;           cout << *Iter.capacity() << endl;       }exo5.cxx:59: error: 'class __gnu_cxx::__normal_iterator<<unnamed>::CVInt*, std::vector<<unnamed>::CVInt, std::allocator<<unnamed>::CVInt> > >' has no member named 'size'