#include <iostream>
using namespace std;
 
template <class T>
class Array{
    public:
    Array() : size(0){ cout << "Array contructed, length = " << length() << endl; }
 
    Array(int s) : size(s) { data = new T[size]; }
 
    Array(const Array & a) : size(a.length()) { 
       data = new T[a.length()];
       for(int i = 0; i < a.length(); ++i)
       data[i] = a[i];
    }
 
    int length() const { return size; }
 
    // Members
 
    private:
    int size;
    T * data;
};
 
int main()
{
    Array< Array<int> > b(3);
}

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