#include <vector>
#include <iostream>

template <typename T>
class array2
{
public:
  array2(){};
  array2(int r, int c)
  {
	rows=r;
	cols=c;
    for(int i= 0 ; i<rows; ++i)
    {
      data.push_back(std::vector<T>(cols));
    }
  }
  

  inline std::vector<T> & operator[](int i) { return data[i]; }

  inline const std::vector<T> & operator[] (int i) const { return data[i]; }
  int rows, cols;
private:
  std::vector<std::vector<T> > data;  
};
  
void myprint(array2<int> &a)
	{
	for(int i= 0 ; i<a.rows; ++i)
		{
		for(int j= 0 ; j<a.cols; ++j)
			{
			std::cout << a[i][j] <<"  ";
			}
		std::cout << std::endl;
		}
	}
int main()
 {
 int ii, jj;

 ii= 10 ;
 jj= 3 ;

 array2<int>a(ii,jj);

 for(int i= 0 ; i<ii; ++i)
   for(int j= 0 ; j<jj; ++j)
     {
     a[i][j] = i+j;
     }

 myprint(a);
 return  0 ;
 }