#include <iostream>

using namespace std;

int main()
{
  int matrix[2][2] = { {0, 1}, {2, 3} };

  cout << "Printing 2x2 matrix:" << endl;

  for (int row=0; row < 2; row++) {
    for (int col=0; col < 2; col++) {
      cout << matrix[row][col] << " ";
    }
    cout << endl; // line break at end of row
  }

}