Code

for(i = 0; i < V; i++){
      std::cout << "(" << _graph[k][0] << ") -> ";
      for(j = 0; j < V; j++){
        if(_graph[k][0] != matrix[h][j] && !(_graph[k][0] == 0 && matrix[h][j] == 0))
          std::cout << matrix[h][j] << " ";
      }
      k++;
      std::cout << "\n";
    }