// C++ program to demonstrate the use of list containers
#include <iostream>
#include <list>
#include <vector>



using namespace std;


int main()
{
   vector<  vector<int> >  vectorOfVectors ;

   vector<int>  v1 ;
   v1.push_back( 1 ) ; v1.push_back( 2 ) ; v1.push_back( 3 ) ;
   vectorOfVectors.push_back( v1 ) ;

   vector<int>  v2 ;
   v2.push_back( 4 ) ; v2.push_back( 5 ) ; v2.push_back( 6 ) ;
   vectorOfVectors.push_back( v2 ) ;

   vector<int>  v3 ;
   v3.push_back( 7 ) ; v3.push_back( 8 ) ; v3.push_back( 9 ) ;
   vectorOfVectors.push_back( v3 ) ;

   //TO DO
   //Print all the elements from vectorOfVectors
   //Do not hardcode any values
    for( int i1=0 ; i1< vectorOfVectors.size() ; i1++ )
      {
              for( int j1=0 ; j1< vectorOfVectors[0].size() ; j1++ )
		        {
                   cout << (vectorOfVectors[i1])[j1] << " " ;
			    } //for
			 cout << endl ;
	  } //for

	return 0  ;
}