vector<int> myvector;
myvector.push_back(1);
myvector.push_back(2);
myvector.push_back(3);
vector<int> myvector1;
myvector1.push_back(4);
myvector1.push_back(5);
vector<int> myvector3;
myvector3.push_back(6);
myvector3.push_back(7);
myvector3.push_back(8);
myvector3.push_back(9);
vector<vector<int>> allvector;
allvector.push_back(myvector);
allvector.push_back(myvector1);
allvector.push_back(myvector3);
for (int i = 0; i < allvector.size(); i++)
{
for (int j = 0; j < allvector[i].size(); j++)
{
cout <<" "<<allvector[i][j];
}
cout << endl;
}