#include <iostream>
#include <cliext/vector>

using cliext::vector;
using std::cout;
using std::endl;

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

    vector<int> temp;

    temp.push(0);
    temp.push(1);

    b.push_back(temp);

    cout << "b[0][1] = " << b[0][1] << endl;

    b.at(0)[1] = 5;

    cout << "b[0][1] = " << b[0][1] << endl;

    return 0;
}