class Hypothesis
{
public:
    int id;
    int *trajectory;
};

Hypothesis::Hypothesis()
{
    trajectory = new int[2000];
}

int main()
{
    //stuff here
    vector<Hypothesis> hyp_t(50);
    //
    //
    if ( hyp_1[0].trajectory == hyp_1[1].trajectory )
      cout << " what the fuck ? How they share same memory space ???" << endl;
    //
    return 0;
}