class TOne
{
public:
    TOne (void) {}
    TOne (int aa, int bb) { ac = aa; bc = bb; }

    int ac;
    int bc;
};

template<int a, int b>
class TOne_t : public TOne
{
public:
    TOne_t<a, b>(void) : TOne(a, b) {}
};


TOne one[2];

TOne_t<1, 2>  one_t[2];