>>119
関係ないけどratioはここが美しいなｗ

typedef ratio<1, (_LONGLONG)1000000000 * 1000000000> atto;
typedef ratio<1, (_LONGLONG)1000000 * 1000000000> femto;
typedef ratio<1, (_LONGLONG)1000 * 1000000000> pico;
typedef ratio<1, 1000000000> nano;
typedef ratio<1, 1000000> micro;
typedef ratio<1, 1000> milli;
typedef ratio<1, 100> centi;
typedef ratio<1, 10> deci;
typedef ratio<10, 1> deca;
typedef ratio<100, 1> hecto;
typedef ratio<1000, 1> kilo;
typedef ratio<1000000, 1> mega;
typedef ratio<1000000000, 1> giga;
typedef ratio<(_LONGLONG)1000 * 1000000000, 1> tera;
typedef ratio<(_LONGLONG)1000000 * 1000000000, 1> peta;
typedef ratio<(_LONGLONG)1000000000 * 1000000000, 1> exa;