| 9 | Num operator +(const Num &b) { return x + b.x; } |
| 10 | Num operator -(const Num &b) const { return x - b.x; } |
| 11 | Num operator *(const Num &b) const { return (ll)x * b.x; } |
| 12 | Num operator /(const Num &b) const { |
| 13 | return (ll)x * b.inv().x; } |
| 14 | Num inv() const { return mod_pow<ll>((ll)x, mod-2, mod); } |
nothing calls this directly
no outgoing calls
no test coverage detected