#define _CRT_SECURE_NO_WARNINGS #include #include #include #include #include #include #include #include #include #include using namespace std; typedef long long ll; typedef vector vi; typedef vector vvi; typedef pair pii; #define all(c) (c).begin(), (c).end() #define loop(i,a,b) for(ll i=a; iDUMP &operator,(const T&t){if(this->tellp())*this<<", ";*this<>x>>y){ printf("%.15lf ", x*(1-y)); printf("%.15lf\n", x*(1-y)); } }