func_code_string: #include <bits/stdc++.h>   const int oo = 0x7fffffff;   const long long OO = 0x7fffffffffffffff;   template <class T>   std::ostream& operator<<(std::ostream& O, const std::vector<T>& V) {     for (const T& x : V) O << x <<    ;     O <<   n ;     return O;   }   template <class T1, class T2>   std::ostream& operator<<(std::ostream& O, const std::pair<T1, T2>& P) {     return O <<  (  << P.first <<  ,   << P.second <<  ) ;   }   std::mt19937 rng(std::chrono::steady_clock::now().time_since_epoch().count());   using namespace std;   int main() {     long double y1, y2, yw, xb, yb, r;     cin >> y1 >> y2 >> yw >> xb >> yb >> r;     yw -= r, y1 += r;     long double a = atan2(xb, (yw - yb) + (yw - y1));     long double dr = (y2 - y1) * sin(a);     if (dr < r)       cout <<  -1 n ;     else {       long double xw = (yw - y1) * xb / (yw - yb + yw - y1);       cout.precision(10);       cout << fixed << xw <<   n ;     }     return 0;   }   