func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     double d, h, v, e;     cin >> d >> h >> v >> e;     double V = e * 3.14159265358979 * (d / 2) * (d / 2);     if (v <= V) {       cout <<  NO ;     } else {       double S = 3.14159265358979 * (d / 2) * (d / 2) * h;       cout <<  YES  << endl << fixed << setprecision(12) << S / (v - V);     }     return 0;   }   