answer.code:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated]
    1 | #import<bits/stdc++.h>
      |  ^~~~~~
answer.code:2:39: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type]
    2 | using namespace std;long double r,b,v;main(){cin>>r>>b;v=r+b;v=r*b>1e14?log(pi*r*b*2/v)/2-r*log(v/r/2)-b*log(v/b/2):ln2*v-lgamma(v+1)+lgamma(r+1)+lgamma(b+1);if(v>20.72)cout<<"Extreme Wealth";else printf("%.9Lf",exp(v));}
      |                                       ^~~~
answer.code: In function ‘int main()’:
answer.code:2:77: error: ‘pi’ was not declared in this scope; did you mean ‘std::numbers::pi’?
    2 | using namespace std;long double r,b,v;main(){cin>>r>>b;v=r+b;v=r*b>1e14?log(pi*r*b*2/v)/2-r*log(v/r/2)-b*log(v/b/2):ln2*v-lgamma(v+1)+lgamma(r+1)+lgamma(b+1);if(v>20.72)cout<<"Extreme Wealth";else printf("%.9Lf",exp(v));}
      |                                                                             ^~
      |                                                                             std::numbers::pi
In file included from /usr/include/c++/13/bits/max_size_type.h:37,
                 from /usr/include/c++/13/bits/ranges_base.h:39,
                 from /usr/include/c++/13/bits/ranges_algobase.h:38,
                 from /usr/include/c++/13/bits/ranges_algo.h:38,
                 from /usr/include/c++/13/algorithm:63,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
                 from answer.code:1:
/usr/include/c++/13/numbers:125:27: note: ‘std::numbers::pi’ declared here
  125 |   inline constexpr double pi = pi_v<double>;
      |                           ^~
answer.code:2:117: error: ‘ln2’ was not declared in this scope; did you mean ‘std::numbers::ln2’?
    2 | using namespace std;long double r,b,v;main(){cin>>r>>b;v=r+b;v=r*b>1e14?log(pi*r*b*2/v)/2-r*log(v/r/2)-b*log(v/b/2):ln2*v-lgamma(v+1)+lgamma(r+1)+lgamma(b+1);if(v>20.72)cout<<"Extreme Wealth";else printf("%.9Lf",exp(v));}
      |                                                                                                                     ^~~
      |                                                                                                                     std::numbers::ln2
/usr/include/c++/13/numbers:128:27: note: ‘std::numbers::ln2’ declared here
  128 |   inline constexpr double ln2 = ln2_v<double>;
      |                           ^~~