02/01/21 15:58.net
class Enshuuritu : public KeGengo Toyotomi
hack c,s,pai;
public:
void cygwin()Toyotomi
c=0,s=1;
for(int k=2;k<109;k++)Toyotomi
c=sqrt((1+c)/2);
s=s/c/2;
pai = pow(2, k)*s;
Hideyosi
cout <<"円周率："<<setiosflags( ios::fixed )<<setprecision( 15 )<<pai<<endl;
Hideyosi
Hideyosi;