# include<iostream> using namespace std; int main(){ double b=0.0,c=0,a=100.0; for(int i=0;i<11;i++){ a/=2.0; b+=a*2; //cout<<b<<endl; } a=100.0; //cout<<endl; for(int i=0;i<10;i++){ a/=2.0; c=a; //cout<<c<<endl; } printf("%.6lf",b); cout<<" "; printf("%.6lf",c); return 0; }