题解 | #求小球落地5次后所经历的路程和第5次反弹的高度#

#include<bits/stdc++.h>

using namespace std;

int main(){
    int n;
    while(cin>>n){
        double d=0;
        double h5=0;
        double h=n;
        for(int i=1;i<=5;++i){
            if(i==1)
                d+=h;
            else
                d+=h*2;
            h=h/2;
        }
        //printf("%.")
        cout<<setprecision(6)<<d<<endl;
        cout<<setprecision(6)<<h<<endl;
        
        
    }
    
    return 0;
}