题解 | #计算小球走过的路程和反弹高度#

#include <iostream>
#include <iomanip>
using namespace std;

int main() {

    // 下落的高度和落地的次数
    double h;
    int n;
   double heigh,heigh1;
    double sum=0;
    cin >> h;
    cin >> n;
     heigh=h;
    // write your code here......
    for(int i=0;i<n;i++)
    {

     if(i==0)
     sum= h;
     else
     sum= 2*heigh+sum;
      heigh=heigh/2;
    }
     cout<<fixed<<setprecision(1)<<sum<<" "<<heigh;
    return 0;
}