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 sum = h;

    cin >> h;
    cin >> n;

    for(int i=0; i<n; i++){
        if(i>0){
            sum += h*2;
        //100 50 25 12.5
        //100 100+50+50 200+25+25 250
        }
        h = h/2;
    }
    cout << fixed << setprecision(1);
    cout << sum << " "<< h;
    // write your code here......
    return 0;
}