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

int main() {
    int start_height;
 
    cin >> start_height;
    float height = start_height;
    float dis = start_height;
    for(int i = 0; i < 5; i++){
        if(i < 4) dis += height;
        height /= 2;
    }
    cout << dis << endl << height << endl;
    return 0;
}