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

int main() {
    int h;
    cin >> h;
    double distance = h;;
    vector<double> height(5);
    height[0] = (double)h / 2.0;
    
    for(int i = 1; i < 5; ++i) {
        distance += 2 * height[i-1];
        height[i] = height[i-1] / 2.0;
    }

    cout << distance << endl;
    cout << height[4] << endl;
    return 0;
}