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>
using namespace std;
int main()
{
    int num;
    while(cin>>num)
    {
        //第五次落地：等比数列求和
        double result1 = double(num)*(2+0.5+0.25+0.125);
        cout<< result1<<endl;
        //第五反弹
        double result2 = double(num)/32;
        printf("%.5f\n",result2);

    }
    return 0;    
}