题解 | #计算小球走过的路程和反弹高度#

#include #include using namespace std;

int main()
{

// 下落的高度和落地的次数
double h;
int n;
cin >> h;
cin >> n;
double sum ;
for (int i = 0; i < n; i++)
{  
   
    if (i == 0)
    {
        sum = h;
        h = h * 0.5;
        
        
    }
    else
    {
        sum += h * 2;
        h = h * 0.5;
    }
   
}

 cout << setiosflags(ios::fixed) << setprecision(1) << sum<<" " << h << endl;

return 0;

}