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 = 0;

for(int i = 0; i < n; i++){
    
    if(i ==0){
        sum = h;
    }
    else{
        sum = sum + 2 * h;
    }
    h = h / 2;
}
cout<<fixed<<setprecision(1)<<sum<<" "<<setprecision(1)<<h<<endl;


return 0;

}