题解 | #计算小球走过的路程和反弹高度#
计算小球走过的路程和反弹高度
http://www.nowcoder.com/practice/ac674f68367149d5ad1f857a379e69c9
#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;
}
