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
https://www.nowcoder.com/practice/ac674f68367149d5ad1f857a379e69c9
#include <iostream> #include <iomanip> #include <math.h> 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; }