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#
求小球落地5次后所经历的路程和第5次反弹的高度
http://www.nowcoder.com/practice/2f6f9339d151410583459847ecc98446
#include<bits/stdc++.h>
using namespace std; int main(void) { int high = 0; float h=0,sum=0; cin>>high; h = (float)high; h*=100000; for(int i = 0;i<5;i++) { sum+=h; h/=2; if(i!=4) sum+=h; } sum/=100000; h/=100000; cout<<sum<<endl; cout<<h<<endl; }