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
https://www.nowcoder.com/practice/2f6f9339d151410583459847ecc98446
n = int(input())
def sums(a):
sum=0
for i in range(a):
h = (n/2)*(1/2)**i
sum +=h*2
return sum+n
print(sums(4))
print(sums(6)-sums(5))
