题解 | #求解立方根#
求解立方根
https://www.nowcoder.com/practice/caf35ae421194a1090c22fe223357dca
n = float(input())
a = 0.0
if n>=0:
while a*a*a<=n:
a += 0.01
print(round(a,1))
else:
n = -n
while a*a*a<=n:
a += 0.01
print(round(-a,1))
