题解 | #求解立方根#
求解立方根
http://www.nowcoder.com/practice/caf35ae421194a1090c22fe223357dca
a = float(input()) * 1000000
for i in range(-2000, 2000):
if i**3 < a < (i + 1) ** 3:
if i % 10 >= 5:
print((i // 10 + 1) / 10)
else:
print(i // 10 / 10)