题解 | #求解立方根#
求解立方根
https://www.nowcoder.com/practice/caf35ae421194a1090c22fe223357dca
#硬解
while True:
try:
n = float(input())
dict = {}
for i in range(-200,201):
d = abs((i/10)**3 - n)
dict[i/10] = d
a = min(dict, key=dict.get)
print("%.1f"%a)
except:
break
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