39 lines
693 B
Python
39 lines
693 B
Python
def cuberoot(x):
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sqr = int(x ** 0.5)
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return rootiter(x, sqr)
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def rootiter(x, pre):
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cur = pre - float(pre ** 3 - x) / (3 * pre ** 2)
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if abs(cur - pre) <= 0.001:
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return int(cur)
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else:
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return rootiter(x, cur)
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def breaknum(x):
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out = []
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while x != 0:
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out.append(str(x % 10))
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x /= 10
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return out
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def main():
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dic = {}
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i = 1
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while 1:
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tmplis = breaknum(i ** 3)
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tmplis.sort()
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tmp = ''.join(tmplis)
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if dic.has_key(tmp):
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dic.get(tmp).append(i)
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if len(dic.get(tmp)) == 5:
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return dic.get(tmp)
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else:
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dic.update({tmp:[i]})
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i += 1
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xx = main()
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print xx
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for i in xx:
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print i ** 3
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