23 lines
456 B
Python
23 lines
456 B
Python
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from lib_misc import product
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def get_irrational_fraction(digits_max):
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s = []
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n = 1
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digits = 0
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while digits < digits_max:
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s.append(str(n))
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digits += len(str(n))
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n += 1
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return "".join(s)
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def euler_040():
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f = get_irrational_fraction(1000001)
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return product(map(int, [f[10**i - 1] for i in range(7)]))
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if __name__ == "__main__":
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print("e040.py: " + str(euler_040()))
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assert(euler_040() == 210)
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