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16 lines
218 B
Python
16 lines
218 B
Python
def problem_p02233(input_data):
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def fib2(n):
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a1, a2 = 1, 0
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while n > 0:
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a1, a2 = a1 + a2, a1
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n -= 1
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return a1
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n = int(eval(input_data))
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return fib2(n)
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