CoCalc -- example02.py

CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

GitHub Repository: jackfrued/Python-100-Days
Path: blob/master/公开课/文档/第06次公开课-算法入门系列2-在水一方/code/example02.py
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def climb(num):
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    a, b, c = 1, 2, 4
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    for _ in range(num - 1):
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        a, b, c = b, c, a + b + c
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    return a
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def main():
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    n = int(input('台阶数量: '))
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    print(climb(n))
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if __name__ == '__main__':
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    main()
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