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26 lines
403 B
Python
26 lines
403 B
Python
def problem_p02880(input_data):
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N = int(eval(input_data))
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# N>81のときはn*nで表せないので不敵
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if N > 81:
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return "No"
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else:
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import numpy as np
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n = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
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amari = N % n
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shou = N // n
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if np.any((amari == 0) * (shou <= 9)):
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return "Yes"
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else:
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return "No"
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