13 lines
230 B
Python
13 lines
230 B
Python
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def factorial(n, multi=1):
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if 1 == n:
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return multi
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else:
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return factorial(n - 1, multi * n)
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def is_root(n, exp=2):
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root = int(n ** (1 / exp))
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if root ** exp == n:
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return root
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return 0
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