19 lines
345 B
Python
19 lines
345 B
Python
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def get_recursive_factorial(n):
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if n < 0:
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return -1
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elif n < 2:
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return 1
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else:
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return n * get_recursive_factorial(n-1)
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def get_iterative_factorial(n):
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if n < 0:
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return -1
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else:
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fact = 1
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for i in range(1, n+1):
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fact *= i
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return fact
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print(get_recursive_factorial(6))
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print(get_iterative_factorial(6))
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