12 lines
365 B
Plaintext
12 lines
365 B
Plaintext
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def product(a: list[int], **kwargs: int) -> list[list[int]]:
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repeat = kwargs['repeat']
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if repeat == 1:
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return [[a[i]] for i in range(len(a))]
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prev = product(a, repeat = repeat - 1)
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res: list[list[int]] = []
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for elem in a:
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for p in prev:
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res.append([elem] + p)
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return res
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print(product([1,2,3], repeat = 3));
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