26 lines
347 B
Python
Executable File
26 lines
347 B
Python
Executable File
#!/usr/bin/env python
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from copy import copy
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def f(n: int) -> list[list[int]]:
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if n == 0:
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return []
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if n == 1:
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return [[1]]
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res = f(n - 1)
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res.append(copy(res[-1]))
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res[-1].append(n)
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return res
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def main():
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for i in range(5):
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print(f"f({i})={f(i)}")
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if __name__ == "__main__":
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main()
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