26 lines
588 B
Python
Executable file
26 lines
588 B
Python
Executable file
#!/usr/bin/env python
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import sys
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def solve(input: str) -> int:
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needed = int(input.strip())
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presents = [0] * (needed // 10) # Surely this should be enough houses
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for i in range(1, len(presents)):
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for j in range(1, 50 + 1):
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if (i * j) >= len(presents):
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continue
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presents[i * j] += 11 * i
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for i, total in enumerate(presents):
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if total >= needed:
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return i
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assert False # Sanity check
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def main() -> None:
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input = sys.stdin.read()
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print(solve(input))
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if __name__ == "__main__":
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main()
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