28 lines
575 B
Python
28 lines
575 B
Python
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#!/usr/bin/env python
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import sys
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from math import ceil, floor
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from typing import List
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def solve(input: List[str]) -> int:
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def fuel(dist: int) -> int:
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return dist * (dist + 1) // 2
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nums = list(int(n) for n in input[0].split(","))
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mean = sum(nums) / len(nums)
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upper = sum(fuel(abs(n - ceil(mean))) for n in nums)
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lower = sum(fuel(abs(n - floor(mean))) for n in nums)
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return min(upper, lower)
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def main() -> None:
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input = [line.strip() for line in sys.stdin.readlines()]
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print(solve(input))
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if __name__ == "__main__":
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main()
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