26 lines
564 B
Python
26 lines
564 B
Python
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#!/usr/bin/env python
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import sys
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def solve(input: list[str]) -> int:
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def parse(input: list[str]) -> tuple[list[int], list[int]]:
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left, right = [], []
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for line in input:
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lhs, rhs = line.split()
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left.append(int(lhs))
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right.append(int(rhs))
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return left, right
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left, right = parse(input)
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return sum(abs(lhs - rhs) for lhs, rhs in zip(sorted(left), sorted(right)))
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def main() -> None:
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input = sys.stdin.read().splitlines()
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print(solve(input))
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if __name__ == "__main__":
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main()
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