23 lines
446 B
Python
Executable file
23 lines
446 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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def parse(input: str) -> list[list[int]]:
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return [[int(n) for n in line.split()] for line in input.splitlines()]
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def checksum(row: list[int]) -> int:
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return max(row) - min(row)
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sheet = parse(input)
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return sum(map(checksum, sheet))
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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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