36 lines
767 B
Python
Executable File
36 lines
767 B
Python
Executable File
#!/usr/bin/env python3
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# usage: cat inputs/day-2.txt | ./$SCRIPTNAME.py
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import sys
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def spreadsheet_line(line, sep="\t"):
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highest = -sys.maxsize
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lowest = sys.maxsize
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numbers = map(int, line.strip().split(sep))
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try:
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for x in numbers:
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if x < lowest:
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lowest = x
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if x > highest:
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highest = x
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except:
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return
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return highest - lowest
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def checksum(spreadsheet_text, line_sep="\n"):
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total = 0
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lines = spreadsheet_text.split(line_sep)
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for line in lines:
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line_diff = spreadsheet_line(line)
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try:
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total += line_diff
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except:
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pass
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return total
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if __name__ == "__main__":
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print(checksum(sys.stdin.read()).strip())
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