22 lines
497 B
Python
22 lines
497 B
Python
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import sys
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sys.path.append('../aoclib')
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from aoclib import Input
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if __name__ == '__main__':
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#lines = Input('input_test.txt').lines()
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lines = Input('input.txt').lines()
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left = sorted([int(n.split()[0].strip()) for n in lines])
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right = sorted([int(n.split()[1].strip()) for n in lines])
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# part 1
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s = sum([abs(left[i] - right[i]) for i in range(len(left))])
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print('part 1:', s)
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# part 2
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s2 = sum([n * right.count(n) for n in left])
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print('part 2:', s2)
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