16 lines
437 B
Python
16 lines
437 B
Python
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from collections import Counter
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with open('input.txt', 'r') as f:
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lines = [tuple(map(int, line.strip().split())) for line in f.readlines()]
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list1 = [line[0] for line in lines]
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list2 = [line[1] for line in lines]
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list1.sort()
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list2.sort()
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differences = [abs(a-b) for a, b in zip(list1, list2)]
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print(f'Part 1: {sum(differences)}')
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counts = Counter(list2)
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scores = [x * counts.get(x, 0) for x in list1]
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print(f'Part 2: {sum(scores)}')
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