day 1
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3 4
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4 3
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2 5
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1 3
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3 9
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3 3
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) read "data.ivy"
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a
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#input = open("sample1.in")
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input = open("input")
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nums = [[int(x) for x in line.split()] for line in input]
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# part 1
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a = [x[0] for x in nums]
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b = [x[1] for x in nums]
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a.sort()
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b.sort()
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distance = [abs(x-y) for x,y in zip(a,b)]
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print(sum(distance))
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# part 2
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from collections import Counter
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c = Counter(b)
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scores = [x*c[x] for x in a]
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print(sum(scores))
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