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17 lines
424 B
17 lines
424 B
2 years ago
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with open("input2_pre.txt") as f:
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s = 0
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for line in f.readlines():
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a, b = [int(a) for a in line.strip().split()]
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b = {
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(1, 1): 3,
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(1, 2): 1,
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(1, 3): 2,
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(2, 1): 1,
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(2, 2): 2,
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(2, 3): 3,
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(3, 1): 2,
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(3, 2): 3,
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(3, 3): 1,
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}[(a, b)]
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s += b + ((3, 0, 6)[((a - b) % 3)])
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print(s)
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