15 lines
291 B
Python
15 lines
291 B
Python
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import sys
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L = [l for l in sys.stdin.read().splitlines()]
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R = 0
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for l in L:
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_, halves = l.split(':')
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c1, c2 = halves.split('|')
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s1 = set(map(int,c1.strip().split(' ')))
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s2 = set(map(int,c2.strip().split(' ')))
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n = len(s1&s2)
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if n>0:
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R+= 1 << (n-1)
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print(R)
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