22 lines
487 B
Python
Executable file
22 lines
487 B
Python
Executable file
#!/usr/bin/env python3
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import sys
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sum = 0
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for line in sys.stdin:
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_, nums = line.split(":")
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winning, mine = nums.split("|")
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winning = set(winning.split())
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if len(winning) != len(set(winning)):
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raise ValueError("Shenannigans!")
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mine = set(mine.split())
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if len(mine) != len(set(mine)):
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raise ValueError("Shenannigans! {}".format(mine))
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both = winning.intersection(mine)
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c = len(both)
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if c > 0:
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sum += 2 ** (c - 1)
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print(sum)
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