13 lines
317 B
Python
13 lines
317 B
Python
#!/usr/bin/env python3
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lines = (x.strip() for x in open("input.txt"))
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cnt = [0] * 12
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for line in lines:
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cnt = [x+(int(char)*2-1) for x, char in zip(cnt, line)]
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gamma = int(''.join(['1' if x > 0 else '0' for x in cnt]), 2)
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epsilon = int(''.join(['1' if x < 0 else '0' for x in cnt]), 2)
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print(gamma * epsilon) |