21 lines
490 B
Python
21 lines
490 B
Python
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#!/usr/bin/env python
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readings = [r.strip() for r in open('3.input').readlines()]
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word_len = len(readings[0])
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ones = [0] * word_len
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gamma = [0] * word_len
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epsilon = [0] * word_len
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for bit in range(word_len):
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for reading in readings:
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ones[bit] += int(reading[bit])
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if ones[bit] > len(readings) / 2:
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gamma[bit] = 1
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else:
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epsilon[bit] = 1
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power = int(''.join([str(b) for b in gamma]), 2) * \
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int(''.join([str(b) for b in epsilon]), 2)
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print(power)
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