40 lines
881 B
Python
Executable file
40 lines
881 B
Python
Executable file
#!/usr/bin/env python
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# 2021 - Advent Of Code - 3
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import re
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line_count = 0
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count = [0] * 12
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result = [0] * 12
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re_parse = re.compile(r'(\d)'*12)
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with open('input.txt', encoding="utf-8") as f:
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for line in f:
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m = re_parse.match(line)
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line_count += 1
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for i in range(12):
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if m.group(i+1) == '1':
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count[i] += 1
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for i in range(12):
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if count[i] > line_count / 2:
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result[i] = 1
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else:
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result[i] = 0
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print(count)
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invert_result = [0 if x == 1 else 1 for x in result]
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gamma_bin = "".join([str(x) for x in result])
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gamma = int(gamma_bin, 2)
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epsilon_bin = "".join([str(x) for x in invert_result])
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epsilon = int(epsilon_bin, 2)
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print(f'gamma_bin {gamma_bin}, gamma: {gamma}')
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print(f'epsilon_bin {epsilon_bin}, epsilon: {epsilon}')
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print(f'power consumption: ({gamma}, {epsilon}) => {gamma * epsilon}')
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