21 lines
662 B
Python
Executable file
21 lines
662 B
Python
Executable file
#!/usr/bin/env python3
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from collections import Counter
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def flt(data, most):
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positions = len(data[0])
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for i in range(positions):
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cnt = Counter(list(zip(*data[::-1]))[i]).most_common(2)
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if len(cnt) > 1:
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if cnt[0][1] == cnt[1][1]:
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cond = '1' if most else '0'
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else:
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cond = cnt[0 if most else 1][0]
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data = [x for x in data if x[i] == cond]
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if len(data) == 1:
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break
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return data[0]
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with open("input.txt", "r") as _input:
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data = [l.rstrip() for l in _input.readlines()]
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print("Answer:", int(flt(data, True), 2) * int(flt(data, False), 2))
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