23 lines
589 B
Python
23 lines
589 B
Python
#!/usr/bin/env python3
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from functools import reduce
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lines = (x.strip() for x in open("input.txt"))
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cnt = []
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OPEN, CLOSE, PENALTY = "([{<", ")]}>", [1, 2, 3, 4]
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for line in lines:
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try:
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stack = []
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for char in line:
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try:
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stack.append(OPEN.index(char))
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except ValueError:
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if CLOSE[stack.pop()] != char:
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raise ValueError("Char not found: " + char)
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cnt.append(reduce(lambda p, c: p*5 + PENALTY[c], stack[::-1], 0))
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except ValueError:
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pass
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cnt.sort()
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print(cnt[len(cnt) // 2])
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