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31 lines
835 B
31 lines
835 B
with open("day10.txt", "rt") as f:
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lines = [line.rstrip() for line in f]
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CHARMAP = {"]": "[", ")": "(", "}": "{", ">": "<"}
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SCOREMAP = {")": 3, "]": 57, "}": 1197, ">": 25137}
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SCOREMAP2 = {"(": 1, "[": 2, "{": 3, "<": 4}
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error_score = 0
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comp_scores = []
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for line in lines:
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corrupted = None
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state = []
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for char in line:
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if char in CHARMAP:
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if state and state[-1] == CHARMAP[char]:
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state.pop()
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else:
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corrupted = char
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break
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else:
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state.append(char)
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if corrupted:
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error_score += SCOREMAP[corrupted]
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else:
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cs = 0
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for char in reversed(state):
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cs = cs * 5 + SCOREMAP2[char]
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comp_scores.append(cs)
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print(error_score)
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print(list(sorted(comp_scores))[len(comp_scores) // 2])
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