18 lines
317 B
Python
18 lines
317 B
Python
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#!/bin/python
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with open("input", "r") as input:
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sum = 0
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answers = set()
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for line in input:
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line = line.strip()
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if line == "":
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sum += len(answers)
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answers = set()
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for char in line:
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answers.add(char)
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sum += len(answers)
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print(sum)
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