12 lines
225 B
Python
12 lines
225 B
Python
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#!/usr/bin/env python3
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from useful import *
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ls = lines(open(0))
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def n(l):
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for i, _ in enumerate(l):
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if len(list(set(l[i:i+4]))) == 4:
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return i+4
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ic([n(l) for l in ls])
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print(sum([n(l) for l in ls]))
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