17 lines
371 B
Python
17 lines
371 B
Python
from collections import deque
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from itertools import combinations
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lines = (int(x.strip()) for x in open("input.txt"))
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L = 25
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buffer = deque(maxlen=L)
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result = None
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for line in lines:
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if len(buffer) == L:
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found = any(a + b == line for a, b in combinations(buffer, 2))
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if not found:
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result = line
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break
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buffer.append(line)
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