33 lines
807 B
Python
33 lines
807 B
Python
import itertools
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import sys
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def main():
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series = [int(line.rstrip()) for line in sys.stdin]
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# Part 1
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frame_len = 25
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for i in range(len(series) - frame_len):
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frame = series[i : i + frame_len]
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n = series[i + frame_len]
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for a, b in itertools.combinations(frame, 2):
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if a + b == n:
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break
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else:
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print("Invalid N:", n)
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break
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# Part 2
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for i in range(len(series)): # what is indexerror when you know it breaks
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for j in range(1, len(series)):
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frame = series[i : i + j + 1]
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if (s := sum(frame)) == n:
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print("Answer:", min(frame) + max(frame))
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return
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elif s > n:
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break
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if __name__ == "__main__":
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main()
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