12 lines
217 B
Python
12 lines
217 B
Python
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import sys
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ns = []
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with open("input") as f:
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for n in f:
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n=int(n)
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m = list(filter(lambda x: n + x == 2020, ns))
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if m:
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print(m[0]*n)
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sys.exit(0)
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ns.append(n)
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