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Hack!
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PKU v. THU (Preliminary Round 2)
Time Limit: 3 s
Memory Limit: 1024 MB
# 6682. Are you a bot?
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Statement
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Custom Test
The problem was used in the following contest:
The 1st Universal Cup. Stage 21: Shandong
The 2nd Universal Cup. Stage Ω: Atlantis (
Prime
Contest)
This problem is prepared by
feecle6418
.
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