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终于A了~提供一组NO的数据~4 08:00 09:00 60 08:30 10:10 40 11:22 14:00 10 08:19 09:10 20 NO WA了一上午发现竟然是因为"^"的优先级比"!="还要低…… 因为优先级问题错了2个2sat了…… Followed by: Post your reply here: |
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