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Problem Description Calabash is the servant of a landlord. The landlord owns a piece of land, which can be regarded as an infinite 2D plane.One day th 阅读全文
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Problem Description Considering the overall difficulty of other problems, we invite Quailty to propose an easy problem for this contest.Quailty accide 阅读全文
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Problem Description Roundgod is a famous milk tea lover at Nanjing University second to none. This year, he plans to conduct a milk tea festival. Ther 阅读全文