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摘要: Tom and Jerry are going on a vacation. They are now driving on a one-way road and several cars are in front of them. To be more specific, there are nn 阅读全文
posted @ 2020-07-16 23:37 脂环 阅读(151) 评论(0) 推荐(0) 编辑
摘要: 在一片广袤无垠的原野上,散落着N块磁石。 每个磁石的性质可以用一个五元组(x,y,m,p,r)描述,其中x,y表示其坐标,m是磁石的质量,p是磁力,r是吸引半径。 若磁石A与磁石B的距离不大于磁石A的吸引半径,并且磁石B的质量不大于磁石A的磁力,那么A可以吸引B。 小取酒带着一块自己的磁石L来到了这 阅读全文
posted @ 2020-07-16 01:08 脂环 阅读(182) 评论(0) 推荐(0) 编辑