摘要:
Language:StarsTime Limit:1000MSMemory Limit:65536KTotal Submissions:24726Accepted:10782Description Astronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level of a star be an amount of the stars that are not higher and n 阅读全文
posted @ 2013-03-08 12:41
Felix_F
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