摘要：
http://acm.hdu.edu.cn/showproblem.php?pid=1541StarsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1849 Accepted Submission(s): 714Problem DescriptionAstronomers often examine star maps where stars are represented by points on a plane and ea... 阅读全文
